Biomea Fusion, Inc. (BMEA) Ownership
BMEA ownership summary
as of October 18, 2026- Institutions
- 40.0% of shares outstanding
- Insiders
- 7.15% of shares outstanding
- Shares outstanding
- 72.5M
- Float
- 67.7M shares available to trade
- Short interest
- 23.68% 14.1M shares short
- Days to cover
- 6.26 short interest up 6.5% vs prior month
- Institutions 40.02%
- Insiders 7.15%
- Other investors 52.83%
BMEA top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | FMR Inc | 12.16% | 8.8M | $7.7M | +1,587 (+0.0%) | June 30, 2026 |
| 2 | Vanguard Capital Management, LLC | 3.90% | 2.8M | $2.5M | +232,627 (+9.0%) | June 30, 2026 |
| 3 | Marshall Wace Asset Management Ltd | 2.83% | 2.0M | $1.8M | +851,251 (+71.0%) | June 30, 2026 |
| 4 | Aisling Capital Management LP | 2.83% | 2.0M | $1.8M | — | June 30, 2026 |
| 5 | Renaissance Technologies Corp | 2.01% | 1.5M | $1.3M | +142,676 (+10.9%) | June 30, 2026 |
| 6 | Fideuram - Intesa Sanpaolo Private Banking Spa | 1.00% | 723K | $628,368 | +166,140 (+29.8%) | June 30, 2026 |
| 7 | BlackRock Inc | 0.99% | 715K | $621,650 | +74,010 (+11.5%) | June 30, 2026 |
| 8 | Geode Capital Management, LLC | 0.98% | 709K | $615,923 | +160,668 (+29.3%) | June 30, 2026 |
| 9 | Susquehanna International Group, LLP | 0.85% | 613K | $532,405 | −17,130 (−2.7%) | June 30, 2026 |
| 10 | Mariner Wealth Advisors LLC | 0.82% | 595K | $516,757 | −59,852 (−9.1%) | June 30, 2026 |
| 11 | Jane Street Group LLC | 0.63% | 458K | $398,207 | +182,634 (+66.3%) | June 30, 2026 |
| 12 | UBS Group AG | 0.61% | 445K | $386,424 | −70,827 (−13.7%) | June 30, 2026 |
| 13 | XTX Topco Ltd | 0.56% | 407K | $353,537 | −123,663 (−23.3%) | June 30, 2026 |
| 14 | Two Sigma Investments LLC | 0.53% | 384K | $334,056 | −4,237 (−1.1%) | June 30, 2026 |
| 15 | Morgan Stanley - Brokerage Accounts | 0.51% | 367K | $318,905 | +20,279 (+5.8%) | June 30, 2026 |
| 16 | Vanguard Fiduciary Trust Co | 0.47% | 338K | $293,988 | +2,230 (+0.7%) | June 30, 2026 |
| 17 | Mccormack Advisors International | 0.40% | 289K | $251,199 | +200,000 (+224.5%) | June 30, 2026 |
| 18 | State Street Corp | 0.35% | 257K | $223,581 | +49,300 (+23.7%) | June 30, 2026 |
| 19 | SUPERSTRING CAPITAL MANAGEMENT LP | 0.34% | 250K | $217,225 | — | June 30, 2026 |
| 20 | GSA Capital Partners LLP | 0.30% | 216K | $187,700 | +186,503 (+631.8%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 13 holders added 2.3M shares and 5 cut 276K.
