REGENXBIO Inc.

RGNX

Exchange: Nasdaq
Industry: Biological Products, (No Diagnostic Substances)
SEC CIK: 0001590877

SEC filings (opens in a new tab)

In the last 90 days, REGENXBIO Inc. insiders filed 1 open-market purchase and 0 sales; 165 institutions reported holding it in 13F filings for Q2 2026, worth $504.6M in total; no superinvestor holds it.

Q2 2025 vs. Q1 2025

How the institutions holding REGENXBIO Inc. changed between Q1 2025 and Q2 2025.

All holders in Q2 2025 All holders in Q1 2025

13F holders of RGNX: Q1 2025 compared with Q2 2025
Measure	Q1 2025	Of which not filed for Q2 2025	Q2 2025	Change
Holders	164	2	159	−3
Shares	41.7M	31.8K	42.0M	+374.7K (+0.9%)
Value	$298.0M	$227.6K	$344.9M	+$47.2M (+15.9%)

2 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so the changes leave them out.

New holders (25)

Institutions that held REGENXBIO Inc. at the end of Q2 2025 but not at the end of Q1 2025.

Institutions new to RGNX in Q2 2025
Institution	Shares	Value	% of portfolio
Y-Intercept (Hong Kong) Ltd	176,999	$1.45M	0.04%
Nebula Research & Development LLC	151,293	$1.24M	0.11%
Los Angeles Capital Management LLC	125,408	$1.03M	0.00%
Rafferty Asset Management, LLC	60,655	$498.0K	0.00%
Bradley Foster & Sargent Inc	54,887	$450.6K	0.01%
Lazard Asset Management LLC	45,398	$372.0K	0.00%
Virtu Financial LLC	29,543	$243.0K	0.01%
Franklin Resources Inc	29,101	$238.9K	0.00%
Alps Advisors Inc	27,045	$222.0K	0.00%
Rockefeller Capital Management L.P.	26,773	$219.8K	0.00%
Militia Capital Partners, LP	23,600	$193.8K	0.09%
Polymer Capital Management (US) LLC	23,411	$192.2K	0.03%
Massachusetts Financial Services Co	20,500	$168.3K	0.00%
Russell Investments Group, Ltd.	15,658	$128.6K	0.00%
Headlands Technologies LLC	13,139	$107.9K	0.01%
Profund Advisors LLC	12,921	$106.1K	0.00%
Mariner, LLC	12,904	$105.9K	0.00%
Prudential Financial Inc	10,631	$87.3K	0.00%
Captrust Financial Advisors	10,414	$85.5K	0.00%
Essential Partners LLC	1,833	$15.0K	0.01%
Nisa Investment Advisors, LLC	1,601	$13.1K	0.00%
Country Trust Bank	1,000	$8.21K	0.00%
UMA Financial Services, Inc.	113	$928	0.00%
Global Retirement Partners, LLC	22	$181	0.00%
Clearstead Advisors, LLC	6	$50	0.00%

Sold out (28)

Institutions that held REGENXBIO Inc. at the end of Q1 2025 and filed for Q2 2025 without it.

Institutions that sold out of RGNX in Q2 2025
Institution	Shares, Q1 2025	Value, Q1 2025
Cubist Systematic Strategies, LLC	357,792	$2.56M
Aquilo Capital Management, LLC	271,302	$1.94M
Avidity Partners Management LP	260,000	$1.86M
HRT Financial LP	183,424	$1.31M
Campbell & CO Investment Adviser LLC	155,887	$1.11M
PDT Partners, LLC	102,516	$733.0K
Point72 Asia (Singapore) Pte. Ltd.	65,876	$471.0K
ExodusPoint Capital Management, LP	62,052	$444.0K
Jain Global LLC	42,268	$302.2K
XTX Topco Ltd	35,953	$257.1K
Sigma Planning Corp	35,860	$256.4K
Tudor Investment Corp Et Al	24,123	$172.5K
Corebridge Financial, Inc.	22,786	$162.9K
Corton Capital Inc.	20,528	$146.8K
Brevan Howard Capital Management LP	17,373	$124.2K
Verition Fund Management LLC	15,579	$111.4K
Entropy Technologies, LP	14,986	$107.2K
Point72 (DIFC) Ltd	11,224	$80.3K
CIBC World Markets Corp	10,320	$73.8K
Skopos Labs, Inc.	5,583	$39.9K
Group One Trading, L.P.	5,566	$39.8K
Farther Finance Advisors, LLC	2,382	$16.1K
Quadrant Capital Group LLC	734	$5.25K
Point72 Hong Kong Ltd	400	$2.86K
Caitong International Asset Management Co., Ltd	185	$1.32K
Coldstream Capital Management Inc	81	$580
Parkside Financial Bank & Trust	70	$501
Larson Financial Group LLC	4	$29

Not filed for Q2 2025 yet (2)

Institutions that held REGENXBIO Inc. at the end of Q1 2025 and haven't filed a 13F for Q2 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding RGNX in Q1 2025 that haven't filed for Q2 2025
Institution	Shares, Q1 2025	Value, Q1 2025
Napatree Capital LLC	31,675	$226.5K
Lindbrook Capital, LLC	153	$1.09K