BFLY
Butterfly Network, Inc. · Healthcare · Medical - Devices
Momentum inputs (comparable managers):
holder breadth -5.9% ·
share flow -13.3% ·
net new positions -6.2%
— formula
Broad distribution — falling shares and fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q3 2025
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 91 | +3 | 107.33M | $903.18M | +8 | −6 |
| Q1 2026 | 92 | +7 | 95.54M | $385.81M | +13 | −6 |
| Q4 2025 | 84 | +2 | 92.11M | $328.02M | +2 | — |
| Q3 2025 | 16 | -1 | 60.81M | $112.78M | +1 | −2 |
| Q2 2025 | 14 | -2 | 67.72M | $130.72M | — | −2 |
| Q1 2025 | 13 | 0 | 42.33M | $91.17M | — | — |
| Q4 2024 | 13 | +3 | 32.38M | $93.71M | +3 | — |
| Q3 2024 | 9 | -1 | 28.48M | $46.21M | +1 | −2 |
| Q2 2024 | 10 | — | 27.10M | $20.74M | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 13.84M | -1.4% | $26.70M | 0.0% | ▼ Trim | 2 | SEC ↗ ×8 |
| 2 | The Vanguard Group ✦ (passive) | 11.04M | +4.3% | $21.31M | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 3 | Glenview Capital ✦ | 11.67M | 0.0% | $19.29M | 0.5% | Held | 6 | SEC ↗ ×2 |
| 4 | ARK Investment Management ✦ | 6.15M | -4.2% | $11.86M | 0.1% | ▼ Trim | 6 | SEC ↗ |
| 5 | State Street Global Advisors ✦ (passive) | 5.96M | +16.2% | $11.50M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 6 | Geode Capital Management ✦ (passive) | 4.60M | +6.1% | $8.89M | 0.0% | ▲ Add | 6 | SEC ↗ ×2 |
| 7 | Citadel Advisors ✦ | 2.69M | -0.6% | $5.19M | 0.0% | ▼ Trim | 6 | SEC ↗ ×2 |
| 8 | Morgan Stanley ✦ | 1.88M | — | $3.63M | 0.0% | n/c | 1 | SEC ↗ ×7 |
| 9 | Millennium Management ✦ | 1.52M | -30.2% | $2.94M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 10 | Goldman Sachs Group ✦ | 391.43K | — | $755,462 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 11 | JPMorgan Chase ✦ | 163.44K | — | $315,442 | 0.0% | n/c | 1 | SEC ↗ ×8 |
| 12 | T. Rowe Price ✦ | 101.95K | -27.9% | $197,000 | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 13 | Fidelity (FMR) ✦ | 39.87K | -4.0% | $76,955 | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 14 | AQR Capital Management ✦ | 27.58K | New | $53,222 | 0.0% | New | 1 | SEC ↗ ×4 |
| 15 | Two Sigma Investments ✦ | 22.10K | -97.1% | $42,649 | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 16 | D. E. Shaw & Co. ✦ | 723.00K | 0.0% | $32,969 | 0.0% | Held | 6 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| AQR Capital Management | $53,222 | 0.0% |
Exited
| Capital World Investors | $16.97M | was 0.0% |
| Renaissance Technologies | $1.01M | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 237 holders, 138.33M shares, $545.92M reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Open-market purchases (P)
Director · 115.20K sh @ 8.68 · $999,510
Open-market sales (S)
Officer, Director · 35.79K sh · $358,616
Officer · 10.11K sh · $88,447
Officer, Director · 3.17K sh · $31,757
Officer, Director · 2.81K sh · $28,110
Officer · 140.11K sh · $1.02M
Officer · 13.80K sh · $100,797
Officer · 1.71K sh · $13,927
Director · 582.50K sh · $5.23M
Director · 824.70K sh · $7.17M
Director · 500.00K sh · $4.62M
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology
4.8% of class · View original SEC filing ↗
0.3% of class · View original SEC filing ↗
0.4% of class · View original SEC filing ↗
0.4% of class · View original SEC filing ↗