BMEA top mutual fund and ETF holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Fidelity Growth Company Fund | 3.74% | 2.7M | $2.4M | — | August 31, 2026 |
| 2 | Vanguard MStar Total Stk Mkt Idx Invest | 2.93% | 2.1M | $1.8M | — | August 31, 2026 |
| 3 | Fidelity Growth Company K6 | 1.26% | 910K | $791,129 | — | August 31, 2026 |
| 4 | Fidelity Series Growth Company | 1.11% | 805K | $699,206 | — | August 31, 2026 |
| 5 | Fidelity Select Biotechnology | 0.62% | 453K | $393,319 | — | August 31, 2026 |
| 6 | Fidelity Extended Market Index | 0.42% | 307K | $267,052 | +12,658 (+4.3%) | August 31, 2026 |
| 7 | iShares Micro-Cap ETF | 0.30% | 220K | $191,484 | −1,520 (−0.7%) | September 30, 2026 |
| 8 | Fidelity Total Market Index | 0.15% | 109K | $94,753 | — | August 31, 2026 |
| 9 | EA Bridgeway Ultra-Small Company Mkt ETF | 0.12% | 84K | $72,553 | — | September 30, 2026 |
| 10 | Fidelity Series Total Market Index | 0.11% | 82K | $71,609 | — | August 31, 2026 |
| 11 | Goldman Sachs Absolute Ret Trckr Instl | 0.08% | 59K | $51,483 | +40,616 (+218.0%) | June 30, 2026 |
| 12 | Fidelity Nasdaq Composite Index | 0.05% | 39K | $34,078 | — | August 31, 2026 |
| 13 | Vanguard Balanced Index Inv | 0.05% | 37K | $32,324 | — | August 31, 2026 |
| 14 | Vanguard MStar Inst Ttl StkMktIdxInstlPl | 0.05% | 36K | $31,714 | — | August 31, 2026 |
| 15 | Vanguard U.S. Eq Idx £ Acc | 0.05% | 35K | $30,087 | — | August 31, 2026 |
| 16 | Fidelity ZERO Extended Market Index | 0.04% | 31K | $26,627 | +12,029 (+64.6%) | August 31, 2026 |
| 17 | Fidelity ZERO Total Market Index | 0.04% | 29K | $25,018 | — | August 31, 2026 |
| 18 | 1290 VT Micro Cap K | 0.02% | 16K | $13,537 | — | August 31, 2026 |
| 19 | Fidelity Flex Small Cap Index | 0.01% | 10K | $9,036 | +1,938 (+22.9%) | July 31, 2026 |
| 20 | Fidelity VIP Extended Mkt Indx Initial | 0.01% | 5,169 | $4,491 | — | August 31, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
BMEA insider transactions
latest 1| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2025-12-11 | Rainer M Erdtmann | Buy | $1.43 | 30,000 | $42,900 |
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.
BMEA shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns BMEA
Institutional investors own 40.0% of Biomea Fusion's shares and insiders 7.15%. The largest holder is FMR Inc with 12.16% of the shares (8.8M), as of June 30, 2026. Among the top 20 institutions, 13 added shares and 5 reduced their stake in the latest filings. Short interest is 23.68% of the float, or 6.26 days of average trading volume. The share count rose 1,105.0% since 2019.
Related: BMEA analyst forecast, BMEA key metrics. See the BMEA stock overview for the latest quote and news.
BMEA ownership FAQ
Who owns the most Biomea Fusion stock?
The largest shareholders of Biomea Fusion are FMR Inc (12.16%), Vanguard Capital Management, LLC (3.90%), Marshall Wace Asset Management Ltd (2.83%), Aisling Capital Management LP (2.83%), Renaissance Technologies Corp (2.01%).
What percentage of Biomea Fusion is owned by institutions?
Institutions hold 40.0% of Biomea Fusion's shares outstanding; insiders hold 7.15%.
Which funds own Biomea Fusion?
The largest fund holders of Biomea Fusion are Fidelity Growth Company Fund (3.74%), Vanguard MStar Total Stk Mkt Idx Invest (2.93%), Fidelity Growth Company K6 (1.26%), Fidelity Series Growth Company (1.11%), Fidelity Select Biotechnology (0.62%).
What is Biomea Fusion's short interest?
14.1M shares of Biomea Fusion were sold short, 23.68% of the float; at the average daily volume it would take 6.26 days to cover.
Are insiders buying or selling Biomea Fusion?
Of the latest 1 reported insider transactions in Biomea Fusion (since December 11, 2025), 1 were purchases and 0 were sales.
How many shares of Biomea Fusion are outstanding?
Biomea Fusion has 72.5M shares outstanding, of which 67.7M are in the public float.