Security record
CGEM
Cullinan Therapeutics, Inc. · Healthcare · Biotechnology
77Tracked holders
+7Δ holders
28.05MShares held
$510.52MReported value
+11New positions
−4Exits
Momentum inputs (comparable managers):
holder breadth +10.0% ·
share flow +14.4% ·
net new positions +9.1%
— formula
Broad accumulation — rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2026
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 77 | +7 | 28.05M | $510.52M | +11 | −4 |
| Q1 2026 | 73 | +7 | 24.59M | $348.81M | +10 | −3 |
| Q4 2025 | 65 | +1 | 21.69M | $224.52M | +1 | — |
| Q3 2025 | 17 | +1 | 15.39M | $91.26M | +1 | — |
| Q2 2025 | 13 | 0 | 14.48M | $109.06M | +1 | −1 |
| Q1 2025 | 10 | -1 | 7.69M | $58.25M | — | −1 |
| Q4 2024 | 11 | 0 | 8.98M | $109.41M | — | — |
| Q3 2024 | 10 | +1 | 6.86M | $114.80M | +1 | — |
| Q2 2024 | 9 | — | 7.12M | $124.19M | — | — |
Who holds it · Q2 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 5.23M | +17.6% | $95.29M | 0.0% | ▲ Add | 5 | SEC ↗ ×11 |
| 2 | T. Rowe Price ✦ | 3.83M | +88.5% | $69.67M | 0.0% | ▲ Add | 9 | SEC ↗ ×2 |
| 3 | State Street Global Advisors ✦ (passive) | 3.67M | +44.2% | $66.81M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 4 | Vanguard Capital Management Llc | 2.61M | +5.3% | $47.60M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 5 | Geode Capital Management ✦ (passive) | 1.55M | +13.1% | $28.18M | 0.0% | ▲ Add | 9 | SEC ↗ ×2 |
| 6 | Dimensional Fund Advisors Lp | 1.05M | +15.5% | $19.06M | 0.0% | ▲ Add | 3 | SEC ↗ ×4 |
| 7 | Goldman Sachs Group ✦ | 1.00M | +119.9% | $18.24M | 0.0% | ▲ Add | 4 | SEC ↗ ×2 |
| 8 | Morgan Stanley ✦ | 629.03K | +6.7% | $11.45M | 0.0% | ▲ Add | 4 | SEC ↗ ×7 |
| 9 | AQR Capital Management ✦ | 581.34K | +61.1% | $10.59M | 0.0% | ▲ Add | 5 | SEC ↗ ×6 |
| 10 | Northern Trust Corp | 571.08K | +27.1% | $10.40M | 0.0% | ▲ Add | 3 | SEC ↗ ×5 |
| 11 | Bank Of America Corp /De/ | 510.32K | -1.2% | $9.29M | 0.0% | ▼ Trim | 3 | SEC ↗ ×2 |
| 12 | Nuveen, LLC | 471.95K | -41.4% | $8.59M | 0.0% | ▼ Trim | 3 | SEC ↗ ×2 |
| 13 | Charles Schwab Investment… | 464.03K | +7.2% | $8.45M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 14 | Citadel Advisors ✦ | 397.48K | +57.2% | $7.24M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 15 | Deutsche Bank Ag\ | 382.84K | +4.1% | $6.97M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 16 | Millennium Management ✦ | 346.23K | -0.1% | $6.30M | 0.0% | ▼ Trim | 8 | SEC ↗ |
| 17 | Renaissance Technologies ✦ | 326.81K | +0.8% | $5.95M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 18 | Connor, Clark & Lunn Investment… | 292.50K | +1.2% | $5.33M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 19 | JPMorgan Chase ✦ | 282.63K | -4.9% | $5.21M | 0.0% | ▼ Trim | 4 | SEC ↗ ×3 |
| 20 | Two Sigma Investments ✦ | 272.58K | -47.8% | $4.96M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 21 | UBS Group AG | 248.63K | +22.9% | $4.53M | 0.0% | ▲ Add | 3 | SEC ↗ ×4 |
| 22 | Fidelity (FMR) ✦ | 240.12K | +3220.2% | $4.37M | 0.0% | ▲ Add | 5 | SEC ↗ ×2 |
| 23 | Adage Capital Partners ✦ | 238.00K | New | $4.33M | 0.0% | New | 1 | SEC ↗ |
| 24 | Bank of New York Mellon Corp | 171.03K | +19.0% | $3.11M | 0.0% | ▲ Add | 3 | SEC ↗ ×4 |
| 25 | Squarepoint Ops LLC | 168.12K | New | $3.06M | 0.0% | New | 1 | SEC ↗ |
