Regenxbio Inc.: which funds bought and sold
Institutions that bought and sold Regenxbio 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, 85 institutions that filed 13F reports for both quarters added to or opened positions in Regenxbio, and 86 cut or closed them. Together they sold a net 201K shares, −0.5% on what they held at the start of the quarter. Active managers and hedge funds on our list were net buyers of 1.5M shares (+24.7%); index fund managers were net buyers of 1.4M shares (+10.3%). 24 opened a new position and 34 sold out entirely.
Bought, Q2 2026 85 institutions, 24 of them new holders Sold, Q2 2026 86 institutions, 34 of them sold out
Net change, all compared −201K shares (−0.5%)
Net change, active managers +1.5M shares (+24.7%), 20 bought, 21 sold
Buyers versus sellers
85 bought 24 86 sold
Active managers and hedge funds 20 bought · 21 sold · +1.5M
Index fund managers 8 bought · 2 sold · +1.4M
Other institutions 57 bought · 63 sold · −3.1M
Biggest buyers
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| Marshall Wace, LLP Hedge fund | +1.3M New position | 1.3M | $15.4M |
| Citadel Advisors LLC Hedge fund | +669K New position | 669K | $8M |
| Blackrock, Inc. Index funds | +615K +10.6% | 6.4M | $76.6M |
| D. E. Shaw & Co., Inc. Hedge fund | +427K +149.2% | 713K | $8.5M |
| Lazard Asset Management LLC Active manager | +370K New position | 370K | $4.4M |
| Vanguard Portfolio Management LLC Index funds | +337K +33.0% | 1.4M | $16.2M |
| AQR Capital Management LLC Hedge fund | +327K +31.1% | 1.4M | $16.5M |
| Quantinno Capital Management LP | +256K +582.9% | 300K | $3.6M |
| State Street Corp Index funds | +240K +8.8% | 3.0M | $35.6M |
| Corient Private Wealth LP | +218K New position | 218K | $2.6M |
| Walleye Capital LLC Hedge fund | +204K New position | 204K | $2.4M |
| Millennium Management LLC Hedge fund | +196K +68.6% | 481K | $5.8M |
| Bank Of America Corp | +194K +59.6% | 519K | $6.2M |
| Susquehanna International Group, LLP | +174K +190.8% | 265K | $3.2M |
| Stifel Financial Corp | +168K +42.8% | 561K | $6.7M |
| Nuveen, LLC | +158K +27.1% | 740K | $8.9M |
| Jane Street Group, LLC | +148K +140.2% | 253K | $3M |
| Two Sigma Investments, LP Hedge fund | +115K +20.7% | 670K | $8M |
| Geode Capital Management, LLC Index funds | +104K +9.1% | 1.2M | $14.9M |
| Vanguard Capital Management LLC Index funds | +100K +5.0% | 2.1M | $25.2M |
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| Marshall Wace, LLP Hedge fund | +1.3M New position | 1.3M | $15.4M |
| Citadel Advisors LLC Hedge fund | +669K New position | 669K | $8M |
| D. E. Shaw & Co., Inc. Hedge fund | +427K +149.2% | 713K | $8.5M |
| Lazard Asset Management LLC Active manager | +370K New position | 370K | $4.4M |
| AQR Capital Management LLC Hedge fund | +327K +31.1% | 1.4M | $16.5M |
| Walleye Capital LLC Hedge fund | +204K New position | 204K | $2.4M |
| Millennium Management LLC Hedge fund | +196K +68.6% | 481K | $5.8M |
| Two Sigma Investments, LP Hedge fund | +115K +20.7% | 670K | $8M |
| Schroder Investment Management Group Active manager | +91K New position | 91K | $1.1M |
| Trexquant Investment LP Hedge fund | +86K New position | 86K | $1M |
Biggest sellers
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| Qube Research & Technologies Ltd Hedge fund | −1.3M Sold out | 0 | — |
| Jpmorgan Chase & Co | −1.3M −36.4% | 2.2M | $26.2M |
| Integral Health Asset Management, LLC | −700K −46.7% | 800K | $9.6M |
