Who owns Cullinan Therapeutics, Inc.?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of CGEM from SEC Form 13F filings across 183 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 183 institutions disclosed 71.6M shares of Cullinan Therapeutics, Inc. worth $1.30B — about 116.5% of shares outstanding; the largest disclosed holder is MPM BIOIMPACT LLC. Source: SEC Form 13F filings, parsed by EvidInvest.
183
13F holders
$1.30B
value, 2026 filers
116.5%
of shares outstanding (71.6M sh)
32
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of CGEM's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | MPM BIOIMPACT LLC | 9.7M | $177.2M | 10.8% | 15.8% | +27.2% |
| 2 | Lynx1 Capital Management LP | 9.0M | $163.2M | 18.9% | 14.6% | 0.0% |
| 3 | BVF INC/IL | 5.8M | $104.7M | 2.7% | 9.4% | 0.0% |
| 4 | BlackRock, Inc. | 5.2M | $95.3M | 0.0% | 8.5% | +17.6% |
| 5 | PRICE T ROWE ASSOCIATES INC /MD/ | 3.8M | $69.7M | 0.0% | 6.2% | +88.5% |
| 6 | STATE STREET CORP | 3.7M | $66.8M | 0.0% | 6% | +44.2% |
| 7 | Kynam Capital Management, LP | 3.1M | $56.7M | 3.1% | 5.1% | 0.0% |
| 8 | VANGUARD CAPITAL MANAGEMENT LLC | 2.6M | $47.6M | 0.0% | 4.3% | +5.3% |
| 9 | RTW INVESTMENTS, LP | 2.4M | $43.1M | 0.4% | 3.8% | +38.6% |
| 10 | Siren, L.L.C. | 1.9M | $34.5M | 0.7% | 3.1% | +58.7% |
| 11 | GEODE CAPITAL MANAGEMENT, LLC | 1.5M | $28.2M | 0.0% | 2.5% | +13.1% |
| 12 | Blue Owl Capital Holdings LP | 1.5M | $28.0M | 4.2% | 2.5% | -19.4% |
| 13 | Venrock Adviser, LLC | 1.4M | $25.1M | 0.8% | 2.2% | 0.0% |
| 14 | BOOTHBAY FUND MANAGEMENT, LLC | 1.1M | $19.7M | 0.3% | 1.8% | -2.7% |
| 15 | DIMENSIONAL FUND ADVISORS LP | 1.0M | $19.1M | 0.0% | 1.7% | +15.5% |
| 16 | GOLDMAN SACHS GROUP INC | 1.0M | $18.2M | 0.0% | 1.6% | +119.9% |
| 17 | Affinity Asset Advisors, LLC | 875,760 | $15.9M | 0.7% | 1.4% | +12.1% |
| 18 | VANGUARD PORTFOLIO MANAGEMENT LLC | 738,741 | $13.5M | 0.0% | 1.2% | +33.7% |
| 19 | BOONE CAPITAL MANAGEMENT LLCNEW | 704,442 | $12.8M | 3.0% | 1.1% | new |
| 20 | Elmind Capital, LP | 690,000 | $12.6M | 3.2% | 1.1% | +30.2% |
| 21 | MORGAN STANLEY | 629,035 | $11.5M | 0.0% | 1% | +6.7% |
| 22 | TWIN FOCUS CAPITAL PARTNERS, LLC | 595,489 | $10.8M | 1.1% | 1% | 0.0% |
| 23 | AQR CAPITAL MANAGEMENT LLC | 581,338 | $10.6M | 0.0% | 0.9% | +61.1% |
| 24 | NORTHERN TRUST CORP | 571,080 | $10.4M | 0.0% | 0.9% | +27.1% |
| 25 | BANK OF AMERICA CORP /DE/ | 510,325 | $9.3M | 0.0% | 0.8% | -1.2% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.