| 26 | Prudential Financial Inc | 167.56K | +12.1% | $3.05M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 27 | Wellington Management ✦ | 164.72K | +10.1% | $3.00M | 0.0% | ▲ Add | 9 | SEC ↗ ×3 |
| 28 | American Century Companies Inc | 156.32K | +8.5% | $2.85M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 29 | Barclays Plc | 143.94K | +2.6% | $2.62M | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 30 | Invesco Ltd. | 143.55K | -41.2% | $2.61M | 0.0% | ▼ Trim | 3 | SEC ↗ ×5 |
| 31 | Citigroup Inc | 124.41K | -13.7% | $2.27M | 0.0% | ▼ Trim | 3 | SEC ↗ ×2 |
| 32 | Assenagon Asset Management S.A. | 123.36K | -11.1% | $2.25M | 0.0% | ▼ Trim | 3 | SEC ↗ ×2 |
| 33 | Quantinno Capital Management LP | 109.88K | +52.0% | $2.00M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 34 | Creative Planning | 86.46K | +44.2% | $1.57M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 35 | UBS AM, a distinct business unit of… | 84.18K | +24.4% | $1.53M | 0.0% | ▲ Add | 3 | SEC ↗ ×6 |
| 36 | Td Asset Management Inc | 80.63K | -29.5% | $1.47M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 37 | Rhumbline Advisers | 78.93K | +16.9% | $1.44M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 38 | Manufacturers Life Insurance… | 76.71K | +1.9% | $1.40M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 39 | Swiss National Bank | 76.00K | +30.4% | $1.38M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 40 | Point72 Asset Management ✦ | 75.01K | -91.7% | $1.37M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 41 | Mariner, LLC | 74.27K | +18.4% | $1.35M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 42 | Marshall Wace ✦ | 66.05K | -93.7% | $1.20M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 43 | Tidal Investments LLC | 62.83K | +0.7% | $1.14M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 44 | Alliancebernstein L.P. | 75.25K | +58.0% | $1.07M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 45 | Corient Private Wealth LP | 53.28K | +91.1% | $970,267 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 46 | Wells Fargo & Company/Mn | 51.26K | +144.8% | $933,372 | 0.0% | ▲ Add | 3 | SEC ↗ ×4 |
| 47 | Franklin Resources Inc | 42.34K | New | $771,103 | 0.0% | New | 1 | SEC ↗ ×2 |
| 48 | Fisher Asset Management ✦ | 36.00K | New | $655,523 | 0.0% | New | 1 | SEC ↗ |
| 49 | MIRAE ASSET GLOBAL ETFS HOLDINGS… | 35.53K | +17.9% | $648,704 | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 50 | Massachusetts Financial Services Co… | 31.71K | New | $577,494 | 0.0% | New | 1 | SEC ↗ ×2 |
| 51 | Russell Investments Group, Ltd. | 28.58K | +569.1% | $520,514 | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 52 | Legal & General Group Plc | 27.48K | +46.9% | $500,356 | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 53 | Susquehanna International Group, Llp | 26.09K | -44.9% | $475,099 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 54 | Tudor Investment Corp Et Al | 22.52K | -22.3% | $410,053 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 55 | Mercer Global Advisors Inc /Adv | 21.92K | +55.4% | $399,200 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 56 | New York State Common Retirement… | 21.22K | +64.2% | $386,380 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 57 | Zurcher Kantonalbank (Zurich… | 20.35K | +6.7% | $370,537 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 58 | State Of Wisconsin Investment Board | 20.05K | New | $365,111 | 0.0% | New | 1 | SEC ↗ |
