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Regeneron Pharmaceuticals, Inc.

REGN
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0000872589

In the last 90 days, Regeneron Pharmaceuticals, Inc. insiders filed 0 open-market purchases and 5 sales; 1,342 institutions reported holding it in 13F filings for Q2 2026, worth $57.1B in total; Southeastern Asset Management (Longleaf) is the only superinvestor holding it.

13F holders, Q2 2026

Institutional positions in Regeneron Pharmaceuticals, Inc. as of Jun 30, 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
1,342
−44 vs. Q1 2026
Shares held
91.4M
+1.18M (+1.3%) vs. Q1 2026
Total value
$57.1B
−$12.5B (−17.9%) vs. Q1 2026
New holders
125
485 more added
Sold out
169
543 more reduced

15 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting REGN 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 holdersQ2 2026: 1,342 institutions
Q1 2021: 926 institutionsQ2 2021: 975 institutionsQ3 2021: 1,022 institutionsQ4 2021: 1,081 institutionsQ1 2022: 1,097 institutionsQ2 2022: 1,066 institutionsQ3 2022: 1,081 institutionsQ4 2022: 1,161 institutionsQ1 2023: 1,196 institutionsQ2 2023: 1,168 institutionsQ3 2023: 1,180 institutionsQ4 2023: 1,274 institutionsQ1 2024: 1,313 institutionsQ2 2024: 1,335 institutionsQ3 2024: 1,393 institutionsQ4 2024: 1,320 institutionsQ1 2025: 1,290 institutionsQ2 2025: 1,201 institutionsQ3 2025: 1,243 institutionsQ4 2025: 1,387 institutionsQ1 2026: 1,401 institutionsQ2 2026: 1,342 institutions
Value heldQ2 2026: $57.1B
Q1 2021: $42.3BQ2 2021: $49.6BQ3 2021: $54.5BQ4 2021: $56.9BQ1 2022: $64.5BQ2 2022: $55.0BQ3 2022: $64.0BQ4 2022: $66.9BQ1 2023: $76.1BQ2 2023: $66.2BQ3 2023: $75.1BQ4 2023: $80.3BQ1 2024: $89.3BQ2 2024: $98.9BQ3 2024: $97.5BQ4 2024: $66.6BQ1 2025: $59.0BQ2 2025: $46.9BQ3 2025: $49.0BQ4 2025: $70.7BQ1 2026: $69.8BQ2 2026: $57.1B
Institutions holding REGN and their total value by quarter
QuarterHoldersValue
Q2 20261,342$57.1B
Q1 20261,401$69.8B
Q4 20251,387$70.7B
Q3 20251,243$49.0B
Q2 20251,201$46.9B
Q1 20251,290$59.0B
Q4 20241,320$66.6B
Q3 20241,393$97.5B
Q2 20241,335$98.9B
Q1 20241,313$89.3B
Q4 20231,274$80.3B
Q3 20231,180$75.1B
Q2 20231,168$66.2B
Q1 20231,196$76.1B
Q4 20221,161$66.9B
Q3 20221,081$64.0B
Q2 20221,066$55.0B
Q1 20221,097$64.5B
Q4 20211,081$56.9B
Q3 20211,022$54.5B
Q2 2021975$49.6B
Q1 2021926$42.3B

Institutions, Q2 2026

Shares, value and share of portfolio for each institution holding Regeneron Pharmaceuticals, Inc.; share changes are against Q1 2026.