| Assenagon Asset Management S.A. | −642K −65.5% | 339K | $4.1M |
| Goldman Sachs Group Inc | −418K −22.7% | 1.4M | $17M |
| HRT Financial LP | −351K Sold out | 0 | — |
| Voss Capital, LP Hedge fund | −296K Sold out | 0 | — |
| Dimensional Fund Advisors LP | −279K −27.6% | 732K | $8.8M |
| Prosight Management, LP | −200K Sold out | 0 | — |
| Man Group PLC Hedge fund | −188K Sold out | 0 | — |
| Point72 Asset Management, L.P. Hedge fund | −140K Sold out | 0 | — |
| Exoduspoint Capital Management, LP Hedge fund | −115K Sold out | 0 | — |
| Morgan Stanley | −113K −5.5% | 2.0M | $23.4M |
| Vestal Point Capital, LP Hedge fund | −109K Sold out | 0 | — |
| Panagora Asset Management Inc Active manager | −102K Sold out | 0 | — |
| Militia Capital Management LLC | −101K Sold out | 0 | — |
| Ameriprise Financial Inc | −100K −50.1% | 100K | $1.2M |
| Centiva Capital, LP Hedge fund | −100K Sold out | 0 | — |
| Jefferies Financial Group Inc. | −95K Sold out | 0 | — |
| Y-Intercept (Hong Kong) Ltd | −94K −34.0% | 181K | $2.2M |
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| Qube Research & Technologies Ltd Hedge fund | −1.3M Sold out | 0 | — |
| Voss Capital, LP Hedge fund | −296K Sold out | 0 | — |
| Man Group PLC Hedge fund | −188K Sold out | 0 | — |
| Point72 Asset Management, L.P. Hedge fund | −140K Sold out | 0 | — |
| Exoduspoint Capital Management, LP Hedge fund | −115K Sold out | 0 | — |
| Vestal Point Capital, LP Hedge fund | −109K Sold out | 0 | — |
| Panagora Asset Management Inc Active manager | −102K Sold out | 0 | — |
| Centiva Capital, LP Hedge fund | −100K Sold out | 0 | — |
| Renaissance Technologies LLC Hedge fund | −49K −15.9% | 257K | $3.1M |
| ADAR1 Capital Management, LLC Hedge fund | −44K Sold out | 0 | — |
New positions
| Institution | Shares | Value June 30, 2026 |
|---|---|---|
| Marshall Wace, LLPHedge fund | 1.3M | $15.4M |
| Citadel Advisors LLCHedge fund | 669K | $8M |
| Lazard Asset Management LLCActive manager | 370K | $4.4M |
| Corient Private Wealth LP | 218K | $2.6M |
| Walleye Capital LLCHedge fund | 204K | $2.4M |
| Schroder Investment Management GroupActive manager | 91K | $1.1M |
| Trexquant Investment LPHedge fund | 86K | $1M |
| Simplex Trading, LLC | 49K | $589,943 |
| Newedge Wealth, LLC | 48K | $571,446 |
| Aquatic Capital Management LLC | 44K | $527,096 |
Sold out
| Institution | Shares | Value March 31, 2026 |
|---|---|---|
| Qube Research & Technologies LtdHedge fund | 1.3M | $11M |
| HRT Financial LP | 351K | $2.9M |
| Voss Capital, LPHedge fund | 296K | $2.5M |
| Prosight Management, LP | 200K | $1.7M |
| Man Group PLCHedge fund | 188K | $1.6M |
| Point72 Asset Management, L.P.Hedge fund | 140K | $1.2M |
| Exoduspoint Capital Management, LPHedge fund | 115K | $967,421 |
| Vestal Point Capital, LPHedge fund | 109K | $909,440 |
| Panagora Asset Management IncActive manager | 102K | $855,933 |
| Militia Capital Management LLC | 101K | $842,190 |
Who holds the shares
- Institutions reporting
- 162
- Ten largest holders
- 60.2% of 13F-reported shares
- Index fund managers
- 36.3% of 13F-reported shares
- Active managers and hedge funds
- 17.4% of 13F-reported shares
| Type | Bought | Sold | New | Sold out | Net change in shares | Net % |
|---|---|---|---|---|---|---|
| Active managers and hedge funds | 20 | 21 | 9 | 14 | +1.5M | +24.7% |
| Index fund managers | 8 | 2 | 0 | 0 | +1.4M | +10.3% |
| Other institutions | 57 | 63 | 15 | 20 | −3.1M | −13.6% |