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Martin Mignot

Partner, Index Ventures · 2 appearances on the record.

computed by AI from the episodes · how this works → · full disclaimer →

investorfounder@martinmignot ↗indexventures.com/team/martin-mignot ↗

Martin Mignot is a Partner at Index Ventures, focusing on early-stage investments across financial services, artificial intelligence, and software. He joined the firm in 2010 and has led investments in companies including Revolut, Deliveroo, Algolia, and Personio.

67statements → 17claims → 6claims resolved → 100%fully supported → 3.87/5average certainty → 2.27/5average debate potential → 4.2/5argument clarity · the sources → 21said about them ↓

6 supported 0 partly supported 0 contradicted 1 not yet assessed 10 not checkable as stated how the 17 claims stand · each chip opens the sources

5 predictions · 12 assertions · 13 opinions · 19 insights · 16 disclosures · 2 what ifs · every statement was checked. The predictions and assertions are the 17 claims: statements the public record can support or contradict. 6 are resolved, 1 is not yet assessed, and 10 name no date, number or outcome precise enough to check. Everything else (opinions, insights, what ifs, disclosures) can never be settled by the record, so it carries no assessment.

The record, in short

What the tape says about how Martin argues and how the claims held up. Everything they said, and everything said about them, is in the tabs below.

Their most notable supported claim

Assertion Supported
Mignot: Index Ventures never passes on early-stage deals over price
“We never lose a deal or pass on a deal because of price in the early stage.”
Martin Mignot Aug 11, 2025 ▶ 0:15 Index Ventures Partner, Martin Mignot: Figma, Scale, Wiz: Inside Index’s Decacorn Factory · 20VC with Harry Stebbings

Expressed certainty vs assessment result

none yet certainty 1
none yet certainty 2
100% certainty 3
100% certainty 4
100% certainty 5

weighted support: a fully supported claim counts one, a partly supported claim counts half. Each filled bar is clickable and opens exactly those claims; "none yet" means nothing said at that certainty level has resolved yet

Argument clarity: do they answer the question? how? →

4.2 / 5 directness 4.6 · coherence 4.5 · precision 3.9 · compression 3.5

redirected or did not address 3 of 53 assessed questions (6%). Watch them ▸

This is a score against a rubric. It is not a rank. Every host question → answer exchange is scored with names hidden on directness, coherence, precision and compression, 1–5 each, on meaning alone: disfluencies are ignored, and only raw unedited episodes count. This is the score that measures thought. Every scored exchange, scores shown → · The rubric and its checks →

How they sound: speaking style how? →

271 words/min while actually speaking · 23.2 um and uh per 1k words · 34.4 false starts per 1k · 31.4% of pauses land inside a clause

English is their second language (first language: French). These numbers measure fluency in English. They do not measure thought; the argument clarity score above is read from substance alone.

Measured by listening to the audio itself: 17,278 words across 2 episodes of raw-level tape, transcribed verbatim with every um and uh kept, each one attributed only where the alignment onto our timed stream is unambiguous. These are measurements of speaking style. We do not rank them: across this corpus, fluency and argument quality are nearly uncorrelated (ρ≈0.2), and smooth talking does not signal clear thinking. How it's measured →

How the interview went all their pushback → series average →

Across 2 rated episodes:

host pushback ▾ 4.5/10
pushed back at the host ▾ 2.5/10
setup questions received 43%

Everything Martin Mignot said on 20VC that made the record, most notable first. Filter by type, assessment or year in the ledger →