Institutions holding REGN in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Kingswood Wealth Advisors, LLC740$461.6K0.02%−25−3.3%Reduced
Williams Jones Wealth Management, LLC.742$462.7K0.01%−68−8.4%Reduced
Insigneo Advisory Services, LLC742$462.8K0.02%+305+69.8%Added
Crestwood Advisors Group LLC743$463.1K0.01%−34−4.4%Reduced
Prelude Capital Management, LLC744$463.9K0.03%+744New
Tritonpoint Wealth, LLC745$464.5K0.05%+64+9.4%Added
Klingenstein Fields & Co LP747$465.8K0.02%−14,819−95.2%Reduced
Huntington National Bank750$467.7K0.00%+64+9.3%Added
Independent Advisor Alliance753$469.6K0.01%+28+3.9%Added
Beacon Investment Advisory Services, Inc.757$472.0K0.02%−9,055−92.3%Reduced
Pointe Capital Management LLC757$472.0K0.21%−60−7.3%Reduced
Connecticut Wealth Management, LLC766$477.6K0.02%+1+0.1%Added
JT Stratford LLC769$479.5K0.05%−6−0.8%Reduced
Livforsakringsbolaget Skandia, Omsesidigt772$481.3K0.02%00.0%Unchanged
Polymer Capital Management (US) LLC772$481.4K0.07%−610−44.1%Reduced
Cidel Asset Management Inc775$483.2K0.02%+56+7.8%Added
waypoint wealth counsel777$484.5K0.30%−308−28.4%Reduced
Value Investment Professionals, LLC778$485.3K0.41%+1+0.1%Added
Sienna Gestion764$488.1K0.03%−735−49.0%Reduced
Fullerton Fund Management Co Ltd.783$488.2K0.03%+7+0.9%Added
Penbrook Management LLC785$489.5K0.31%00.0%Unchanged
Algert Global LLC786$490.1K0.01%+786New
HighPoint Advisor Group LLC788$491.5K0.02%+20+2.6%Added
RFG Advisory, LLC789$492.1K0.01%−587−42.7%Reduced
Mather Group, LLC.791$493.4K0.00%+210+36.1%Added
Hancock Whitney Corp792$493.8K0.01%00.0%Unchanged
King Luther Capital Management Corp800$498.8K0.00%−148−15.6%Reduced
Sumitomo Life Insurance Co806$502.6K0.01%−20−2.4%Reduced
Bayesian Capital Management, LP808$503.8K0.32%+808New
BayBridge Capital Group, LLC808$503.8K0.26%+387+91.9%Added
Pinnacle Financial Partners, Inc.809$504.6K0.00%+8+1.0%Added
Soltis Investment Advisors LLC810$505.1K0.03%−186−18.7%Reduced
Hobbs Group Advisors, LLC810$505.1K0.13%+542+202.2%Added
Gsa Capital Partners LLP817$509.0K0.03%−3,014−78.7%Reduced
AMJ Financial Wealth Management662$511.5K0.12%00.0%Unchanged
Gradient Investments LLC827$515.7K0.01%−19−2.2%Reduced
Cambria Investment Management, L.P.830$517.5K0.03%+475+133.8%Added
Axxion S.A.830$517.5K0.04%+830New
Stephens Inc831$517.9K0.01%−56−6.3%Reduced
Sagespring Wealth Partners, LLC833$519.3K0.01%−179−17.7%Reduced
Formidable Asset Management, LLC847$528.1K0.08%00.0%Unchanged
Welch Group, LLC849$529.4K0.02%00.0%Unchanged
Sava Infond d.o.o.850$530.0K0.04%−820−49.1%Reduced
Syon Capital LLC857$534.4K0.02%−164−16.1%Reduced
Bangor Savings Bank857$534.4K0.04%00.0%Unchanged
Smartleaf Asset Management LLC846$535.0K0.02%00.0%Unchanged
Ronald Blue Trust, Inc.859$535.6K0.01%+87+11.3%Added
Graham Capital Management, L.P.861$536.9K0.01%+861New
WJ Financial Advisors LLC865$539.4K0.40%00.0%Unchanged
