REGENXBIO Inc. (RGNX) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

51,689,000Shares Outstanding

43,032,917Shares held by institutions

$396,118,001Value of institutional holdings

83.25%Institutional ownership %

-6.52%Shares Changed QoQ

168No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

REGENXBIO Inc. (NASDAQ:RGNX) is held by 168 institutional investors per 13F filings through December 2025.

They owned 79.7% of outstanding stock in December 2025, down from 90.1% the prior quarter.
Their total shares held in RGNX decreased -9.88% from the prior quarter, while the number of investors in Regenxbio decreased 4.0% year over year.
During the quarter, 82 of these 168 funds increased positions in RGNX, 60 reduced exposure, and 26 held steady.
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. is the top holder of Regenxbio as of December 31, 2025, with 5.76Mn shares representing 11.14% of outstanding stock.
The biggest buyers of Regenxbio for the quarter ending December 2025 included Goldman Sachs Group Inc (1.72Mn), Assenagon Asset Management S.A. (454.98K), Morgan Stanley (310.52K), State Street Corp (301.86K), GSK plc (271.46K).
Leading sellers of Regenxbio shares 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), Barclays Plc (403.48K).
According to Business Quant data, leading holders of RGNX for December 2025 are BlackRock, Inc. (5.76Mn), Redmile Group, LLC (4.37Mn), Goldman Sachs Group Inc (3.57Mn), Jpmorgan Chase & Co (3.55Mn), VANGUARD GROUP INC (3.37Mn), State Street Corp (2.29Mn), Morgan Stanley (2.01Mn), AQR CAPITAL MANAGEMENT LLC (1.36Mn), Integral Health Asset Management, LLC (1.2Mn), Assenagon Asset Management S.A. (1.16Mn).

168 Institutional Holders

43,032,917 Total Shares Held

Rows:

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Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
BlackRock, Inc.	31 Dec, 2025	5,756,811	-614,082	-9.64%	$82,898,078.00
Redmile Group, LLC	31 Dec, 2025	4,368,804	-324,585	-6.92%	$62,910,778.00
Goldman Sachs Group Inc	31 Dec, 2025	3,570,874	1,718,660	92.79%	$51,420,586.00
Jpmorgan Chase & Co	31 Dec, 2025	3,553,502	-4,520,994	-55.99%	$51,170,429.00
VANGUARD GROUP INC	31 Dec, 2025	3,374,140	36,042	1.08%	$48,587,616.00
State Street Corp	31 Dec, 2025	2,286,736	301,858	15.21%	$32,928,998.00
Morgan Stanley	31 Dec, 2025	2,014,788	310,520	18.22%	$29,012,955.00
AQR CAPITAL MANAGEMENT LLC	31 Dec, 2025	1,361,962	72,307	5.61%	$19,612,253.00
Integral Health Asset Management, LLC	31 Dec, 2025	1,200,000	100,000	9.09%	$17,280,000.00
Assenagon Asset Management S.A.	31 Dec, 2025	1,160,380	454,977	64.50%	$16,709,472.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	1,145,206	19,658	1.75%	$16,495,225.00
22NW, LP	31 Dec, 2025	923,679	0	0.00%	$13,300,978.00
DIMENSIONAL FUND ADVISORS LP	31 Dec, 2025	903,851	-201,176	-18.21%	$13,014,235.00
Nuveen, LLC	31 Dec, 2025	658,510	106,363	19.26%	$9,482,544.00
Pale Fire Capital SE	31 Dec, 2025	499,526	243,925	95.43%	$7,193,174.00
Qube Research & Technologies Ltd	31 Dec, 2025	442,690	157,859	55.42%	$6,374,736.00
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	31 Dec, 2025	391,461	-527	-0.13%	$5,637,038.00
ACADIAN ASSET MANAGEMENT LLC	31 Dec, 2025	375,399	-23,733	-5.95%	$5,404.00
Northern Trust Corp	31 Dec, 2025	373,689	-27,321	-6.81%	$5,381,121.00
Stifel Financial Corp	31 Dec, 2025	335,046	14,636	4.57%	$4,824,676.00

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