Who owns TScan Therapeutics, Inc.?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of TCRX from SEC Form 13F filings across 58 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, 58 institutions disclosed 35.0M shares of TScan Therapeutics, Inc. worth $32.3M — about 26.9% of shares outstanding; the largest disclosed holder is Lynx1 Capital Management LP. Source: SEC Form 13F filings, parsed by EvidInvest.
58
13F holders
$32.3M
value, 2026 filers
26.9%
of shares outstanding (35.0M sh)
7
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 TCRX's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | Lynx1 Capital Management LP | 8.0M | $7.9M | 1.5% | 6.2% | 0.0% |
| 2 | BVF INC/IL | 5.6M | $5.5M | 0.1% | 4.3% | 0.0% |
| 3 | BAKER BROS. ADVISORS LP | 2.8M | $2.7M | 0.0% | 2.1% | 0.0% |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | 2.2M | $2.1M | 0.0% | 1.7% | +0.2% |
| 5 | TWO SIGMA INVESTMENTS, LP | 1.9M | $1.9M | 0.0% | 1.5% | +61.3% |
| 6 | RENAISSANCE TECHNOLOGIES LLC | 1.3M | $1.3M | 0.0% | 1% | -2.8% |
| 7 | ACADIAN ASSET MANAGEMENT LLC | 1.3M | $1,276 | 0.0% | 1% | +546.5% |
| 8 | Deer Management Co. LLC | 1.2M | $1.2M | 0.2% | 1% | 0.0% |
| 9 | MILLENNIUM MANAGEMENT LLC | 1.2M | $1.1M | 0.0% | 0.9% | -20.3% |
| 10 | JACOBS LEVY EQUITY MANAGEMENT, INC | 1.0M | $1.0M | 0.0% | 0.8% | +29.9% |
| 11 | CITADEL ADVISORS LLC | 1.0M | $989,026 | 0.0% | 0.8% | +216.9% |
| 12 | BlackRock, Inc. | 994,654 | $974,860 | 0.0% | 0.8% | -46.0% |
| 13 | BOOTHBAY FUND MANAGEMENT, LLCNEW | 772,241 | $756,873 | 0.0% | 0.6% | new |
| 14 | MARSHALL WACE, LLP | 687,364 | $673,616 | 0.0% | 0.5% | +189.6% |
| 15 | GEODE CAPITAL MANAGEMENT, LLC | 584,811 | $573,401 | 0.0% | 0.5% | -5.2% |
| 16 | D. E. Shaw & Co., Inc. | 548,402 | $537,489 | 0.0% | 0.4% | +71.6% |
| 17 | GSA CAPITAL PARTNERS LLP | 548,087 | $537 | 0.0% | 0.4% | +44.6% |
| 18 | Kalehua Capital Management LLCNEW | 454,876 | $445,824 | 0.3% | 0.4% | new |
| 19 | VANGUARD FIDUCIARY TRUST CO | 363,954 | $356,675 | 0.0% | 0.3% | +19.0% |
| 20 | JANE STREET GROUP, LLC | 241,493 | $236,687 | 0.0% | 0.2% | +67.2% |
| 21 | Verdad Advisers, LP | 232,759 | $228,127 | 0.2% | 0.2% | +73.7% |
| 22 | STATE STREET CORP | 207,313 | $203,187 | 0.0% | 0.2% | 0.0% |
| 23 | MORGAN STANLEY | 197,891 | $193,952 | 0.0% | 0.2% | +14.0% |
| 24 | HRT FINANCIAL LPNEW | 164,601 | $161 | 0.0% | 0.1% | new |
| 25 | XTX Topco Ltd | 149,467 | $146,493 | 0.0% | 0.1% | +146.2% |
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.