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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 1 sale; 165 institutions reported holding it in 13F filings for Q2 2026, worth $504.6M in total; no superinvestor holds it.

13F holders, Q1 2026

Institutional positions in REGENXBIO Inc. as of Mar 31, 2026. 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
178
+7 vs. Q4 2025
Shares held
42.6M
+4.84M (+12.8%) vs. Q4 2025
Total value
$355.1M
−$189.1M (−34.7%) vs. Q4 2025
New holders
33
61 more added
Sold out
26
58 more reduced

3 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 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 holdersQ1 2026: 178 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 heldQ1 2026: $355.1M
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, Q1 2026

Shares, value and share of portfolio for each institution holding REGENXBIO Inc.; share changes are against Q4 2025.

Institutions holding RGNX in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Covestor Ltd7$00.00%−1,523−99.5%Reduced
Twin Peaks Wealth Advisors, LLC5$420.00%+5New
Silicon Valley Capital Partners12$1010.00%+12New
SJS Investment Consulting Inc.19$1600.00%−33−63.5%Reduced
Sunbelt Securities, Inc.55$4610.00%00.0%Unchanged
Fortitude Family Office, LLC58$4860.00%+58New
Parallel Advisors, LLC67$5610.00%00.0%Unchanged
Harbour Investments, Inc.93$7790.00%00.0%Unchanged
TD Waterhouse Canada Inc.100$8580.00%+100New
Basecamp Wealth Advisors LLC107$8970.00%+107New
The PNC Financial Services Group, Inc.115$9640.00%−55−32.4%Reduced
Glen Eagle Advisors, LLC150$1.26K0.00%00.0%Unchanged
True Wealth Design, LLC189$1.58K0.00%−330−63.6%Reduced
Dynamic Wealth Strategies, LLC191$1.60K0.00%00.0%Unchanged
Root Financial Partners, LLC202$1.69K0.00%+202New
Royal Bank of Canada272$2.00K0.00%−1,505−84.7%Reduced
IFP Advisors, Inc244$2.04K0.00%−385−61.2%Reduced
SBI Securities Co., Ltd.244$2.04K0.00%00.0%Unchanged
Eastern Bank370$3.10K0.00%00.0%Unchanged
Farther Finance Advisors, LLC368$3.18K0.00%−51−12.2%Reduced
Rothschild Investment LLC551$4.62K0.00%−66−10.7%Reduced
Advisory Services Network, LLC556$4.66K0.00%+556New
Quadrant Capital Group LLC673$5.64K0.00%+19+2.9%Added
SRS Capital Advisors, Inc.742$6.22K0.00%+400+117.0%Added
Spire Wealth Management750$6.29K0.00%+250+50.0%Added
Ancora Advisors, LLC1,000$8.38K0.00%00.0%Unchanged
GF Fund Management Co. Ltd.1,128$9.45K0.00%+134+13.5%Added
MAI Capital Management1,158$9.71K0.00%+1,039+873.1%Added
Optiver Holding B.V.1,222$10.2K0.00%−324−21.0%Reduced
Allworth Financial LP1,226$10.3K0.00%−327−21.1%Reduced
Caitong International Asset Management Co., Ltd1,435$12.0K0.00%+1,435New
Sterling Capital Management LLC1,559$13.1K0.00%−1,138−42.2%Reduced
Group One Trading, L.P.1,678$14.1K0.00%+874+108.7%Added
UBS Asset Management Americas Inc1,700$14.2K0.00%+1,046+159.9%Added
Versant Capital Management, Inc1,709$14.3K0.00%00.0%Unchanged
Advisor Group Holdings, Inc.1,718$14.4K0.00%+266+18.3%Added
EverSource Wealth Advisors, LLC1,829$15.3K0.00%−676−27.0%Reduced
Signaturefd, LLC2,020$16.9K0.00%+20+1.0%Added
Essential Partners LLC2,096$17.6K0.01%−1,184−36.1%Reduced
US Bancorp2,178$18.3K0.00%−476−17.9%Reduced
GAMMA Investing LLC2,319$19.4K0.00%+126+5.7%Added
Zurcher Kantonalbank (Zurich Cantonalbank)2,390$20.0K0.00%+1,020+74.5%Added
Steward Partners Investment Advisory, LLC2,413$20.2K0.00%+1,750+264.0%Added
State of Alaska, Department of Revenue2,597$21.0K0.00%00.0%Unchanged
California State Teachers Retirement System2,532$21.2K0.00%−349−12.1%Reduced