Opinion
Mignot: Mega VC funds benefit managers financially but not entrepreneurs
“I think this push towards larger asset gathering is very good for VCs who do it. You know, it can make a lot of sense financially. It can make a lot of sense for them. I'm not sure it makes so much sense for the entrepreneurs themselves.”
Martin Mignot Aug 11, 2025 ▶ 3:17 Index Ventures Partner, Martin Mignot: Figma, Scale, Wiz: Inside Index’s Decacorn Factory · 20VC with Harry Stebbings
Opinion
Mignot: Social media algorithms must be public and auditable
“I think it should be loud, but there should be a bigger conversation about social networks and about the openness of algorithms, which don't only apply to TikTok, but, you know, applies to X, applies to Facebook. I think those algorithms should be should be pu…”
Martin Mignot Aug 11, 2025 ▶ 38:53 Index Ventures Partner, Martin Mignot: Figma, Scale, Wiz: Inside Index’s Decacorn Factory · 20VC with Harry Stebbings
Insight
Mignot: Building venture-backed hyper-growth startups requires seven-day workweeks
“If you look at the most incredible companies in the past, you know, you look at Revolut, you look at Deliveroo, all of these companies, the amount of work that these founders and these early teams put in was tremendous. I mean, it was seven days a week, you kn…”
Martin Mignot Aug 11, 2025 ▶ 43:23 Index Ventures Partner, Martin Mignot: Figma, Scale, Wiz: Inside Index’s Decacorn Factory · 20VC with Harry Stebbings
Assertion Supported
Mignot: Index Ventures never passes on early-stage deals over price
“We never lose a deal or pass on a deal because of price in the early stage.”
Martin Mignot Aug 11, 2025 ▶ 0:15 Index Ventures Partner, Martin Mignot: Figma, Scale, Wiz: Inside Index’s Decacorn Factory · 20VC with Harry Stebbings
Opinion
Mignot: Mega funds distract VCs and hinder early-stage investing
“On the early stage you know, either seed or early venture or early growth, I don't think you need, you know, those mega assets, and I think they distract you, and they tend to pull you towards the later stage, and, you know, if you have so much capital to depl…”
Martin Mignot Aug 11, 2025 ▶ 5:03 Index Ventures Partner, Martin Mignot: Figma, Scale, Wiz: Inside Index’s Decacorn Factory · 20VC with Harry Stebbings
Assertion Not checkable as stated
Mignot: Midas List presence is the top predictor of VC returns
“I was chatting with you know, with Iliad, Quantumlight, and he, about it the other day, and they said the number one factor that they noticed was a good predictor of future returns was whether a partner was on the Midas list, a partner, an early stage investor…”
Martin Mignot Aug 11, 2025 ▶ 8:23 Index Ventures Partner, Martin Mignot: Figma, Scale, Wiz: Inside Index’s Decacorn Factory · 20VC with Harry Stebbings
Prediction Not checkable as stated
Mignot: LLM investments will yield lower venture multiples but huge absolute returns
“The pure venture multiple will likely be lower than some of the other categories in the past. I think that is clear. The difference is that the size of the outcome and the speed of Very importantly, the speed at which the size is gonna get reached means that y…”
Martin Mignot Aug 11, 2025 ▶ 35:55 Index Ventures Partner, Martin Mignot: Figma, Scale, Wiz: Inside Index’s Decacorn Factory · 20VC with Harry Stebbings
Prediction Open · timeframe Aug 2030
Mignot: European LLM market will definitely be smaller than OpenAI
“I think there is a market. You know, is it gonna be smaller than OpenAI? Yes. For sure.”
Martin Mignot Aug 11, 2025 ▶ 37:55 Index Ventures Partner, Martin Mignot: Figma, Scale, Wiz: Inside Index’s Decacorn Factory · 20VC with Harry Stebbings
Insight
Mignot: Systematic post-IPO selling beats market timing across VC portfolios
“If we looked at, if we had taken different schedules, we would have been worse off, and so we felt that overall, if you look across a basket, a portfolio, and again, it's a portfolio approach, so you may be wrong on one or two, but if you take a portfolio appr…”
Martin Mignot Aug 11, 2025 ▶ 46:50 Index Ventures Partner, Martin Mignot: Figma, Scale, Wiz: Inside Index’s Decacorn Factory · 20VC with Harry Stebbings
