MASS
name pending profile ingest
Momentum inputs (comparable managers):
holder breadth +8.3% ·
share flow +26.5% ·
net new positions +7.7%
— formula
Broad accumulation — rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2025
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 52 | -2 | 10.35M | $89.93M | +2 | −5 |
| Q1 2026 | 57 | -4 | 10.59M | $64.79M | — | −4 |
| Q4 2025 | 61 | +1 | 11.56M | $60.65M | +2 | −1 |
| Q3 2025 | 16 | 0 | 9.68M | $84.83M | — | — |
| Q2 2025 | 13 | +1 | 10.10M | $71.99M | +1 | — |
| Q1 2025 | 9 | 0 | 4.75M | $21.27M | +2 | −2 |
| Q4 2024 | 9 | 0 | 4.58M | $10.07M | +2 | −2 |
| Q3 2024 | 8 | -1 | 4.69M | $16.27M | — | −1 |
| Q2 2024 | 9 | — | 5.68M | $29.25M | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | ARK Investment Management ✦ | 2.65M | -8.7% | $18.88M | 0.1% | ▼ Trim | 5 | SEC ↗ |
| 2 | State Street Global Advisors ✦ (passive) | 2.29M | +388.9% | $16.31M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 3 | BlackRock ✦ (passive) | 1.79M | — | $12.77M | 0.0% | n/c | 1 | SEC ↗ |
| 4 | BlackRock ✦ (passive) | 1.79M | — | $12.77M | 0.0% | n/c | 1 | SEC ↗ |
| 5 | BlackRock ✦ (passive) | 1.79M | — | $12.77M | 0.0% | n/c | 1 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 1.79M | — | $12.77M | 0.0% | n/c | 1 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 1.79M | — | $12.77M | 0.0% | n/c | 1 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 1.79M | — | $12.77M | 0.0% | n/c | 1 | SEC ↗ |
| 9 | The Vanguard Group ✦ (passive) | 1.43M | — | $10.20M | 0.0% | n/c | 1 | SEC ↗ |
| 10 | The Vanguard Group ✦ (passive) | 1.43M | — | $10.20M | 0.0% | n/c | 1 | SEC ↗ |
| 11 | The Vanguard Group ✦ (passive) | 1.43M | — | $10.20M | 0.0% | n/c | 1 | SEC ↗ |
| 12 | Geode Capital Management ✦ (passive) | 658.60K | +11.7% | $4.70M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 13 | Geode Capital Management ✦ (passive) | 658.60K | +11.7% | $4.70M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 14 | Marshall Wace ✦ | 648.80K | +359.4% | $4.63M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 15 | Marshall Wace ✦ | 648.80K | +359.4% | $4.63M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 16 | D. E. Shaw & Co. ✦ | 186.22K | -45.2% | $1.33M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 17 | Renaissance Technologies ✦ | 174.10K | +20.4% | $1.24M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 18 | AQR Capital Management ✦ | 94.99K | +16.5% | $677,293 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 19 | AQR Capital Management ✦ | 94.99K | +16.5% | $677,293 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 20 | AQR Capital Management ✦ | 94.99K | +16.5% | $677,293 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 21 | AQR Capital Management ✦ | 94.99K | +16.5% | $677,293 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 22 | Millennium Management ✦ | 82.70K | New | $589,644 | 0.0% | New | 1 | SEC ↗ |
| 23 | Two Sigma Investments ✦ | 70.99K | +1.5% | $506,187 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 24 | T. Rowe Price ✦ | 12.41K | 0.0% | $89,000 | 0.0% | Held | 2 | SEC ↗ |
| 25 | Fidelity (FMR) ✦ | 10.78K | — | $76,841 | 0.0% | n/c | 1 | SEC ↗ |
| 26 | Fidelity (FMR) ✦ | 10.78K | — | $76,841 | 0.0% | n/c | 1 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Millennium Management | $589,644 | 0.0% |
Exited
| No tracked exits this quarter. |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 111 holders, 27.94M shares, $169.30M 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)
No open-market insider purchases in our coverage window.
Open-market sales (S)
10% owner · 41.58K sh · $441,159
10% owner · 8.42K sh · $88,638
Officer, Director · 20.00K sh · $207,000
Officer, Director · 7.62K sh · $76,677
Officer, Director · 2.75K sh · $27,662
Director · 8.36K sh · $77,144
Officer, Director · 115.75K sh · $1.14M
Officer, Director · 30.17K sh · $306,527
Director · 9.44K sh · $85,261
Officer, Director · 348 sh · $3,153
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology