Jane Street
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Jane Street’s Regenxbio RGNX Stock Holding History

Jane Street’s Portfolio RGNX Stock Details RGNX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$256K Sell
21,400
-8,000
-27% -$66.4K ﹤0.01% 9555
2026
Q1 		$246K Buy
29,400
+11,100
+61% +$117K ﹤0.01% 9662
2025
Q4 		$264K Sell
18,300
-18,200
-50% -$227K ﹤0.01% 9123
2025
Q3 		$352K Buy
36,500
+7,300
+25% +$64.6K ﹤0.01% 8601
2025
Q2 		$240K Buy
+29,200
New +$244K ﹤0.01% 8240
2024
Q2 		– Sell
-18,300
Closed -$386K – 10055
2024
Q1 		$386K Buy
+18,300
New +$326K ﹤0.01% 7146
2023
Q3 		– Sell
-15,100
Closed -$302K – 9256
2023
Q2 		$302K Buy
+15,100
New +$291K ﹤0.01% 7112
2023
Q1 		– Sell
-33,000
Closed -$748K – 9773
2022
Q4 		$748K Sell
33,000
-1,000
-3% -$22.6K ﹤0.01% 5467
2022
Q3 		$899K Buy
34,000
+400
+1% +$11.9K ﹤0.01% 5598
2022
Q2 		$830K Buy
33,600
+26,300
+360% +$657K ﹤0.01% 5826
2022
Q1 		$242K Sell
7,300
-16,100
-69% -$447K ﹤0.01% 8742
2021
Q4 		$765K Sell
23,400
-6,800
-23% -$232K ﹤0.01% 6447
2021
Q3 		$1.27M Buy
30,200
+10,300
+52% +$371K ﹤0.01% 5436
2021
Q2 		$773K Buy
+19,900
New +$712K ﹤0.01% 6386
2021
Q1 		– Sell
-6,500
Closed -$295K – 9504
2020
Q4 		$295K Sell
6,500
-25,500
-80% -$891K ﹤0.01% 6445
2020
Q3 		$881K Buy
32,000
+25,500
+392% +$831K ﹤0.01% 4304
2020
Q2 		$239K Buy
+6,500
New +$242K ﹤0.01% 6155

Other funds holding RGNX

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
RG
Redmile Group San Francisco, California $1.49B AUM 208.7% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Marshall Wace
Marshall Wace London, United Kingdom $127B AUM 46.06% 1-Year Est. Return

Jane Street's RGNX Position: Q2 2026 in Review

Jane Street increased its Regenxbio (RGNX) stake by 140% in Q2 2026, buying an estimated $1.23M and bringing the position to 253,493 shares worth $3.04M. The position accounts for ﹤0.01% of the portfolio, ranked #4490.

Jane Street first reported a position in RGNX in Q3 2017 and has held it in 25 quarters since. The position peaked at $3.92M in Q4 2020. 165 funds tracked by Wall St. Rank hold RGNX as of Q2 2026.

  • Jane Street held 253,493 shares of Regenxbio worth $3.04M as of Q2 2026.
  • Jane Street bought 147,945 Regenxbio shares in Q2 2026, an estimated $1.23M.
  • Regenxbio made up ﹤0.01% of Jane Street's portfolio in Q2 2026, its #4490 holding.
  • Jane Street first reported a position in Regenxbio in Q3 2017 and has held it in 25 quarters since.
  • Jane Street's Regenxbio position peaked at $3.92M in Q4 2020.
  • 165 funds tracked by Wall St. Rank held Regenxbio as of Q2 2026.

Based on Jane Street's 13F filing for Q2 2026, filed 14 Aug 2026.