Gain Therapeutics, Inc.: which funds bought and sold
Institutions that bought and sold Gain 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, 27 institutions that filed 13F reports for both quarters added to or opened positions in Gain Therapeutics, and 13 cut or closed them. Together they added a net 1.0M shares, +12.7% on what they held at the start of the quarter. Active managers and hedge funds on our list were net buyers of 395K shares (+16.4%); index fund managers were net buyers of 121K shares (+7.7%). 12 opened a new position and 4 sold out entirely.
Bought, Q2 2026 27 institutions, 12 of them new holders Sold, Q2 2026 13 institutions, 4 of them sold out
Net change, all compared +1.0M shares (+12.7%)
Net change, active managers +395K shares (+16.4%), 3 bought, 1 sold
Buyers versus sellers
27 bought 13 13 sold
Active managers and hedge funds 3 bought · 1 sold · +395K
Index fund managers 4 bought · 1 sold · +121K
Other institutions 20 bought · 11 sold · +518K
Biggest buyers
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| Cambridge Investment Research Advisors, Inc. | +569K +100.0% | 1.1M | $2.3M |
| Gsa Capital Partners LLP | +320K +102.3% | 632K | $1.3M |
| Marshall Wace, LLP Hedge fund | +154K +8.7% | 1.9M | $3.9M |
| Squarepoint Ops LLC Hedge fund | +136K New position | 136K | $276,809 |
| Citadel Advisors LLC Hedge fund | +130K +520.6% | 155K | $313,684 |
| Vanguard Capital Management LLC Index funds | +80K +20.1% | 480K | $974,946 |
| Stratos Wealth Partners, Ltd. | +68K +52.0% | 200K | $406,000 |
| Xtx Topco Ltd | +55K New position | 55K | $112,247 |
| Blackrock, Inc. Index funds | +50K +22.2% | 275K | $558,163 |
| Commonwealth Equity Services, LLC | +29K +96.8% | 58K | $118,670 |
| Benedict Financial Advisors Inc | +20K +125.8% | 35K | $71,050 |
| Hightower Advisors, LLC | +17K New position | 17K | $34,863 |
| LPL Financial LLC | +13K +12.5% | 117K | $238,020 |
| Hb Wealth Management, LLC | +13K New position | 13K | $25,949 |
| Two Sigma Securities, LLC | +13K New position | 13K | $25,860 |
| Harbour Investments, Inc. | +11K New position | 11K | $21,812 |
| Virtu Financial LLC | +10K +96.7% | 21K | $43,000 |
| Mercer Global Advisors Inc | +10K New position | 10K | $20,300 |
| Sanctuary Advisors, LLC | +10K New position | 10K | $20,300 |
| Geode Capital Management, LLC Index funds | +6,159 +1.4% | 454K | $921,372 |
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| Marshall Wace, LLP Hedge fund | +154K +8.7% | 1.9M | $3.9M |
| Squarepoint Ops LLC Hedge fund | +136K New position | 136K | $276,809 |
| Citadel Advisors LLC Hedge fund | +130K +520.6% | 155K | $313,684 |
Biggest sellers
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| Susquehanna International Group, LLP | −353K −81.9% | 78K | $158,758 |
| Jane Street Group, LLC | −161K −74.4% | 56K | $112,925 |
| Potomac Capital Management, Inc. | −62K −6.2% | 946K | $1.9M |
| Schonfeld Strategic Advisors LLC Hedge fund | −25K Sold out | 0 | — |
| Jones Financial Companies LLLP | −23K −3.6% | 609K | $1.1M |
| Northern Trust Corp Index funds | −17K −14.9% | 97K | $196,936 |
| Morgan Stanley | −14K −9.8% | 126K | $255,723 |
| Simplex Trading, LLC | −13K Sold out | 0 | — |
| Kestra Advisory Services, LLC | −12K Sold out | 0 | — |
| UBS Group AG | −5,477 −2.5% | 215K | $436,475 |
| Group One Trading LLC | −2,596 −40.5% | 3,808 | $7,730 |
| Wells Fargo & Company | −1,650 −14.9% | 9,400 | $19,082 |
| Citigroup Inc | −1 Sold out | 0 | — |
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| Schonfeld Strategic Advisors LLC Hedge fund | −25K Sold out | 0 | — |
New positions
| Institution | Shares | Value June 30, 2026 |
|---|---|---|
| Squarepoint Ops LLCHedge fund | 136K | $276,809 |
| Xtx Topco Ltd | 55K | $112,247 |
| Hightower Advisors, LLC | 17K | $34,863 |
| Hb Wealth Management, LLC | 13K | $25,949 |
| Two Sigma Securities, LLC | 13K | $25,860 |
| Harbour Investments, Inc. | 11K | $21,812 |
| Mercer Global Advisors Inc | 10K | $20,300 |
| Sanctuary Advisors, LLC | 10K | $20,300 |
| Osaic Holdings, Inc. | 2,000 | $4,060 |
| Arax Advisory Partners | 1,700 | $3,451 |
Sold out
| Institution | Shares | Value March 31, 2026 |
|---|---|---|
| Schonfeld Strategic Advisors LLCHedge fund | 25K | $47,530 |
| Simplex Trading, LLC | 13K | $26,071 |
| Kestra Advisory Services, LLC | 12K | $23,280 |
| Citigroup Inc | 1 | $2 |
Who holds the shares
- Institutions reporting
- 49
- Ten largest holders
- 78.7% of 13F-reported shares
- Index fund managers
- 18.4% of 13F-reported shares
- Active managers and hedge funds
- 30.5% of 13F-reported shares
| Type | Bought | Sold | New | Sold out | Net change in shares | Net % |
|---|---|---|---|---|---|---|
| Active managers and hedge funds | 3 | 1 | 1 | 1 | +395K | +16.4% |
| Index fund managers | 4 | 1 | 0 | 0 | +121K | +7.7% |
| Other institutions | 20 | 11 | 11 | 3 | +518K | +12.4% |