Security record · archived quarter
VSTM
Verastem, Inc. · Healthcare · Biotechnology
61Tracked holders
-1Δ holders
34.42MShares held
$182.56MReported value
+5New positions
−6Exits
Momentum inputs (comparable managers):
holder breadth -1.6% ·
share flow +13.7% ·
net new positions -1.6%
— formula
Concentrated accumulation — rising shares among fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 2026
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 65 | +6 | 39.97M | $152.90M | +11 | −5 |
| Q1 2026 | 61 | -1 | 34.42M | $182.56M | +5 | −6 |
| Q4 2025 | 62 | -1 | 31.11M | $240.18M | — | −1 |
| Q3 2025 | 17 | +2 | 20.72M | $182.92M | +3 | −1 |
| Q2 2025 | 12 | +1 | 11.06M | $45.90M | +1 | — |
| Q1 2025 | 8 | 0 | 4.53M | $27.31M | +1 | −1 |
| Q4 2024 | 8 | +1 | 3.00M | $15.49M | +2 | −1 |
| Q3 2024 | 6 | +1 | 1.09M | $3.27M | +3 | −2 |
| Q2 2024 | 5 | — | 667.62K | $1.99M | — | — |
Who holds it · Q1 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 6.19M | +30.3% | $32.83M | 0.0% | ▲ Add | 4 | SEC ↗ ×9 |
| 2 | State Street Global Advisors ✦ (passive) | 3.52M | +9.2% | $18.64M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 3 | Vanguard Capital Management Llc | 3.32M | — | $17.61M | 0.0% | n/c | 1 | SEC ↗ |
| 4 | Millennium Management ✦ | 2.41M | +334.5% | $12.78M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 5 | Citadel Advisors ✦ | 2.31M | -1.9% | $12.24M | 0.0% | ▼ Trim | 3 | SEC ↗ ×2 |
| 6 | Morgan Stanley ✦ | 2.25M | +20.1% | $11.91M | 0.0% | ▲ Add | 3 | SEC ↗ ×7 |
| 7 | Alyeska Investment Group, L.P. | 2.05M | New | $10.87M | 0.0% | New | 1 | SEC ↗ |
| 8 | Geode Capital Management ✦ (passive) | 1.72M | +23.3% | $9.11M | 0.0% | ▲ Add | 8 | SEC ↗ ×2 |
| 9 | Goldman Sachs Group ✦ | 1.48M | -0.8% | $7.87M | 0.0% | ▼ Trim | 3 | SEC ↗ ×2 |
| 10 | Qube Research & Technologies Ltd | 1.48M | +479.1% | $7.82M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 11 | Franklin Resources Inc | 1.11M | +19.4% | $5.86M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 12 | Two Sigma Investments ✦ | 667.01K | +39.9% | $3.54M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 13 | Jane Street Group, Llc | 570.62K | +77.9% | $3.02M | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 14 | UBS Group AG | 543.69K | +8.4% | $2.88M | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 15 | Northern Trust Corp | 515.79K | +31.2% | $2.73M | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 16 | Fidelity (FMR) ✦ | 473.66K | +18.9% | $2.51M | 0.0% | ▲ Add | 4 | SEC ↗ ×2 |
| 17 | Toronto Dominion Bank | 460.41K | 0.0% | $2.44M | 0.0% | Held | 2 | SEC ↗ |
| 18 | Bank Of America Corp /De/ | 416.99K | +31.6% | $2.21M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 19 | Balyasny Asset Management L.P. | 409.78K | -87.2% | $2.17M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 20 | Squarepoint Ops LLC | 270.55K | -1.9% | $1.43M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 21 | Nuveen, LLC | 206.10K | +9.2% | $1.09M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 22 | Raymond James Financial Inc | 199.00K | -0.2% | $1.05M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 23 | Charles Schwab Investment… | 196.50K | +21.9% | $1.04M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 24 | Bank of New York Mellon Corp | 161.71K | +31.8% | $857,046 | 0.0% | ▲ Add | 2 | SEC ↗ ×4 |
| 25 | Wellington Management ✦ | 151.24K | +3.9% | $801,572 | 0.0% | ▲ Add | 5 | SEC ↗ ×3 |
| 26 | Royal Bank Of Canada | 110.73K | +15.3% | $587,000 | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 27 | Invesco Ltd. | 104.05K | 0.0% | $551,460 | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 28 | Alliancebernstein L.P. | 67.27K | 0.0% | $519,324 | 0.0% | Held | 2 | SEC ↗ |
| 29 | Man Group plc | 96.83K | New | $513,215 | 0.0% | New | 1 | SEC ↗ |
| 30 | Susquehanna International Group, Llp | 91.76K | -36.0% | $486,328 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 31 | Barclays Plc | 90.30K | -55.3% | $478,591 | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 32 | Quantinno Capital Management LP | 74.28K | New | $393,710 | 0.0% | New | 1 | SEC ↗ |
| 33 | Rhumbline Advisers | 71.97K | +19.0% | $381,451 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 34 | AQR Capital Management ✦ | 66.06K | +34.8% | $350,143 | 0.0% | ▲ Add | 7 | SEC ↗ ×5 |
