Tscan Therapeutics, Inc.: which funds bought and sold
Institutions that bought and sold Tscan Therapeutics shares in Q2 2026, from the holdings they reported to the SEC on Form 13F for March 31, 2026 and June 30, 2026.
Between March 31, 2026 and June 30, 2026, 28 institutions that filed 13F reports for both quarters added to or opened positions in Tscan Therapeutics, and 19 cut or closed them. Together they added a net 3.8M shares, +11.6% on what they held at the start of the quarter. Active managers and hedge funds on our list were net buyers of 3.8M shares (+42.8%); index fund managers were net sellers of 778K shares (−14.8%). 6 opened a new position and 7 sold out entirely.
Bought, Q2 2026 28 institutions, 6 of them new holders Sold, Q2 2026 19 institutions, 7 of them sold out
Net change, all compared +3.8M shares (+11.6%)
Net change, active managers +3.8M shares (+42.8%), 8 bought, 5 sold
Buyers versus sellers
28 bought 18 19 sold
Active managers and hedge funds 8 bought · 5 sold · +3.8M
Index fund managers 3 bought · 3 sold · −778K
Other institutions 17 bought · 11 sold · +726K
Biggest buyers
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| Acadian Asset Management LLC Active manager | +1.1M +546.5% | 1.3M | $1.3M |
| Kalehua Capital Management LLC | +910K New position | 910K | $891,648 |
| Boothbay Fund Management, LLC Hedge fund | +772K New position | 772K | $756,873 |
| Two Sigma Investments, LP Hedge fund | +741K +61.3% | 1.9M | $1.9M |
| Citadel Advisors LLC Hedge fund | +691K +216.9% | 1.0M | $989,026 |
| Marshall Wace, LLP Hedge fund | +450K +189.6% | 687K | $673,616 |
| Jacobs Levy Equity Management, Inc Active manager | +241K +29.9% | 1.0M | $1M |
| D. E. Shaw & Co., Inc. Hedge fund | +229K +71.6% | 548K | $537,489 |
| Mizuho Securities Usa LLC | +206K New position | 206K | $201,509 |
| Gsa Capital Partners LLP | +169K +44.6% | 548K | $537,000 |
| HRT Financial LP | +165K New position | 165K | $161,000 |
| Verdad Advisers, LP | +99K +73.7% | 233K | $228,127 |
| Jane Street Group, LLC | +97K +67.2% | 241K | $236,687 |
| Xtx Topco Ltd | +89K +146.2% | 149K | $146,493 |
| Vanguard Fiduciary Trust Co Index funds | +58K +19.0% | 364K | $356,675 |
| Northern Trust Corp Index funds | +41K +42.4% | 139K | $136,016 |
| UBS Group AG | +36K +112.0% | 69K | $67,495 |
| Goldman Sachs Group Inc | +33K +89.2% | 71K | $69,111 |
| Landscape Capital Management, L.L.C. | +26K New position | 26K | $25,349 |
| Morgan Stanley | +24K +14.0% | 198K | $193,952 |
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| Acadian Asset Management LLC Active manager | +1.1M +546.5% | 1.3M | $1.3M |
| Boothbay Fund Management, LLC Hedge fund | +772K New position | 772K | $756,873 |
| Two Sigma Investments, LP Hedge fund | +741K +61.3% | 1.9M | $1.9M |
| Citadel Advisors LLC Hedge fund | +691K +216.9% | 1.0M | $989,026 |
| Marshall Wace, LLP Hedge fund | +450K +189.6% | 687K | $673,616 |
| Jacobs Levy Equity Management, Inc Active manager | +241K +29.9% | 1.0M | $1M |
| D. E. Shaw & Co., Inc. Hedge fund | +229K +71.6% | 548K | $537,489 |
| FMR LLC Active manager | +100 +7.7% | 1,400 | $1,372 |
Biggest sellers
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| Aberdeen Group PLC | −918K Sold out | 0 | — |
| Blackrock, Inc. Index funds | −846K −46.0% | 995K | $974,860 |
| Millennium Management LLC Hedge fund | −297K −20.3% | 1.2M | $1.1M |
| Susquehanna International Group, LLP | −134K −85.0% | 24K | $23,153 |
| Nine Masts Capital Ltd | −42K Sold out | 0 | — |
| Renaissance Technologies LLC Hedge fund | −38K −2.8% | 1.3M | $1.3M |
| Bridgeway Capital Management, LLC Active manager | −35K −31.3% | 77K | $75,370 |
| Geode Capital Management, LLC Index funds | −32K −5.2% | 585K | $573,401 |
| Prudential Financial Inc | −30K Sold out | 0 | — |
| Panagora Asset Management Inc Active manager | −29K Sold out | 0 | — |
| LPL Financial LLC | −23K Sold out | 0 | — |
| Virtu Financial LLC | −18K Sold out | 0 | — |
| Bank Of America Corp | −8,429 −14.7% | 49K | $48,118 |
| Vanguard Personalized Indexing Management, LLC Index funds | −3,400 −15.9% | 18K | $17,602 |
| Tower Research Capital LLC (TRC) | −2,514 −49.7% | 2,549 | $2,498 |
| Stifel Financial Corp | −1,200 −1.7% | 68K | $66,838 |
| Federated Hermes, Inc. Active manager | −313 −7.3% | 3,982 | $3,903 |
| Caitong International Asset Management Co., Ltd | −1 −50.0% | 1 | $1 |
| Citigroup Inc | −1 Sold out | 0 | — |
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| Millennium Management LLC Hedge fund | −297K −20.3% | 1.2M | $1.1M |
| Renaissance Technologies LLC Hedge fund | −38K −2.8% | 1.3M | $1.3M |
| Bridgeway Capital Management, LLC Active manager | −35K −31.3% | 77K | $75,370 |
| Panagora Asset Management Inc Active manager | −29K Sold out | 0 | — |
| Federated Hermes, Inc. Active manager | −313 −7.3% | 3,982 | $3,903 |
New positions
| Institution | Shares | Value June 30, 2026 |
|---|---|---|
| Kalehua Capital Management LLC | 910K | $891,648 |
| Boothbay Fund Management, LLCHedge fund | 772K | $756,873 |
| Mizuho Securities Usa LLC | 206K | $201,509 |
| HRT Financial LP | 165K | $161,000 |
| Landscape Capital Management, L.L.C. | 26K | $25,349 |
| R Squared Ltd | 18K | $17,995 |
Sold out
| Institution | Shares | Value March 31, 2026 |
|---|---|---|
| Aberdeen Group PLC | 918K | $927,200 |
| Nine Masts Capital Ltd | 42K | $42,157 |
| Prudential Financial Inc | 30K | $30,098 |
| Panagora Asset Management IncActive manager | 29K | $29,085 |
| LPL Financial LLC | 23K | $22,725 |
| Virtu Financial LLC | 18K | $18,000 |
| Citigroup Inc | 1 | $1 |
Who holds the shares
- Institutions reporting
- 59
- Ten largest holders
- 73.2% of 13F-reported shares
- Index fund managers
- 12.3% of 13F-reported shares
- Active managers and hedge funds
- 35.2% of 13F-reported shares
| Type | Bought | Sold | New | Sold out | Net change in shares | Net % |
|---|---|---|---|---|---|---|
| Active managers and hedge funds | 8 | 5 | 1 | 1 | +3.8M | +42.8% |
| Index fund managers | 3 | 3 | 0 | 0 | −778K | −14.8% |
| Other institutions | 17 | 11 | 5 | 6 | +726K | +4.0% |