REGENXBIO INC (RGNX) Institutional Ownership Changes & 13F Activity

REGENXBIO INC (RGNX). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q2 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Assenagon Asset Management S.A., Integral Health Asset Management, Llc, Citadel Advisors Llc, D. E. Shaw & Co., Inc., and Goldman Sachs Group Inc.

InstitutionTypeChange in sharesChange Position %SharesReported stock balancePortfolio quarterFiling date
Manufacturers Life Insurance Company, TheBuy+111+0.9%13,048$156.31KQ2 2026Sep 09, 2026
Palogic Value Management, L.P.Buy+40+0.1%30,040$359.88KQ2 2026Sep 09, 2026
Citadel Advisors LlcBuy+669,023669,023$8.01MQ2 2026Sep 02, 2026
Corient Private Wealth LlcBuy+217,661217,661$2.61MQ2 2026Aug 27, 2026
California State Teachers Retirement SystemSell-1,870-73.9%662$7.93KQ2 2026Aug 24, 2026
Assenagon Asset Management S.A.Sell-811,332-82.7%169,279$2.03MQ2 2026Aug 21, 2026
Mercer Global Advisors IncBuy+7,604+31.9%31,444$376.70KQ2 2026Aug 19, 2026
Integral Health Asset Management, LlcSell-700,000-46.7%800,000$9.58MQ2 2026Aug 14, 2026
D. E. Shaw & Co., Inc.Buy+426,813+149.2%712,814$8.54MQ2 2026Aug 14, 2026
Goldman Sachs Group IncSell-418,010-22.7%1,421,453$17.03MQ2 2026Aug 14, 2026
Lazard Asset Management LlcBuy+370,375370,375$4.44MQ2 2026Aug 14, 2026
Aqr Capital Management LlcBuy+326,646+31.1%1,378,358$16.51MQ2 2026Aug 14, 2026
Millennium Management LlcBuy+195,588+68.6%480,762$5.76MQ2 2026Aug 14, 2026
Bank Of America CorpBuy+193,685+59.6%518,545$6.21MQ2 2026Aug 14, 2026
Susquehanna International Group, LlpBuy+173,828+190.8%264,912$3.17MQ2 2026Aug 14, 2026
Jane Street Group, LlcBuy+147,945+140.2%253,493$3.04MQ2 2026Aug 14, 2026
Invesco Ltd.Buy+133,851133,851$1.60MQ2 2026Aug 14, 2026
Two Sigma Investments, LpBuy+114,916+20.7%669,808$8.02MQ2 2026Aug 14, 2026
Ameriprise Financial IncBuy+100,055100,055$1.20MQ2 2026Aug 14, 2026
Trexquant Investment LpBuy+86,42086,420$1.04MQ2 2026Aug 14, 2026
Xtx Topco LtdBuy+73,400+216.5%107,300$1.29MQ2 2026Aug 14, 2026
Susquehanna Portfolio Strategies, LlcSell-67,130-36.0%119,471$1.43MQ2 2026Aug 14, 2026
Balyasny Asset Management L.P.Buy+62,391+535.3%74,047$887.08KQ2 2026Aug 14, 2026
Hudson Bay Capital Management LpBuy+45,000+25.0%225,000$2.70MQ2 2026Aug 14, 2026
Aquatic Capital Management LlcBuy+43,99843,998$527.10KQ2 2026Aug 14, 2026
Engineers Gate Manager LpSell-29,300-46.0%34,400$412.11KQ2 2026Aug 14, 2026
Wells Fargo & Company/MnBuy+27,350+54.2%77,852$932.67KQ2 2026Aug 14, 2026
Barclays PlcSell-23,360-34.6%44,067$527.92KQ2 2026Aug 14, 2026
Mirae Asset Global Etfs Holdings Ltd.Buy+20,014+34.3%78,364$937.85KQ2 2026Aug 14, 2026
Hsbc Holdings PlcSell-19,428-34.8%36,402$437.55KQ2 2026Aug 14, 2026
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Frequently asked questions about RGNX activity

  • Which institutional owners are buying RGNX?

    Institutional owners buying RGNX include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in RGNX activity?

    "Buy" means an investor increased their reported position in RGNX compared to the prior reporting period. This reflects growing exposure to REGENXBIO INC (RGNX) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in RGNX increasing?

    Institutional interest in RGNX can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.