Opinion
Mignot: Revolut is better than any US neobank
“They're, you know, they can be as big, if not bigger than anyone in the world, and I think Revolut is probably, you know, one of, if not the best neobank in, in the market in, in many ways. It's, I think, better than anything, you know, in the U.S., for exampl…”
Martin Mignot Aug 11, 2025 ▶ 1:01:07 Index Ventures Partner, Martin Mignot: Figma, Scale, Wiz: Inside Index’s Decacorn Factory · 20VC with Harry Stebbings
What-if
Mignot: Auto-investing in every pitch would have yielded better returns
“We ran the same analysis, where if you had said yes to every single company that had come to present at the partnership, we'd have done a lot better than we have. Simply because it goes back to the power law.”
Martin Mignot Aug 11, 2025 ▶ 1:10:00 Index Ventures Partner, Martin Mignot: Figma, Scale, Wiz: Inside Index’s Decacorn Factory · 20VC with Harry Stebbings
Insight
Mignot: Early-stage VCs should never pass on startups due to high valuation
“We've seen millions of times, every time we've tried, we've walked out of something saying, oh, it's too expensive. It's great, but it's too expensive. I think you should never say that if you do early stage investing, because that, that's where, when you make…”
Martin Mignot Feb 1, 2016 ▶ 16:29 Index's Martin Mignot on Sourcing Rocketship Companies, Evaluating Founders and His Attitude Towards Risk At The Early Stage
Insight
Mignot: Early-stage investors should ignore poor gross margins
“Beware of gross margin in the early days. That's a mistake we made a couple of times. You know, you have a lot of businesses that in the early days have really bad gross margin. All the LLM providers were very clear examples of that. I think if that's the only…”
Martin Mignot Aug 11, 2025 ▶ 0:00 Index Ventures Partner, Martin Mignot: Figma, Scale, Wiz: Inside Index’s Decacorn Factory · 20VC with Harry Stebbings
Assertion Supported
Mignot: Index Ventures returned $30B and holds $20B+ across 30 years
“So we've been around for 30 years. We invested 11 and a half billion dollars. We've returned close to 30, and we still have 20 plus in holdings. Most of that is concentrated in eight, nine companies. We invested in probably 300, close to 400 companies over the…”
Martin Mignot Aug 11, 2025 ▶ 0:18 Index Ventures Partner, Martin Mignot: Figma, Scale, Wiz: Inside Index’s Decacorn Factory · 20VC with Harry Stebbings
Opinion
Mignot rejects narrative that VC is splitting only into mega-funds and boutiques
“I know there is a meme which is the industry is gonna, is diverging into two camps. You either have the mega funds, the asset gatherers, or you have the tiny boutique shops. And I don't truly believe in that. I think there is a third way”
Martin Mignot Aug 11, 2025 ▶ 2:35 Index Ventures Partner, Martin Mignot: Figma, Scale, Wiz: Inside Index’s Decacorn Factory · 20VC with Harry Stebbings
Opinion
Mignot: Forbes Midas list measures performance from 10 years ago
“My view on the Midas list is, it's a really good list for who was a great investor 10 years ago, and so that, that's kind of how I would describe it, because if you look at a lot of these companies, there were deals that were made, you know, 10 years ago and s…”
Martin Mignot Aug 11, 2025 ▶ 8:59 Index Ventures Partner, Martin Mignot: Figma, Scale, Wiz: Inside Index’s Decacorn Factory · 20VC with Harry Stebbings
Insight
Martin Mignot: Top founders leverage VCs for targeted help, not one-stop support
“The best founders I've seen are very good at reaching out to investors and people around them on very specific topics when these people, it's leveraging the right people at the right time, being very specific about that versus going to, you know, I think that'…”
Martin Mignot Aug 11, 2025 ▶ 9:53 Index Ventures Partner, Martin Mignot: Figma, Scale, Wiz: Inside Index’s Decacorn Factory · 20VC with Harry Stebbings
Insight
Mignot: Revolut's core insight was offering costless high-volume FX for free
“FX, For a large corridor where you have a lot of volume of transfer costs nothing. So it should be given, you know, given for free, you know, to the market. And then once you have that, that's a really good hook, and then you can build something else.”
