REGENXBIO Inc. (RGNX) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

0Shares Outstanding

423,171Shares held by institutions

$3,281,691Value of institutional holdings

81.37%Institutional ownership %

4.43%Shares Changed QoQ

156No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

REGENXBIO Inc. (NASDAQ:RGNX) has 168 institutional investors with active 13F positions as of December 2025.

Collectively, these holders controlled 79.7% of Regenxbio's outstanding shares in December 2025, down from 90.1% in September 2025.
They decreased total shares held in RGNX by -9.88% quarter over quarter, and investors in Regenxbio decreased 4.0% from a year ago.
Of these 168 holders, 82 added to their stakes in Regenxbio, 60 trimmed positions, and 26 made no changes.
Institutional investors collectively held 41.18Mn shares in Regenxbio as of December 2025, down by 4.51Mn shares quarter on quarter, and down 3.43Mn shares year over year.
BlackRock, Inc. holds the largest position in RGNX at 5.76Mn shares as of December 31, 2025, or 11.14% of shares outstanding.
The most significant purchases of RGNX for the quarter ending December 2025 came from Assenagon Asset Management S.A. (454.98K), Morgan Stanley (310.52K), State Street Corp (301.86K), GSK plc (271.46K), Pale Fire Capital SE (243.92K).
The largest sellers of Regenxbio for the quarter ending December 2025 were Jpmorgan Chase & Co (4.52Mn), Voss Capital, LP (780.0K), BlackRock, Inc. (614.08K), Bank Of America Corp /De/ (530.0K), Redmile Group, LLC (324.58K).
Per Business Quant data, the top 10 holders of Regenxbio for the quarter ending December 2025 are BlackRock, Inc. (5.76Mn), Redmile Group, LLC (4.37Mn), Jpmorgan Chase & Co (3.55Mn), VANGUARD GROUP INC (3.37Mn), State Street Corp (2.29Mn), Morgan Stanley (2.01Mn), Goldman Sachs Group Inc (1.79Mn), AQR CAPITAL MANAGEMENT LLC (1.36Mn), Integral Health Asset Management, LLC (1.2Mn), Assenagon Asset Management S.A. (1.16Mn).

168 Institutional Holders

423,171 Total Shares Held

Rows:

Download Data

Owner Name	Date	Change (QoQ)	Change (%)	Value (USD)
BlackRock, Inc.	31 Dec, 2025	-614,082	-9.64%	$0.00
Redmile Group, LLC	31 Dec, 2025	-324,585	-6.92%	$0.00
Integral Health Asset Management, LLC	31 Dec, 2025	100,000	9.09%	$0.00
Barclays Plc	31 Dec, 2025	-177,543	-51.92%	$0.00
Jpmorgan Chase & Co	31 Dec, 2025	-4,520,994	-55.99%	$0.00
22NW, LP	31 Dec, 2025	0	0.00%	$0.00
HSBC HOLDINGS PLC	31 Dec, 2025	10,547	13.82%	$0.00
VANGUARD GROUP INC	31 Dec, 2025	36,042	1.08%	$0.00
Nuveen, LLC	31 Dec, 2025	106,363	19.26%	$0.00
Rockefeller Capital Management L.P.	31 Dec, 2025	28,667	107.07%	$0.00
State Street Corp	31 Dec, 2025	301,858	15.21%	$0.00
Pale Fire Capital SE	31 Dec, 2025	243,925	95.43%	$0.00
Morgan Stanley	31 Dec, 2025	310,520	18.22%	$0.00
Qube Research & Technologies Ltd	31 Dec, 2025	157,859	55.42%	$0.00
Goldman Sachs Group Inc	31 Dec, 2025	-66,777	-3.61%	$0.00
Voss Capital, LP	31 Dec, 2025	-780,000	-72.56%	$0.00
AQR CAPITAL MANAGEMENT LLC	31 Dec, 2025	72,307	5.61%	$0.00
ADAR1 Capital Management, LLC	31 Dec, 2025	84,287	41.03%	$0.00
Assenagon Asset Management S.A.	31 Dec, 2025	454,977	64.50%	$0.00
Trexquant Investment LP	31 Dec, 2025	-20,841	-7.68%	$0.00

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