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REGENXBIO Inc.

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

In the last 90 days, REGENXBIO Inc. insiders filed 1 open-market purchase and 2 sales; 165 institutions reported holding it in 13F filings for Q2 2026, worth $504.6M in total; no superinvestor holds it.

13F holders, Q3 2025

Institutional positions in REGENXBIO Inc. as of Sep 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
166
+8 vs. Q2 2025
Shares held
41.4M
−648.8K (−1.5%) vs. Q2 2025
Total value
$399.2M
+$54.3M (+15.7%) vs. Q2 2025
New holders
23
63 more added
Sold out
15
51 more reduced

1 institution that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting RGNX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ3 2025: 166 institutions
Q1 2021: 184 institutionsQ2 2021: 172 institutionsQ3 2021: 183 institutionsQ4 2021: 172 institutionsQ1 2022: 187 institutionsQ2 2022: 166 institutionsQ3 2022: 183 institutionsQ4 2022: 182 institutionsQ1 2023: 175 institutionsQ2 2023: 167 institutionsQ3 2023: 160 institutionsQ4 2023: 171 institutionsQ1 2024: 188 institutionsQ2 2024: 181 institutionsQ3 2024: 186 institutionsQ4 2024: 177 institutionsQ1 2025: 164 institutionsQ2 2025: 159 institutionsQ3 2025: 166 institutionsQ4 2025: 174 institutionsQ1 2026: 178 institutionsQ2 2026: 165 institutions
Value heldQ3 2025: $399.2M
Q1 2021: $1.12BQ2 2021: $1.30BQ3 2021: $1.40BQ4 2021: $1.16BQ1 2022: $1.16BQ2 2022: $895.7MQ3 2022: $926.6MQ4 2022: $808.9MQ1 2023: $700.0MQ2 2023: $742.1MQ3 2023: $610.3MQ4 2023: $684.3MQ1 2024: $896.6MQ2 2024: $511.9MQ3 2024: $458.1MQ4 2024: $325.2MQ1 2025: $298.0MQ2 2025: $344.9MQ3 2025: $399.2MQ4 2025: $593.1MQ1 2026: $355.1MQ2 2026: $504.6M
Institutions holding RGNX and their total value by quarter
QuarterHoldersValue
Q2 2026165$504.6M
Q1 2026178$355.1M
Q4 2025174$593.1M
Q3 2025166$399.2M
Q2 2025159$344.9M
Q1 2025164$298.0M
Q4 2024177$325.2M
Q3 2024186$458.1M
Q2 2024181$511.9M
Q1 2024188$896.6M
Q4 2023171$684.3M
Q3 2023160$610.3M
Q2 2023167$742.1M
Q1 2023175$700.0M
Q4 2022182$808.9M
Q3 2022183$926.6M
Q2 2022166$895.7M
Q1 2022187$1.16B
Q4 2021172$1.16B
Q3 2021183$1.40B
Q2 2021172$1.30B
Q1 2021184$1.12B

Institutions, Q3 2025

Shares, value and share of portfolio for each institution holding REGENXBIO Inc.; share changes are against Q2 2025.