Mirae Asset Global Investments Co., Ltd.2,640$22.1K0.00%+180+7.3%Added
Acadian Asset Management LLC3,233$27.0K0.00%−372,166−99.1%Reduced
Legal & General Group Plc4,022$33.7K0.00%00.0%Unchanged
Ameritas Investment Partners, Inc.4,037$33.8K0.00%00.0%Unchanged
Public Employees Retirement Association of Colorado6,040$51.0K0.00%00.0%Unchanged
Tower Research Capital LLC (TRC)6,352$53.2K0.00%+5,609+754.9%Added
Nisa Investment Advisors, LLC6,364$53.3K0.00%+4,139+186.0%Added
Jones Financial Companies LLLP8,470$65.7K0.00%+4,200+98.4%Added
China Universal Asset Management Co., Ltd.8,983$75.3K0.01%+734+8.9%Added
Inceptionr LLC10,249$85.9K0.02%−7,191−41.2%Reduced
Entropy Technologies, LP10,384$87.0K0.00%+10,384New
Intech Investment Management LLC10,435$87.4K0.00%−10,932−51.2%Reduced
Virtu Financial LLC11,614$97.0K0.00%+11,614New
State Board of Administration of Florida Retirement System11,615$97.3K0.00%00.0%Unchanged
Balyasny Asset Management LLC11,656$97.7K0.00%+1,231+11.8%Added
Erste Asset Management GmbH13,000$101.0K0.00%00.0%Unchanged
Graham Capital Management, L.P.12,339$103.4K0.00%−10,293−45.5%Reduced
Prudential Financial Inc12,410$104.0K0.00%+12,410New
Manufacturers Life Insurance Company, The12,937$108.4K0.00%−1,225−8.6%Reduced
Police & Firemen's Retirement System of New Jersey13,073$109.6K0.00%00.0%Unchanged
Pallas Capital Advisors LLC13,119$109.9K0.00%−2,426−15.6%Reduced
New York State Common Retirement Fund13,746$115.2K0.00%00.0%Unchanged
Los Angeles Capital Management LLC13,959$117.0K0.00%−20,095−59.0%Reduced
Schonfeld Strategic Advisors LLC14,151$118.6K0.00%+14,151New
Captrust Financial Advisors14,268$119.5K0.00%−960−6.3%Reduced
SEI Investments Co14,920$125.0K0.00%00.0%Unchanged
Boxer Capital Management, LLC15,000$125.7K0.02%+15,000New
Diversified Trust Co15,499$129.9K0.00%+2,121+15.9%Added
Franklin Resources Inc16,801$140.8K0.00%−2,169−11.4%Reduced
Squarepoint Ops LLC16,981$142.3K0.00%−25,937−60.4%Reduced
Vanguard Global Advisers, LLC18,588$155.8K0.00%+18,588New
Brevan Howard Capital Management LP18,902$158.4K0.00%+2,062+12.2%Added
Landing Point Financial Group, LLC19,217$161.0K0.08%+19,217New
Virtus Investment Advisers, Inc.19,660$164.8K0.05%+479+2.5%Added
SG Americas Securities, LLC19,847$166.0K0.00%−20,684−51.0%Reduced
MetLife Investment Management20,030$167.9K0.00%−6,210−23.7%Reduced
DnB Asset Management AS20,326$170.3K0.00%−5,286−20.6%Reduced
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.20,870$174.9K0.00%−516−2.4%Reduced
BNP Paribas Arbitrage, SA21,707$181.9K0.00%+8,697+66.8%Added
State of Wisconsin Investment Board22,352$187.3K0.00%−15,239−40.5%Reduced
Polymer Capital Management (US) LLC23,752$199.0K0.03%+23,752New
Mercer Global Advisors Inc23,840$199.8K0.00%−300−1.2%Reduced
Algert Global LLC23,900$200.3K0.00%+23,900New
Tudor Investment Corp Et Al24,310$203.7K0.00%00.0%Unchanged
Citigroup Inc25,650$214.9K0.00%+16,391+177.0%Added
Lion Point Capital, LP26,600$222.9K1.33%00.0%Unchanged
Bradley Foster & Sargent Inc26,699$223.7K0.00%−23,650−47.0%Reduced
Great West Life Assurance Co28,262$237.0K0.00%+8,411+42.4%Added
Palogic Value Management, L.P.30,000$251.4K0.11%+30,000New
Creative Planning30,001$251.4K0.00%−3,020−9.1%Reduced
Rockefeller Capital Management L.P.31,502$264.0K0.00%+3,782+13.6%Added
Profund Advisors LLC33,045$276.9K0.01%+10,794+48.5%Added
Militia Capital Management LLC33,500$280.7K0.06%+33,500New
XTX Topco Ltd33,900$284.1K0.00%+33,900New
Mariner, LLC37,999$318.4K0.00%−17,424−31.4%Reduced