Regenxbio
RGNX
164 hedge funds and large institutions have $298M invested in Regenxbio in 2025 Q1 according to their latest regulatory filings, with 33 funds opening new positions, 52 increasing their positions, 53 reducing their positions, and 44 closing their positions.
50% more funds holding in top 10
Funds holding in top 10: 2 → 3 (+1)
2% less repeat investments, than reductions
Existing positions increased: 52 | Existing positions reduced: 53
1.77% less ownership
Funds ownership: 84.96% → 83.18% (-1.8%)
7% less funds holding
Funds holding: 177 → 164 (-13)
8% less capital invested
Capital invested by funds: $325M → $298M (-$27.4M)
25% less first-time investments, than exits
New positions opened: 33 | Existing positions closed: 44
31% less call options, than puts
Call options by funds: $566K | Put options by funds: $818K
Top Buyers
| 1 |
2L
22NW LP
Seattle,
Washington
|
+$4.97M |
| 2 |
AQR Capital Management
Greenwich,
Connecticut
|
+$4.42M |
| 3 |
Vanguard Group
Malvern,
Pennsylvania
|
+$3.62M |
| 4 |
Citadel Advisors
Miami,
Florida
|
+$3.29M |
| 5 |
EAM
Exome Asset Management
New York
|
+$3.01M |
Top Sellers
| 1 |
State Street
Boston,
Massachusetts
|
-$8.33M |
| 2 |
Millennium Management
New York
|
-$7.36M |
| 3 |
Adage Capital Partners
Boston,
Massachusetts
|
-$3.87M |
| 4 |
Norges Bank
Oslo,
Norway
|
-$3.47M |
| 5 |
RI
RTW Investments
New York
|
-$2.71M |
| Name | Holding | Trade Value |
Shares Change |
Change in Stake |
|
|---|---|---|---|---|---|
|
WT
201
Washington Trust
Westerly,
Rhode Island
| – | -$1.45K | -187 | Closed |
|
202
Nisa Investment Advisors
St. Louis,
Missouri
| – | -$301 | -39 | Closed |
|
|
MPWT
203
MassMutual Private Wealth & Trust
Windsor,
Connecticut
| – | -$294 | -38 | Closed |
|
|
FMII
204
Farmers & Merchants Investments Inc
Lincoln,
Nebraska
| – | -$193 | -25 | Closed |
|
|
SAM
205
Smartleaf Asset Management
Boston,
Massachusetts
| – | -$36 | -5 | Closed |
|
|
TCM
206
Tradewinds Capital Management
Bellingham,
Washington
| – | -$24 | -3 | Closed |
|
RGNX Hedge Fund Activity: Q1 2025 in Review
164 of the 7,457 institutional investors tracked by Wall St. Rank reported a position in Regenxbio (RGNX) for Q1 2025, worth a combined $298M — down 8.4% from $325M a quarter earlier.
Sellers outnumbered buyers: 44 funds closed out of RGNX and 33 opened new positions — a net loss of 11 holders — while 53 trimmed existing stakes and 52 added.
The largest buyer was 22NW LP, opening a new position worth an estimated $4.97M. The largest seller was State Street, cutting an estimated $8.33M.
- 164 institutional investors held Regenxbio (RGNX) as of Q1 2025, down from 177 in Q4 2024.
- Funds reported $298M of Regenxbio stock for Q1 2025, down 8.4% quarter-over-quarter.
- 33 funds opened new Regenxbio positions in Q1 2025 and 44 closed out, a net change of -11 holders.
- The largest Regenxbio buyer in Q1 2025 was 22NW LP, an estimated $4.97M added.
- The largest Regenxbio seller in Q1 2025 was State Street, an estimated $8.33M sold.
Based on aggregated 13F filings for Q1 2025.