Institutions holding RGNX in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock, Inc.6,370,893$61.5M0.00%−388,200−5.7%Reduced
Redmile Group, LLC4,693,389$45.3M4.41%−82,328−1.7%Reduced
JPMorgan Chase & Co4,037,248$39.0M0.00%+185,223+4.8%Added
Vanguard Group Inc3,338,098$32.2M0.00%−83,094−2.4%Reduced
State Street Corp1,984,878$19.2M0.00%+141,233+7.7%Added
Goldman Sachs Group Inc1,852,214$17.9M0.00%+67,708+3.8%Added
Morgan Stanley1,704,268$16.4M0.00%+709,512+71.3%Added
AQR Capital Management LLC1,289,655$12.4M0.01%+359,459+38.6%Added
Geode Capital Management, LLC1,125,548$10.9M0.00%−2,973−0.3%Reduced
Dimensional Fund Advisors LP1,105,027$10.7M0.00%−17,736−1.6%Reduced
Integral Health Asset Management, LLC1,100,000$10.6M0.77%+400,000+57.1%Added
22NW, LP923,679$8.91M4.64%00.0%Unchanged
Assenagon Asset Management S.A.705,403$6.81M0.01%+132,942+23.2%Added
Nuveen, LLC552,147$5.33M0.00%+131,898+31.4%Added
Voss Capital, LLC500,000$4.83M0.28%−75,000−13.0%Reduced
Invenomic Capital Management LP426,904$4.12M0.22%+426,904New
Bank of America Corp415,306$4.01M0.00%−157,193−27.5%Reduced
Northern Trust Corp401,010$3.87M0.00%+930+0.2%Added
Acadian Asset Management LLC399,132$3.85M0.01%+158,868+66.1%Added
Charles Schwab Investment Management Inc391,988$3.78M0.00%+4,485+1.2%Added
Stifel Financial Corp320,410$3.09M0.00%+9,303+3.0%Added
Renaissance Technologies LLC309,486$2.99M0.00%−425,714−57.9%Reduced
Jane Street Group, LLC291,162$2.81M0.00%+48,750+20.1%Added
Qube Research & Technologies Ltd284,831$2.75M0.00%−172,281−37.7%Reduced
Trexquant Investment LP271,539$2.62M0.03%−288,825−51.5%Reduced
UBS Group AG262,420$2.53M0.00%−45,454−14.8%Reduced
Pale Fire Capital SE255,601$2.47M0.27%+227,755+817.9%Added
Ameriprise Financial Inc242,078$2.34M0.00%−130,771−35.1%Reduced
Barclays PLC225,940$2.18M0.00%−13,595−5.7%Reduced
Botty Investors LLC223,528$2.16M0.59%+3,000+1.4%Added
Panagora Asset Management Inc206,773$2.00M0.01%+395+0.2%Added
Squarepoint Ops LLC206,407$1.99M0.00%−12,881−5.9%Reduced
ADAR1 Capital Management, LLC205,409$1.98M0.20%−2,409−1.2%Reduced
Hudson Bay Capital Management LP200,000$1.93M0.01%−20,000−9.1%Reduced
FMR LLC195,190$1.88M0.00%+23,671+13.8%Added
Deutsche Bank AG191,055$1.84M0.00%+3,790+2.0%Added
HRT Financial LP172,186$1.66M0.01%+172,186New
Ieq Capital, LLC158,804$1.53M0.00%+29,194+22.5%Added
Two Sigma Investments, LP154,286$1.49M0.00%−53,665−25.8%Reduced
Bank of New York Mellon Corp150,133$1.45M0.00%+6,023+4.2%Added
Moore Capital Management, LP150,000$1.45M0.03%00.0%Unchanged
Invesco Ltd.149,880$1.45M0.00%+36,671+32.4%Added
Macquarie Group Ltd149,000$1.44M0.00%00.0%Unchanged
Hennion & Walsh Asset Management, Inc.141,726$1.37M0.05%−12,766−8.3%Reduced
Susquehanna Portfolio Strategies, LLC133,556$1.29M0.02%+133,556New
Massachusetts Financial Services Co118,795$1.15M0.00%+98,295+479.5%Added
American Century Companies Inc118,655$1.15M0.00%+8,589+7.8%Added
Man Group plc112,398$1.08M0.00%+27,599+32.5%Added
Raymond James Financial Inc95,278$919.4K0.00%−16,219−14.5%Reduced
Los Angeles Capital Management LLC92,622$893.8K0.00%−32,786−26.1%Reduced
