BCAX · Insider trading · 13F holders · Congress trades
Bicara Therapeutics Inc. (BCAX)
Who is buying and selling BCAX: company insiders on SEC Form 4, hedge funds and superinvestors on Form 13F, and members of Congress under the STOCK Act. Every figure links to the filing or page it comes from.
- 13F filers holding
- 15
- Insider buys, 90 days
- $0
- Insider sales, 90 days
- $1.6M
- Congress trades, 12 months
- 0
BCAX at a glance
- Between Aug 1, 2026 and Oct 29, 2026, 3 BCAX insiders filed 4 sales worth $1.6M on SEC Form 4, and no open-market purchases; 4 of the sales were pre-planned under Rule 10b5-1.
- 15 13F filers hold BCAX among their 50 largest positions, worth $926.5M combined, including Peter Kolchinsky. The biggest bets by portfolio weight are Omega Fund Management, LLC (29.1%), Jones Hill Capital LP (5.6%) and Acorn Capital Advisors, LLC (5.2%). In their latest 13Fs, 0 managers opened a new position and 1 added to one.
- No member of Congress has disclosed a trade in BCAX.
- BCAX last closed at $9.73 on Oct 29, 2026.
BCAX insider trading
Between Aug 1, 2026 and Oct 29, 2026, 3 BCAX insiders filed 4 sales worth $1.6M on SEC Form 4, and no open-market purchases; 4 of the sales were pre-planned under Rule 10b5-1.
| Filed | Insider | Role | Trade | Shares | Price | Value | Form 4 |
|---|---|---|---|---|---|---|---|
| Sep 10, 2026 | Cohlhepp Ryan | President, COO & Interim CEO, Director | Sale10b5-1 | 17,500 | $22.90 | $401K | SEC |
| Aug 12, 2026 | Cohlhepp Ryan | President and COO, Director | Sale10b5-1 | 18,750 | $27.98 | $525K | SEC |
| Aug 12, 2026 | Hyep Ivan | Chief Financial Officer | Sale10b5-1 | 12,500 | $27.97 | $350K | SEC |
| Aug 12, 2026 | Mazumdar Claire | Chief Executive Officer, Director | Sale10b5-1 | 10,000 | $27.98 | $280K | SEC |
Who owns BCAX? Hedge funds and superinvestors
15 13F filers hold BCAX among their 50 largest positions, worth $926.5M combined, including Peter Kolchinsky. The biggest bets by portfolio weight are Omega Fund Management, LLC (29.1%), Jones Hill Capital LP (5.6%) and Acorn Capital Advisors, LLC (5.2%). In their latest 13Fs, 0 managers opened a new position and 1 added to one.
Superinvestors holding BCAX: Peter Kolchinsky 1.9%
| Manager | % of portfolio | Value | Shares | Last quarter | 13F |
|---|---|---|---|---|---|
| Peter KolchinskyHedge fund | 1.9% | $215.4M | 7,255,993 | +0.0% shares | Q2 2026 |
| Siren, L.L.C.Investment manager | 3.4% | $166.4M | 5,602,970 | -3.4% shares | Q2 2026 |
| Vestal Point Capital, LPHedge fund | 3.6% | $155.9M | 5,250,000 | -3.2% shares | Q2 2026 |
| Deep Track Capital, LPHedge fund | 1.8% | $121.7M | 4,100,000 | +0.9% shares | Q2 2026 |
| Tpg Gp A, LLCInvestment manager | 1.8% | $89.4M | 3,010,425 | +0.0% shares | Q2 2026 |
| Omega Fund Management, LLCHedge fund | 29.1% | $54.1M | 1,822,150 | -23.8% shares | Q2 2026 |
| Jones Hill Capital LPHedge fund | 5.6% | $26.5M | 892,621 | -29.2% shares | Q2 2026 |
| Acorn Capital Advisors, LLCHedge fund | 5.2% | $19.1M | 643,381 | -0.0% shares | Q2 2026 |
| Aisling Capital Management LPHedge fund | 3.6% | $16.9M | 568,919 | +0.0% shares | Q2 2026 |
| Palo Alto Investors LPHedge fund | 2.3% | $16.3M | 550,408 | +0.0% shares | Q2 2026 |
| Rock Springs Capital Management LPHedge fund | 0.8% | $15.9M | 535,286 | +9.4% shares | Q2 2026 |
| Nan Fung Trinity (HK) LtdInvestment manager | 1.3% | $12.7M | 427,885 | +0.0% shares | Q2 2026 |
| DAFNA Capital Management LLCHedge fund | 1.6% | $8.5M | 284,955 | -32.4% shares | Q2 2026 |
| Atle Fund Management ABAsset manager | 1.2% | $4.3M | 145,657 | -87.5% shares | Q2 2026 |
| Napean Trading & Investment Co (Singapore) PTE LtdInvestment manager | 1.2% | $3.4M | 113,780 | +0.0% shares | Q2 2026 |
Each manager counts with its latest 13F (Q2 2026: 15). Screen BCAX in the grand portfolio →
BCAX stock trades by members of Congress
No member of Congress has disclosed a trade in BCAX.
BCAX questions and answers
Are insiders buying BCAX stock?
Between Aug 1, 2026 and Oct 29, 2026, 3 BCAX insiders filed 4 sales worth $1.6M on SEC Form 4, and no open-market purchases; 4 of the sales were pre-planned under Rule 10b5-1.
Which hedge funds own BCAX?
15 13F filers hold BCAX among their 50 largest positions, worth $926.5M combined, including Peter Kolchinsky. The biggest bets by portfolio weight are Omega Fund Management, LLC (29.1%), Jones Hill Capital LP (5.6%) and Acorn Capital Advisors, LLC (5.2%). In their latest 13Fs, 0 managers opened a new position and 1 added to one.
Has Congress traded BCAX?
No member of Congress has disclosed a trade in BCAX.
Who is the largest holder of BCAX?
Among 13F filers, Peter Kolchinsky reports the largest BCAX position, $215.4M (7,255,993 shares) in its Q2 2026 13F. The biggest bet by portfolio weight is Omega Fund Management, LLC's: 29.1% of its portfolio.
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