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guy siri

T3 · host / generalist

Music industry veteran turned venture capitalist; early investor in OpenAI, Anthropic, and Hugging Face with near $1B deployed across the two foundational model labs. Applies talent-spotting intuition from A&R to founder selection.

7 calls·6 names·86% bull·last heard 14 days ago·TBPN
track record

no scored calls yet — needs a stated position or a categorical verdict, with a matured window vs SPY

top calls

highest conviction · one per company
1sthigh conviction
$SOUND-VENTURESSound Venturesposition

Sound Ventures (Guy Siri) built $1B+ position in OpenAI and Anthropic across primary and secondary rounds

Early conviction in foundational model labs compounded through aggressive follow-on participation; the fund now faces a higher bar for new investments given the benchmark set by those outcomes.

TBPN2026-09episode →
2ndhigh conviction
$MAVERICKMaverickposition

Guy Siri's Maverick fund partnered with Sound Ventures on foundational AI bets including OpenAI, Anthropic, Hugging Face

Maverick and Sound Ventures operated as a combined vehicle for early AI infrastructure bets, achieving outsized returns that now raise the hurdle rate for subsequent investments.

TBPN2026-09episode →
3rdhigh conviction
$ANTHROPICAnthropicposition

Sound Ventures' Guy Siri deployed near $1B into OpenAI and Anthropic across multiple rounds

Siri's fund was an early conviction investor in both foundational model labs, continuing to double down through later rounds, and now views the current landscape as far more crowded and harder to decipher than the 2021-2023 window.

