Bicara Therapeutics Inc. (BCAX) Ownership

NASDAQ: BCAXTop holders, insider trades and short interest.

BCAX ownership summary

as of October 18, 2026
Institutions
102.0%
of shares outstanding
Insiders
10.07%
of shares outstanding
Shares outstanding
66.2M
Float
36.9M
shares available to trade
Short interest
22.51%
10.7M shares short
Days to cover
16.85
short interest down 4.5% vs prior month
  • Institutions 101.98%
  • Insiders 10.07%

BCAX top institutional holders

20 largest
Bicara Therapeutics Inc. top institutional holders
#Holder% of sharesSharesValueChangeReported
1RA Capital Management, LLC10.97%7.3M$121.8M—June 30, 2026
2T. Rowe Price Investment Management,Inc.9.58%6.3M$106.4M−267,293 (−4.0%)June 30, 2026
3Siren, L.L.C.8.47%5.6M$94.0M−200,000 (−3.4%)June 30, 2026
4Vestal Point Capital LP7.93%5.2M$88.1M−175,000 (−3.2%)June 30, 2026
5Deep Track Capital, LP6.20%4.1M$68.8M+37,500 (+0.9%)June 30, 2026
6BlackRock Inc5.82%3.8M$64.6M+1.0M (+35.3%)June 30, 2026
7HHG PLC5.05%3.3M$56.0M+692,933 (+26.2%)March 31, 2026
8Jupiter Topco LLC4.79%3.2M$53.2M+3.2M (0.0%)June 30, 2026
9Red Tree Management, LLC4.78%3.2M$53.1M−6,992 (−0.2%)June 30, 2026
10TPG GP A, LLC4.55%3.0M$50.5M—June 30, 2026
11Vanguard Capital Management, LLC3.35%2.2M$37.2M+442,419 (+24.9%)June 30, 2026
12State Street Corp3.10%2.0M$34.4M+629,532 (+44.4%)June 30, 2026
13Franklin Templeton Inc2.95%2.0M$32.8M+330,249 (+20.4%)June 30, 2026
14T. Rowe Price Associates, Inc.2.88%1.9M$32.0M+528,050 (+38.4%)June 30, 2026
15FMR Inc2.86%1.9M$31.8M−207,859 (−9.9%)June 30, 2026
16Omega Fund Management LLC2.75%1.8M$30.6M−570,000 (−23.8%)June 30, 2026
17Geode Capital Management, LLC1.76%1.2M$19.5M+331,729 (+39.9%)June 30, 2026
18JPMorgan Chase & Co1.54%1.0M$17.0M+838,557 (+472.7%)June 30, 2026
19Jones Hill Capital LP1.35%893K$15.0M−367,515 (−29.2%)June 30, 2026
20Aisling Capital Management LP0.86%569K$9.5M—June 30, 2026

Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 10 holders added 8.0M shares and 7 cut 1.8M.

BCAX top mutual fund and ETF holders

20 largest
Bicara Therapeutics Inc. top fund holders
#Holder% of sharesSharesValueChangeReported
1Vanguard MStar Total Stk Mkt Idx Invest2.53%1.7M$28.1M—August 31, 2026
2T. Rowe Price Small-Cap Stock2.42%1.6M$26.9M−289,976 (−15.3%)August 31, 2026
3iShares Russell 2000 ETF1.73%1.1M$19.2M−13,184 (−1.1%)September 30, 2026
4State Street® SPDR® S&P® Biotech ETF1.66%1.1M$18.4M−20,950 (−1.9%)September 30, 2026
5Fidelity Select Biotechnology1.36%902K$15.1M−42,900 (−4.5%)August 31, 2026
6T. Rowe Price Instl Small-Cap Stock1.34%884K$14.8M−144,808 (−14.1%)August 31, 2026
7Franklin Biotechnology Discv A(acc)USD1.33%878K$14.7M—August 31, 2026
8Janus Henderson Hrzn Biotec E2 USD1.08%716K$12.0M−8,213 (−1.1%)June 30, 2026
9Franklin Small Cap Growth Adv0.94%624K$10.5M—August 31, 2026
10T. Rowe Price Integrated US Sm Gr Eq0.93%612K$10.3M—August 31, 2026
11JPM Global Healthcare C acc USD0.85%562K$9.4M−8,049 (−1.4%)August 31, 2026
12T. Rowe Price Health Sciences0.76%500K$8.4M−90,700 (−15.3%)August 31, 2026
13Fidelity Small Cap Index0.73%484K$8.1M+4,496 (+0.9%)July 31, 2026
14Franklin Biotechnology Discovery A0.72%475K$8.0M—August 31, 2026
15iShares Russell 2000 Growth ETF0.54%359K$6.0M−455 (−0.1%)September 30, 2026
16iShares Biotechnology ETF0.51%338K$5.7M−2,568 (−0.8%)September 30, 2026
17JPMorgan Small Cap Growth A0.39%257K$4.3M−7,584 (−2.9%)August 31, 2026
18Vanguard Russell 2000 ETF0.38%254K$4.3M+5,827 (+2.3%)August 31, 2026
19Belfius Equities Cure C Cap0.36%239K$4.0M—March 31, 2026
20SEB Läkemedelsfond A (SEK)0.35%232K$3.9M—August 31, 2026