Susquehanna International Group, LLP91,308$881.1K0.00%−61,352−40.2%Reduced
Millennium Management LLC86,659$836.3K0.00%−25,290−22.6%Reduced
HSBC Holdings PLC76,331$745.0K0.00%−14,473−15.9%Reduced
DekaBank Deutsche Girozentrale74,600$728.0K0.00%00.0%Unchanged
Wells Fargo & Company73,519$709.5K0.00%+32,142+77.7%Added
Rhumbline Advisers73,024$704.7K0.00%+874+1.2%Added
Two Sigma Advisers, LP70,100$676.5K0.00%−54,800−43.9%Reduced
CWM, LLC68,035$657.0K0.00%+21,219+45.3%Added
Rafferty Asset Management, LLC65,859$635.5K0.00%+5,204+8.6%Added
Cerity Partners LLC65,277$629.9K0.00%+18,736+40.3%Added
Alliancebernstein L.P.64,730$624.6K0.00%00.0%Unchanged
Lion Point Capital, LP57,750$557.3K3.17%00.0%Unchanged
Janney Montgomery Scott LLC56,029$541.0K0.00%−1,564−2.7%Reduced
Cubist Systematic Strategies, LLC55,723$537.7K0.01%+55,723New
Citadel Advisors LLC55,523$535.8K0.00%−236,343−81.0%Reduced
Mirae Asset Global ETFs Holdings Ltd.55,233$533.7K0.00%−4,218−7.1%Reduced
Bradley Foster & Sargent Inc50,202$484.4K0.01%−4,685−8.5%Reduced
Jump Financial, LLC50,000$482.5K0.01%+19,576+64.3%Added
Royal Bank of Canada46,923$453.0K0.00%+40,101+587.8%Added
Quest Partners LLC42,904$414.0K0.03%+12,828+42.7%Added
Wealth Enhancement Advisory Services, LLC39,314$413.2K0.00%+8,684+28.4%Added
Price T Rowe Associates Inc38,992$377.0K0.00%+11,012+39.4%Added
Thrivent Financial for Lutherans35,003$338.0K0.00%+35,003New
LPL Financial LLC34,816$336.0K0.00%−3,222−8.5%Reduced
Mariner, LLC32,306$311.8K0.00%+19,402+150.4%Added
Engineers Gate Manager LP29,730$286.9K0.00%−22,083−42.6%Reduced
Graham Capital Management, L.P.29,308$282.8K0.01%−30,827−51.3%Reduced
Franklin Resources Inc28,871$278.6K0.00%−230−0.8%Reduced
Quantinno Capital Management LP27,346$263.9K0.00%+7,338+36.7%Added
Rockefeller Capital Management L.P.26,773$258.4K0.00%00.0%Unchanged
SG Americas Securities, LLC26,600$257.0K0.00%+26,600New
MetLife Investment Management26,240$253.2K0.00%00.0%Unchanged
Creative Planning25,913$250.1K0.00%+11,293+77.2%Added
Alps Advisors Inc24,717$238.5K0.00%−2,328−8.6%Reduced
Point72 Asia (Singapore) Pte. Ltd.23,858$230.2K0.04%+23,858New
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.23,654$228.3K0.00%+47+0.2%Added
Militia Capital Partners, LP23,600$227.7K0.11%00.0%Unchanged
SRS Capital Advisors, Inc.23,162$223.5K0.00%+23,116+50,252.2%Added
Mercer Global Advisors Inc19,916$192.2K0.00%+19,916New
State of Wisconsin Investment Board19,731$190.4K0.00%−84,072−81.0%Reduced
Intech Investment Management LLC19,040$183.7K0.00%−8,060−29.7%Reduced
DnB Asset Management AS17,923$173.0K0.00%−473−2.6%Reduced
BNP Paribas Arbitrage, SA17,724$171.0K0.00%+2,800+18.8%Added
Brevan Howard Capital Management LP16,392$158.2K0.00%+16,392New
Manufacturers Life Insurance Company, The15,656$151.1K0.00%−1,359−8.0%Reduced
Pallas Capital Advisors LLC15,160$146.3K0.01%−2,247−12.9%Reduced
SEI Investments Co15,031$145.0K0.00%+571+3.9%Added
Great West Life Assurance Co14,510$143.0K0.00%+3,671+33.9%Added
Profund Advisors LLC14,444$139.4K0.00%+1,523+11.8%Added
New York State Common Retirement Fund13,746$132.6K0.00%00.0%Unchanged