Martin Mignot Aug 11, 2025 ▶ 11:43 Index Ventures Partner, Martin Mignot: Figma, Scale, Wiz: Inside Index’s Decacorn Factory · 20VC with Harry Stebbings
Prediction Held up
Mignot: Lime and Dott will ultimately succeed in micromobility
“I still think that some companies will do well, actually, in that space. I think Lime is, is doing well. I think Dot is doing pretty well. I think they will be okay at the end, but it's clearly, you know, it's been a really, really difficult space.”
Martin Mignot Aug 11, 2025 ▶ 15:53 Index Ventures Partner, Martin Mignot: Figma, Scale, Wiz: Inside Index’s Decacorn Factory · 20VC with Harry Stebbings
Disclosure
Martin Mignot: Early Revolut success created bias against other fintech deals
“I was lucky enough to be early in Revolut, and, Then I looked at a lot of other fintech investments were like, well, Revolute can do this, so Revolute does it better”
Martin Mignot Aug 11, 2025 ▶ 16:51 Index Ventures Partner, Martin Mignot: Figma, Scale, Wiz: Inside Index’s Decacorn Factory · 20VC with Harry Stebbings
What-if
Martin Mignot: Index Ventures missed out on Qonto due to Revolut bias
“We could have invested in any, you know, in a lot of other neobanks you know, you think, I mean, Qonto would be a really good example of that. A lot of, you know, remittance and certain corridors, and so there's a lot of players.”
Martin Mignot Aug 11, 2025 ▶ 17:16 Index Ventures Partner, Martin Mignot: Figma, Scale, Wiz: Inside Index’s Decacorn Factory · 20VC with Harry Stebbings
Disclosure
Mignot: Index passed on Spotify multiple times due to music industry bias
“The example we always use at Index is, is Spotify. And to your point, it wasn't because of a bad investment, it was because of a mediocre investment, which is different. You know, we had just invested in Last.fm, which was a, you know, a totally reasonable out…”
Martin Mignot Aug 11, 2025 ▶ 18:06 Index Ventures Partner, Martin Mignot: Figma, Scale, Wiz: Inside Index’s Decacorn Factory · 20VC with Harry Stebbings
Assertion Not checkable as stated
Mignot: Index Ventures bans 5 and 6 votes in deal approvals
“We vote one to 10. You can't vote five and six, so you have to be, you know, four against, and then it's kind of a, so it's a qualified majority, essentially, so if the average is above six, you know, the deal is approved”
Martin Mignot Aug 11, 2025 ▶ 22:24 Index Ventures Partner, Martin Mignot: Figma, Scale, Wiz: Inside Index’s Decacorn Factory · 20VC with Harry Stebbings
Disclosure
Mignot: Revolut operated as a negative gross margin business in early stages
“Especially in the early stages, it was kind of, You know, negative gross margin business. I mean, they were basically giving away effects that weren't charging for anything else. You had a little bit of interchange, but not that much.”
Martin Mignot Aug 11, 2025 ▶ 23:58 Index Ventures Partner, Martin Mignot: Figma, Scale, Wiz: Inside Index’s Decacorn Factory · 20VC with Harry Stebbings

Show 24statements(43 left)

The other half of the tape: Martin Mignot's own voice is left out of every number here. Other people bring the name up 21 times in 9 episodes on 20VC. every mention, with the transcript →

Who brings them up most Harry Stebbings 13Shardul Shah 4Danny Rimer 2Nik Storonsky 1Eleonore Crespo 1

Every mention by year

tap a year for its mentions
004283201720182019202020212022202320242025episodesmentions
023201720182019202020212022202320242025episodes it came up in
002.51.553201720182019202020212022202320242025episodesmentions per episode
2025 2 mentions in 2 episodes 1 per episode
2024 7 mentions in 3 episodes 2 per episode
2020 4 mentions in 1 episode
2019 1 mention in 1 episode
2018 5 mentions in 1 episode
2017 2 mentions in 1 episode

Appearances (2)

EpisodeDateSpeaking time
Index Ventures Partner, Martin Mignot: Figma, Scale, Wiz: Inside Index’s Decacorn Factory Aug 11, 2025 58m
Index's Martin Mignot on Sourcing Rocketship Companies, Evaluating Founders and His Attitu Feb 1, 2016 19m
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