TBPN2026-09episode →

most discussed · click a bar to filter

  • $HUGGING-FACE
  • $SOUND-VENTURES
  • $MAVERICK
  • $ANTHROPIC
  • $BETAWORKS

recurring themes

  • Venture Capital5
7 total
$HUGGING-FACE
Hugging Face
MEDguy siri·TBPN·14 days ago·Fruitfly Hard Takeoff, Parker's Vineyard, Personal Agents· position
Sound Ventures backed Hugging Face in later rounds after Betaworks seeded it
Guy Siri confirms Sound Ventures invested in Hugging Face, noting Betaworks' John came in at seed and did very well, while Sound Ventures participated in later rounds.
"you know, we came in, we did well, but he came in where, you know, at seed, so he did really well."
62:54
$SOUND-VENTURES
Sound Ventures
HIGHguy siri·TBPN·14 days ago·Fruitfly Hard Takeoff, Parker's Vineyard, Personal Agents· position
Sound Ventures (Guy Siri) built $1B+ position in OpenAI and Anthropic across primary and secondary rounds
Early conviction in foundational model labs compounded through aggressive follow-on participation; the fund now faces a higher bar for new investments given the benchmark set by those outcomes.
"we put a lot of money into anthropic on the way up. We put a lot of money into OpenAI on the way up. And um I think we have close to a billion dollars worth of of of money uh inve…"
61:18
$MAVERICK
Maverick
HIGHguy siri·TBPN·14 days ago·Fruitfly Hard Takeoff, Parker's Vineyard, Personal Agents· position
Guy Siri's Maverick fund partnered with Sound Ventures on foundational AI bets including OpenAI, Anthropic, Hugging Face
Maverick and Sound Ventures operated as a combined vehicle for early AI infrastructure bets, achieving outsized returns that now raise the hurdle rate for subsequent investments.
"My name is Guy Siri um from Maverick and also Sound Ventures. Yeah, welcome. And I'm Alex. Yeah. Now with sound, also running sources still. Very excited. Yeah, it's been a big we…"
55:47
$HUGGING-FACE
Hugging Face
MEDguy siri·TBPN·14 days ago·Fruitfly Hard Takeoff, Parker's Vineyard, Personal Agents· position
Guy Siri and Betaworks' John both backed Hugging Face; Siri calls it a foundational platform bet
Hugging Face was identified early as a long-standing foundational platform in the AI stack, with Betaworks entering at seed and Sound Ventures participating in later rounds.
"and hugging face. Wow. And hugging face. I didn't know that. Nice. Um and so I in some ways like you probably the last few years have been just sitting back in a just basically ju…"
58:16
$ANTHROPIC
Anthropic
HIGHguy siri·TBPN·14 days ago·Fruitfly Hard Takeoff, Parker's Vineyard, Personal Agents· position
Sound Ventures' Guy Siri deployed near $1B into OpenAI and Anthropic across multiple rounds
Siri's fund was an early conviction investor in both foundational model labs, continuing to double down through later rounds, and now views the current landscape as far more crowded and harder to decipher than the 2021-2023 window.
"we put a lot of money into anthropic on the way up. We put a lot of money into OpenAI on the way up. And um I think we have close to a billion dollars worth of of of money uh inve…"
61:18
$BETAWORKS
Betaworks
MEDguy siri·TBPN·14 days ago·Fruitfly Hard Takeoff, Parker's Vineyard, Personal Agents
Betaworks' John seeded Hugging Face; Sound Ventures entered later but both profited
Entry price matters hugely in venture: Betaworks' seed position in Hugging Face outperformed Sound Ventures' later entry, illustrating the power of early conviction in platform plays.
"I've saw a lot of people, you know, uh John from, you know, Beta Works did really well on Hugging Face. you know, we came in, we did well, but he came in where, you know, at seed,…"
63:02
$OPENAI
OpenAI
HIGHguy siri·TBPN·14 days ago·Fruitfly Hard Takeoff, Parker's Vineyard, Personal Agents· position
Sound Ventures' Guy Siri deployed near $1B into OpenAI and Anthropic across multiple rounds
Siri's fund was an early conviction investor in both foundational model labs, continuing to double down through later rounds, and now views the current landscape as far more crowded and harder to decipher than the 2021-2023 window.
"we put a lot of money into anthropic on the way up. We put a lot of money into OpenAI on the way up. And um I think we have close to a billion dollars worth of of of money uh inve…"
61:18
7
Venture Capitalmixed
Music-industry pattern recognition translates to early-stage AI investing
Guy Siri applies A&R intuition — acting fast on 'chorus' moments, ignoring herd noise with 'blinders,' and trusting gut over consensus — to identify generational AI platforms, acknowledging the bar rises after $1B outcomes in Anthropic/OpenAI.
7
Venture Capitalmixed
Sound Ventures applies music-industry pattern recognition to AI investing
Guy Siri and Alex describe venture as identical to A&R: maniacal focus on niche, blinders against herd noise, gut-driven conviction honed by pattern matching across cycles, and willingness to lead unpopular rounds (Anthropic SPVs were 'tough to fill') — a process they argue transcends market timing.
7
Venture Capitalmixed
Sound Ventures' Guy Siri: post-OpenAI/Anthropic, picking 10-year winners is 'a lot more confusing' but excitement unchanged
Early conviction in foundational labs (near $1B deployed) created a high watermark; today's crowded landscape requires more work and pattern recognition to distinguish signal from noise, but the core instinct — back visionary founders early — remains the same.
7
Venture Capitalmixed
Sound Ventures applies music-industry A&R intuition to AI investing: pattern recognition, gut instinct, and blinders to noise
Guy Siri translates music talent-spotting — identifying the 'chorus' in a founder's pitch, acting fast before competitors overpay, trusting gut over consensus — to venture, citing early OpenAI/Anthropic/Hugging Face bets that others passed on.
7
Venture Capitaltailwind
Guy Siri applies music A&R intuition to VC: blinders, pattern recognition, and early conviction
Guy Siri translates music talent scouting (signing Alanis Morissette, Muse on first song) to venture: maniacal focus on founder 'chorus', ignoring market noise via 'horse blinders' (David Geffen advice), and trusting gut over consensus — resulting in early OpenAI/Anthropic/Hugging Face positions now worth ~$1B combined.