53% buyers of institutions opening or closing positions this quarter
2 more new buyers than exits, ownership rose 16.73 percentage points vs the prior quarter, and 3 well-known fund managers in the top 25.
53% buyers of institutions opening or closing positions this quarter
52.8% institutional ownership
Aisling Capital Management portfolio allocation
Institutional ownership vs Biotechnology peers
No Form 4 insider transactions on file
Latest positioning in BMEA across 13F flow, ownership shift, marquee holders, and holder-count growth.
Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in BMEA held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | FMR LLC | 8.8M | $13.5M | 0.0% | 14.813% | 0.00% |
| 2 | VANGUARD CAPITAL MANAGEMENT LLC | 2.6M | $4.0M | β | 4.365% | 0.00% |
| 3 | Aisling Capital Management LP | 2.0M | $3.1M | 0.0% | 3.444% | 0.66% |
| 4 | RENAISSANCE TECHNOLOGIES LLC | 1.3M | $2.0M | +174.3% | 2.207% | 0.00% |
| 5 | MARSHALL WACE, LLP | 1.2M | $1.8M | +3.3% | 2.014% | 0.00% |
| 6 | CITADEL ADVISORS LLC | 904K | $1.4M | β | 1.519% | 0.00% |
| 7 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 857K | $1.3M | +14.4% | 1.440% | 0.00% |
| 8 | Mariner, LLC | 655K | $1.0M | +11.8% | 1.100% | 0.00% |
| 9 | BlackRock, Inc. | 641K | $981K | +1.5% | 1.078% | 0.00% |
| 10 | FIDEURAM - INTESA SANPAOLO PRIVATE BANKING S.P.A. | 557K | $852K | -11.8% | 0.936% | 0.03% |
| 11 | GEODE CAPITAL MANAGEMENT, LLC | 548K | $839K | -2.6% | 0.921% | 0.00% |
| 12 | XTX Topco Ltd | 531K | $812K | +103.2% | 0.892% | 0.01% |
| 13 | UBS Group AG | 516K | $789K | -55.7% | 0.867% | 0.00% |
| 14 | TWO SIGMA INVESTMENTS, LP | 389K | $595K | -8.2% | 0.653% | 0.00% |
| 15 | MORGAN STANLEY | 347K | $531K | -7.0% | 0.583% | 0.00% |
| 16 | VANGUARD FIDUCIARY TRUST CO | 336K | $514K | β | 0.565% | 0.00% |
| 17 | JACOBS LEVY EQUITY MANAGEMENT, INC | 311K | $475K | β | 0.522% | 0.00% |
| 18 | SUPERSTRING CAPITAL MANAGEMENT LP | 250K | $383K | 0.0% | 0.420% | 0.27% |
| 19 | NORTHERN TRUST CORP | 209K | $320K | 0.0% | 0.351% | 0.00% |
| 20 | STATE STREET CORP | 208K | $318K | +26.0% | 0.350% | 0.00% |
| 21 | LMR Partners LLP | 200K | $267K | +33.3% | 0.336% | 0.00% |
| 22 | Headlands Technologies LLC | 106K | $162K | β | 0.178% | 0.02% |
| 23 | Marex Group plc | 100K | $153K | 0.0% | 0.168% | 0.00% |
| 24 | MAI Capital Management | 89K | $136K | +89000.0% | 0.150% | 0.00% |
| 25 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | 85K | $129K | +23.9% | 0.142% | 0.00% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). β% of Fundβ shows how much of that investorβs total 13F portfolio is invested in BMEA β a direct measure of their conviction.
Filings activity in BMEA during Q1 2026, grouped by how each filer changed its position.
Institutions that opened a new BMEA position in Q1 2026
Institutions that fully closed their BMEA position in Q1 2026
8 quarters of 13F filings Β· Ξ columns show change vs prior quarter
| Quarter | Inst. Holders | Ξ Holders | Ownership % | Ξ Ownership | Total 13F Value | Ξ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 62 | +3.3% | 52.78% | +16.73 pp | $37M | +24% |
| Q4 2025 | 60 | 15% | 36.05% | 27.99 pp | $30M | 44% |
| Q3 2025 | 71 | 18% | 64.04% | +1.99 pp | $54M | +3.2% |
| Q2 2025 | 87 | 6.5% | 62.05% | 4.35 pp | $52M | +11% |
| Q1 2025 | 93 | 11% | 66.40% | 44.62 pp | $47M | 50% |
| Q4 2024 | 104 | +22% | 111.02% | 88.97 pp | $93M | 60% |
| Q3 2024 | 85 | 16% | 199.99% | +74.31 pp | $232M | +120% |
| Q2 2024 | 101 | β | 125.68% | β | $105M | β |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Ξ columns compare to the immediately prior filed quarter.
No recent Form 4 insider transactions on file for BMEA.
Quick answers to the most common questions about buying BMEA stock.
Based on Q1 2026 13F filings, institutional ownership of Biomea Fusion, Inc. stands at 52.8%, held across 62 reporting institutions.
FMR LLC is the largest reported institutional holder of BMEA, with approximately 8,813,359 shares worth $0.01B as of Q1 2026.
Yes β 3 widely-followed marquee investors appear among the top 25 institutional holders of BMEA, including RENAISSANCE TECHNOLOGIES LLC, CITADEL ADVISORS LLC, TWO SIGMA INVESTMENTS, LP.
Our composite Smart Money Score for BMEA is 72 out of 100 (Bullish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
16 institutions opened new positions in BMEA during Q1 2026, while 14 fully exited. 39 added to existing positions and 6 trimmed.
BMEA institutional ownership rose by 16.73 percentage points quarter-over-quarter, with a net change of +2 holders.
The top 10 institutions account for 80.2% of all reported 13F value in BMEA, and the top 25 account for 97.4%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.