Ranked by reported Q2 2026 13F market value
Share of total reported institutional value in BFLY held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 18.8M | $158.5M | +17.9% | 7.068% | 0.00% |
| 2 | GLENVIEW CAPITAL MANAGEMENT, LLC | 14.3M | $120.7M | 0.0% | 5.383% | 2.20% |
| 3 | Hood River Capital Management LLC | 13.2M | $111.1M | +53.0% | 4.953% | 0.81% |
| 4 | Fosun International Ltd | 10.2M | $86.2M | -4.5% | 3.844% | 19.31% |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | 8.6M | $72.1M | +4.5% | 3.214% | 0.00% |
| 6 | D. E. Shaw & Co., Inc. | 6.4M | $53.8M | +470.6% | 2.401% | 0.03% |
| 7 | STATE STREET CORP | 5.8M | $48.5M | +4.0% | 2.164% | 0.00% |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | 5.3M | $45.0M | +11.2% | 2.007% | 0.00% |
| 9 | ARK Investment Management LLC | 5.1M | $42.8M | -2.7% | 1.910% | 0.28% |
| 10 | Nuveen, LLC | 5.1M | $42.6M | +34.8% | 1.899% | 0.01% |
| 11 | FMR LLC | 4.9M | $41.3M | +1016.0% | 1.844% | 0.00% |
| 12 | AWM Investment Company, Inc. | 4.4M | $37.3M | 0.0% | 1.664% | 3.24% |
| 13 | SEI INVESTMENTS CO | 2.9M | $24.7M | +27.8% | 1.103% | 0.02% |
| 14 | GOLDMAN SACHS GROUP INC | 2.8M | $23.3M | +224.1% | 1.037% | 0.00% |
| 15 | First Light Asset Management, LLC | 2.6M | $22.2M | -0.7% | 0.992% | 1.35% |
| 16 | DEUTSCHE BANK AG\ | 2.6M | $21.7M | +14.0% | 0.969% | 0.01% |
| 17 | VANGUARD PORTFOLIO MANAGEMENT LLC | 2.4M | $20.1M | +29.7% | 0.895% | 0.00% |
| 18 | MILLENNIUM MANAGEMENT LLC | 2.2M | $18.3M | -37.8% | 0.815% | 0.01% |
| 19 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 2.2M | $18.2M | -21.3% | 0.811% | 0.00% |
| 20 | BANK OF AMERICA CORP /DE/ | 2.1M | $18.0M | -48.7% | 0.803% | 0.00% |
| 21 | DIMENSIONAL FUND ADVISORS LP | 1.9M | $16.4M | -17.5% | 0.731% | 0.00% |
| 22 | ALGERT GLOBAL LLC | 1.8M | $15.3M | -31.8% | 0.681% | 0.18% |
| 23 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1.8M | $15.0M | +6.0% | 0.668% | 0.00% |
| 24 | NORTHERN TRUST CORP | 1.8M | $14.9M | +13.5% | 0.663% | 0.00% |
| 25 | KINGDON CAPITAL MANAGEMENT, L.L.C. | 1.7M | $14.3M | — | 0.638% | 1.47% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in BFLY — a direct measure of their conviction.
Filings activity in BFLY during Q2 2026, grouped by how each filer changed its position.
8 quarters of 13F filings · Δ columns show change vs prior quarter
| Quarter | Inst. Holders | Δ Holders | Ownership % | Δ Ownership | Total 13F Value | Δ Value |
|---|---|---|---|---|---|---|
| Q2 2026 | 250 | +3.3% | 61.32% | +6.58 pp | $1.37B | +138% |
| Q1 2026 | 242 | +21% | 54.74% | +7.05 pp | $574M | +20% |
| Q4 2025 | 200 | +16% | 47.69% | +9.12 pp | $477M | +154% |
| Q3 2025 | 172 | 7.5% | 38.57% | 9.48 pp | $188M | 18% |
| Q2 2025 | 186 | 8.4% | 48.05% | +6.38 pp | $228M | +5.0% |
| Q1 2025 | 203 | +20% | 41.67% | +8.33 pp | $217M | 0.6% |
| Q4 2024 | 169 | +15% | 33.34% | +5.54 pp | $218M | +116% |
| Q3 2024 | 147 | — | 27.80% | — | $101M | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying BFLY stock.
Based on Q2 2026 13F filings, institutional ownership of Butterfly Network, Inc. stands at 61.3%, held across 250 reporting institutions.
BlackRock, Inc. is the largest reported institutional holder of BFLY, with approximately 18,821,463 shares worth $0.16B as of Q2 2026.
Yes — 3 widely-followed marquee investors appear among the top 25 institutional holders of BFLY, including ARK Investment Management LLC, MILLENNIUM MANAGEMENT LLC, SUSQUEHANNA INTERNATIONAL GROUP, LLP.
Our composite Smart Money Score for BFLY is 73 out of 100 (Bullish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
44 institutions opened new positions in BFLY during Q2 2026, while 35 fully exited. 189 added to existing positions and 13 trimmed.
BFLY institutional ownership rose by 6.58 percentage points quarter-over-quarter, with a net change of +8 holders.
The top 10 institutions account for 57.1% of all reported 13F value in BFLY, and the top 25 account for 80.6%.
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.
Butterfly Network, Inc. (BFLY) Institutional Ownership