| 59 | Qube Research & Technologies Ltd | 19.94K | -77.9% | $363,035 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 60 | Simplex Trading, Llc | 17.44K | -1.1% | $317,655 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 61 | Sei Investments Co | 13.45K | New | $244,852 | 0.0% | New | 1 | SEC ↗ |
| 62 | Voya Investment Management Llc | 11.81K | New | $215,151 | 0.0% | New | 1 | SEC ↗ |
| 63 | Wealth Enhancement Advisory… | 11.17K | New | $202,475 | 0.0% | New | 1 | SEC ↗ |
| 64 | Group One Trading Llc | 10.76K | +21.5% | $195,994 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 65 | Bnp Paribas Financial Markets | 9.49K | -67.9% | $172,776 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 66 | Royal Bank Of Canada | 5.82K | +43.9% | $106,000 | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 67 | Mirae Asset Global Investments Co.… | 2.75K | -10.8% | $50,059 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 68 | Osaic Holdings, Inc. | 1.39K | +262.0% | $25,312 | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 69 | Pacer Advisors, Inc. | 1.10K | New | $20,000 | 0.0% | New | 1 | SEC ↗ |
| 70 | BNP Paribas Asset Management… | 683 | -25.9% | $12,437 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 71 | Rockefeller Capital Management L.P. | 649 | 0.0% | $11,818 | 0.0% | Held | 2 | SEC ↗ |
| 72 | Us Bancorp \De\ | 517 | +3.0% | $9,415 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 73 | Federated Hermes, Inc. | 388 | -24.8% | $7,065 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 74 | Optiver Holding B.V. | 140 | -65.3% | $2,549 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 75 | National Bank Of Canada /Fi/ | 23 | New | $419 | 0.0% | New | 1 | SEC ↗ |
| 76 | Pnc Financial Services Group, Inc. | 15 | -16.7% | $273 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 77 | Fifth Third Bancorp | 3 | -95.2% | $55 | 0.0% | ▼ Trim | 2 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Adage Capital Partners | $4.33M | 0.0% |
| Squarepoint Ops LLC | $3.06M | 0.0% |
| Franklin Resources Inc | $771,103 | 0.0% |
| Fisher Asset Management | $655,523 | 0.0% |
| Massachusetts Financial… | $577,494 | 0.0% |
| State Of Wisconsin Investment… | $365,111 | 0.0% |
| Sei Investments Co | $244,852 | 0.0% |
| Voya Investment Management Llc | $215,151 | 0.0% |
| Wealth Enhancement Advisory… | $202,475 | 0.0% |
| Pacer Advisors, Inc. | $20,000 | 0.0% |
| National Bank Of Canada /Fi/ | $419 | 0.0% |
Exited
| Schroder Investment… | $2.33M | was 0.0% |
| Hrt Financial Lp | $548,000 | was 0.0% |
| Jane Street Group, Llc | $324,159 | was 0.0% |
| ProShare Advisors LLC | $148,708 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 172 holders, 65.27M shares, $895.39M 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)
Sep 08
Michaelson Jennifer
Officer · 8.00K sh · $172,560
Aug 13
Michaelson Jennifer
Officer · 30.00K sh · $607,800
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology
Aug 14
SC 13G/A — BIOTECHNOLOGY VALUE FUND L P
Aug 14
SC 13G — PRICE T ROWE ASSOCIATES INC /MD/
Aug 07
SC 13G — STATE STREET CORP
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: Q2 2026 ·
Methodology ·
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