Pensionmark Financial Group, LLC737$543.6K0.01%−108−12.8%Reduced
Sagewood Asset Management LP892$556.2K0.13%−136−13.2%Reduced
StoneX Group Inc.891$560.6K0.02%+891New
Schwartz Investment Counsel Inc900$561.2K0.02%−200−18.2%Reduced
Transcend Wealth Collective, LLC901$561.8K0.04%−125−12.2%Reduced
R Squared Ltd902$562.4K0.30%+902New
Freestone Capital Holdings, LLC904$564.1K0.01%+440+94.8%Added
Proficio Capital Partners LLC909$566.8K0.02%+909New
John G Ullman & Associates Inc910$567.4K0.07%00.0%Unchanged
Cove Private Wealth, LLC910$567.4K0.11%+264+40.9%Added
EverSource Wealth Advisors, LLC912$568.4K0.02%−968−51.5%Reduced
Callahan Advisors, LLC919$573.1K0.04%−5−0.5%Reduced
Ostrum Asset Management920$573.7K0.03%−145−13.6%Reduced
Kepler Cheuvreux (Suisse) SA921$574.3K0.03%+921New
Baker Avenue Asset Management, LP931$580.3K0.01%−130−12.3%Reduced
We Are One Seven, LLC932$581.2K0.01%+283+43.6%Added
Flputnam Investment Management Co939$585.5K0.01%+485+106.8%Added
Kestra Private Wealth Services, LLC944$588.5K0.01%−49−4.9%Reduced
Aaron Wealth Advisors944$588.6K0.03%−158−14.3%Reduced
BNP Paribas947$590.6K0.02%+7+0.7%Added
Envestnet Portfolio Solutions, Inc.950$592.1K0.00%+7+0.7%Added
Traphagen Investment Advisors LLC952$593.5K0.04%−33−3.4%Reduced
Bank of Hawaii952$593.6K0.03%−72−7.0%Reduced
L2 Asset Management, LLC952$593.7K0.06%+952New
Verdence Capital Advisors LLC954$595.0K0.03%+954New
J.W. Cole Advisors, Inc.958$597.3K0.01%+103+12.0%Added
Plancorp, LLC907$601.4K0.01%−19−2.1%Reduced
NewEdge Wealth, LLC967$602.8K0.01%+382+65.3%Added
Cigna Investments Inc967$603.0K0.08%−1−0.1%Reduced
Jackson Thornton Asset Management, LLC972$606.1K0.05%−119−10.9%Reduced
Azzad Asset Management Inc984$613.4K0.05%+3+0.3%Added
Pflug Koory, LLC994$619.8K0.25%00.0%Unchanged
Denali Advisors LLC1,000$623.5K0.06%+500+100.0%Added
PCM Encore, LLC1,003$625.2K0.11%−48−4.6%Reduced
International Assets Investment Management, LLC1,001$625.5K0.04%+120+13.6%Added
Alta Wealth Advisors LLC1,008$628.5K0.17%00.0%Unchanged
S-Bank Fund Management Ltd1,012$631.0K0.09%+418+70.4%Added
West Family Investments, Inc.1,017$634.1K0.18%+423+71.2%Added
Arcataur Capital Management LLC1,020$636.0K0.16%+12+1.2%Added
Parcion Private Wealth LLC1,022$637.3K0.04%−172−14.4%Reduced
V-Square Quantitative Management LLC1,025$639.1K0.06%+77+8.1%Added
Athena Wealth Management, LLC1,025$639.1K0.48%+35+3.5%Added
Cullen/Frost Bankers, Inc.1,028$641.0K0.01%−49−4.5%Reduced
Principal Securities, Inc.1,028$641.1K0.01%+78+8.2%Added
Busey Wealth Management1,031$642.9K0.02%−23−2.2%Reduced
Archford Capital Strategies, LLC1,043$650.4K0.07%+5+0.5%Added
Stoneridge Investment Partners LLC861$657.0K0.43%+861New
Ballentine Partners, LLC1,054$657.2K0.01%−145−12.1%Reduced
Pitcairn Wealth Advisors LLC1,057$659.1K0.07%−45−4.1%Reduced
Umb Bank N A1,060$661.0K0.01%−2−0.2%Reduced
Parallel Advisors, LLC1,063$663.3K0.01%−44−4.0%Reduced