Stock Ownership/RGNX

REGENXBIO INC (RGNX): Ownership & Insider Activity

Hedge funds and institutional managers reporting a position in RGNX · Health Care. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.

Reported Holders
13
13F filers
Aggregate Value
$72.4M
Across holders
Last Price
$8.05
2026-08-24
Sector
Health Care
GICS
Quarterly fund activity10 increased2 reduced5 exited
Full exits: Point72 Asset Management, L.P., Schonfeld Strategic Advisors LLC, Qube Research & Technologies Ltd, Squarepoint Ops LLC, Man Group plc
Institutional Holders of RGNX
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13 holders
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
Hedge Fund1.38M$16.5M22.8%0.0%Added+$15.5MQ2 2026
MARSHALL WACE, LLP
CIK 0001318757
Hedge Fund1.28M$15.4M21.3%0.0%Added—Q2 2026
SHAW D E & CO INC
CIK 0001009207
Hedge Fund713K$8.5M11.8%0.0%Added+$1.7MQ2 2026
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
Hedge Fund670K$8.0M11.1%0.0%Added+$1.4MQ2 2026
CITADEL ADVISORS LLC
CIK 0001423053
Hedge Fund669K$8.0M11.1%0.0%Added+$7.5MQ2 2026
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
Hedge Fund481K$5.8M8.0%0.0%Added+$2.3MQ2 2026
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
Hedge Fund257K$3.1M4.2%0.0%Reduced$-582KQ2 2026
Hudson Bay Capital Management LP
CIK 0001393825
Hedge Fund225K$2.7M3.7%0.0%Added+$539KQ2 2026
Walleye Capital LLC
CIK 0001758720
Hedge Fund204K$2.4M3.4%0.0%Added—Q2 2026
BALYASNY ASSET MANAGEMENT LLC
CIK 0001218710
Hedge Fund74K$887K1.2%0.0%Added+$747KQ2 2026
AQR CAPITAL MANAGEMENT LLCAdded
Hedge Fund
$16.5M· 22.8% of total· 0.0% port· 1.38M sh· +$15.5M QoQ· Q2 2026
MARSHALL WACE, LLPAdded
Hedge Fund
$15.4M· 21.3% of total· 0.0% port· 1.28M sh· — QoQ· Q2 2026
SHAW D E & CO INCAdded
Hedge Fund
$8.5M· 11.8% of total· 0.0% port· 713K sh· +$1.7M QoQ· Q2 2026
TWO SIGMA INVESTMENTS, LPAdded
Hedge Fund
$8.0M· 11.1% of total· 0.0% port· 670K sh· +$1.4M QoQ· Q2 2026
CITADEL ADVISORS LLCAdded
Hedge Fund
$8.0M· 11.1% of total· 0.0% port· 669K sh· +$7.5M QoQ· Q2 2026
MILLENNIUM MANAGEMENT LLCAdded
Hedge Fund
$5.8M· 8.0% of total· 0.0% port· 481K sh· +$2.3M QoQ· Q2 2026
RENAISSANCE TECHNOLOGIES LLCReduced
Hedge Fund
$3.1M· 4.2% of total· 0.0% port· 257K sh· $-582K QoQ· Q2 2026
Hudson Bay Capital Management LPAdded
Hedge Fund
$2.7M· 3.7% of total· 0.0% port· 225K sh· +$539K QoQ· Q2 2026
Walleye Capital LLCAdded
Hedge Fund
$2.4M· 3.4% of total· 0.0% port· 204K sh· — QoQ· Q2 2026
BALYASNY ASSET MANAGEMENT LLCAdded
Hedge Fund
$887K· 1.2% of total· 0.0% port· 74K sh· +$747K QoQ· Q2 2026
Brevan Howard Capital Management LPAdded
Hedge Fund
$397K· 0.5% of total· 0.0% port· 33K sh· +$171K QoQ· Q2 2026
Rockefeller Capital Management L.P.Unchanged
Hedge Fund
$377K· 0.5% of total· 0.0% port· 32K sh· $-585K QoQ· Q2 2026
TUDOR INVESTMENT CORP ET ALReduced
Hedge Fund
$286K· 0.4% of total· 0.0% port· 24K sh· $-5K QoQ· Q2 2026
1–10 of 13
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