Funds report holdings monthly or quarterly; dates differ by fund.

BCAX insider transactions

latest 20
Bicara Therapeutics Inc. insider transactions
DateNameTransactionPriceSharesValue
2026-04-21Ivan HyepSell$23.009,200$211,600
2026-04-20Claire MazumdarSell$23.6115,000$354,150
2026-04-15Ryan CohlheppSell$23.0112,500$287,625
2026-03-23Ivan HyepSell$18.529,200$170,384
2026-03-20Claire MazumdarSell$18.951,596$30,244
2026-03-19Claire MazumdarSell$18.786,905$129,676
2026-03-18Claire MazumdarSell$18.846,499$122,441
2026-03-16Ryan CohlheppSell$19.6612,500$245,750
2026-03-09Claire MazumdarSell$19.1736,766$704,804
2026-03-06Claire MazumdarSell$18.753,817$71,569
2026-03-05Claire MazumdarSell$18.741,786$33,470
2026-03-04Claire MazumdarSell$18.732,631$49,279
2026-03-04David RabenSell$18.5216,300$301,876
2026-03-04Ivan HyepSell$18.252,963$54,075
2026-03-03David RabenSell$18.45200$3,690
2026-03-03Ivan HyepSell$18.2213,555$246,972
2026-03-03Ryan CohlheppSell$18.1617,392$315,839
2026-01-22Ryan CohlheppSell$18.103,828$69,287
2026-01-22Ivan HyepSell$18.151,882$34,158
2026-01-15Ryan CohlheppSell$18.02149$2,685

Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.

BCAX shares outstanding

Shares outstanding

Year-end shares outstanding, adjusted for splits.

Who owns BCAX

Institutional investors own 102.0% of Bicara Therapeutics's shares and insiders 10.07%. The largest holder is RA Capital Management, LLC with 10.97% of the shares (7.3M), as of June 30, 2026. Among the top 20 institutions, 10 added shares and 7 reduced their stake in the latest filings. Short interest is 22.51% of the float, or 16.85 days of average trading volume. The share count rose 3.9% since 2023.

Related: BCAX analyst forecast, BCAX key metrics. See the BCAX stock overview for the latest quote and news.

BCAX ownership FAQ

Who owns the most Bicara Therapeutics stock?

The largest shareholders of Bicara Therapeutics are RA Capital Management, LLC (10.97%), T. Rowe Price Investment Management,Inc. (9.58%), Siren, L.L.C. (8.47%), Vestal Point Capital LP (7.93%), Deep Track Capital, LP (6.20%).

What percentage of Bicara Therapeutics is owned by institutions?

Institutions hold 102.0% of Bicara Therapeutics's shares outstanding; insiders hold 10.07%.

Which funds own Bicara Therapeutics?

The largest fund holders of Bicara Therapeutics are Vanguard MStar Total Stk Mkt Idx Invest (2.53%), T. Rowe Price Small-Cap Stock (2.42%), iShares Russell 2000 ETF (1.73%), State Street® SPDR® S&P® Biotech ETF (1.66%), Fidelity Select Biotechnology (1.36%).

What is Bicara Therapeutics's short interest?

10.7M shares of Bicara Therapeutics were sold short, 22.51% of the float; at the average daily volume it would take 16.85 days to cover.

Are insiders buying or selling Bicara Therapeutics?

Of the latest 20 reported insider transactions in Bicara Therapeutics (since January 15, 2026), 0 were purchases and 20 were sales.

How many shares of Bicara Therapeutics are outstanding?

Bicara Therapeutics has 66.2M shares outstanding, of which 36.9M are in the public float.

Biotechnology: ownership