| 35 | Deutsche Bank Ag\ | 62.80K | +37.8% | $332,862 | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 36 | T. Rowe Price ✦ | 46.83K | +71.9% | $249,000 | 0.0% | ▲ Add | 7 | SEC ↗ |
| 37 | Cetera Investment Advisers | 43.35K | -0.1% | $229,734 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 38 | Envestnet Asset Management Inc | 42.39K | -0.2% | $224,678 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 39 | Hsbc Holdings Plc | 39.39K | New | $209,752 | 0.0% | New | 1 | SEC ↗ |
| 40 | Stifel Financial Corp | 38.89K | -2.2% | $206,127 | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 41 | MIRAE ASSET GLOBAL ETFS HOLDINGS… | 39.01K | +20.6% | $203,322 | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 42 | Canada Pension Plan Investment Board | 32.60K | +160.8% | $172,780 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 43 | Wells Fargo & Company/Mn | 30.09K | -51.9% | $159,456 | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 44 | D. E. Shaw & Co. ✦ | 26.66K | -92.1% | $141,293 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 45 | JPMorgan Chase ✦ | 28.78K | +28.7% | $139,573 | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 46 | Osaic Holdings, Inc. | 21.74K | +6.2% | $115,200 | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 47 | Bnp Paribas Financial Markets | 19.02K | +442.5% | $100,832 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 48 | Manufacturers Life Insurance… | 18.02K | +9.8% | $95,485 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 49 | Russell Investments Group, Ltd. | 14.45K | +212.2% | $76,605 | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 50 | Creative Planning | 13.32K | -11.3% | $70,617 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 51 | Citigroup Inc | 12.26K | -96.6% | $64,983 | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 52 | Voya Investment Management Llc | 11.53K | New | $61,114 | 0.0% | New | 1 | SEC ↗ |
| 53 | Legal & General Group Plc | 5.89K | +11.3% | $31,201 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 54 | New York State Common Retirement… | 5.20K | 0.0% | $27,664 | 0.0% | Held | 2 | SEC ↗ |
| 55 | California State Teachers… | 3.66K | +11.2% | $19,387 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 56 | Rockefeller Capital Management L.P. | 2.68K | +23.5% | $14,220 | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 57 | Group One Trading Llc | 1.94K | -89.2% | $10,256 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 58 | UBS AM, a distinct business unit of… | 1.85K | +197.3% | $9,816 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 59 | Cwm, Llc | 1.59K | +179.8% | $8,454 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 60 | Optiver Holding B.V. | 536 | +45.6% | $2,841 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 61 | Pnc Financial Services Group, Inc. | 143 | +1200.0% | $758 | 0.0% | ▲ Add | 2 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Alyeska Investment Group, L.P. | $10.87M | 0.0% |
| Man Group plc | $513,215 | 0.0% |
| Quantinno Capital Management… | $393,710 | 0.0% |
| Hsbc Holdings Plc | $209,752 | 0.0% |
| Voya Investment Management Llc | $61,114 | 0.0% |
Exited
| Point72 Asset Management | $7.68M | was 0.0% |
| Janus Henderson Group Plc | $685,930 | was 0.0% |
| State Of Wisconsin Investment… | $301,906 | was 0.0% |
| Simplex Trading, Llc | $57,830 | was 0.0% |
| Northwestern Mutual Wealth… | $6,562 | was 0.0% |
| Us Bancorp \De\ | $355 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 154 holders, 81.36M shares, $428.32M reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
Frequently co-owned
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)
Oct 01
Calkins Daniel
Officer · 2.57K sh · $20,528
Sep 21
Calkins Daniel
Officer · 55 sh · $424
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology
Aug 14
SC 13G/A — ARMISTICE CAPITAL, LLC
Aug 07
SC 13G — STATE STREET CORP
Jul 31
SC 13G — VANGUARD CAPITAL MANAGEMENT LLC
Jul 30
SC 13G/A — BlackRock, Inc.
Jul 08
SC 13G/A — Polar Capital Holdings Plc
Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR.
Reporting period: Q1 2026 ·
Methodology ·
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