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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, Q4 2024

Institutional positions in Regeneron Pharmaceuticals, Inc. as of Dec 31, 2024. 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
1,320
−45 vs. Q3 2024
Shares held
93.5M
−219.6K (−0.2%) vs. Q3 2024
Total value
$66.6B
−$30.7B (−31.6%) vs. Q3 2024
New holders
170
478 more added
Sold out
215
493 more reduced

28 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2024: 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 holdersQ4 2024: 1,320 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 heldQ4 2024: $66.6B
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, Q4 2024

Shares, value and share of portfolio for each institution holding Regeneron Pharmaceuticals, Inc.; share changes are against Q3 2024.

Institutions holding REGN in Q4 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Investment Management Corp of Ontario5,149$3.67M0.12%+1,562+43.5%Added
Kennedy Capital Management, Inc.5,156$3.67M0.08%+652+14.5%Added
Advisors Asset Management, Inc.5,165$3.68M0.07%−443−7.9%Reduced
Gilman Hill Asset Management, LLC5,203$3.71M0.65%+58+1.1%Added
Ci Investments Inc.5,230$3.73M0.01%−1,910−26.8%Reduced
Kayne Anderson Rudnick Investment Management LLC5,278$3.76M0.01%−468−8.1%Reduced
Entropy Technologies, LP5,300$3.78M0.39%+4,900+1,225.0%Added
Capstone Investment Advisors, LLC5,301$3.78M0.04%+4,343+453.3%Added
Bleakley Financial Group, LLC5,302$3.78M0.11%−613−10.4%Reduced
Kempen Capital Management N.V.5,318$3.79M0.04%−954−15.2%Reduced
M&T Bank Corp5,368$3.82M0.01%−112−2.0%Reduced
Headlands Technologies LLC5,391$3.84M0.39%−201−3.6%Reduced
Clear Harbor Asset Management, LLC5,421$3.86M0.31%+3,006+124.5%Added
Wiley Bros.-Aintree Capital, LLC5,382$3.88M0.05%+3,440+177.1%Added
Metis Global Partners, LLC5,513$3.93M0.12%+169+3.2%Added
Veracity Capital LLC5,614$4.00M1.46%−58−1.0%Reduced
Wealthspire Advisors, LLC5,619$4.00M0.04%−2,493−30.7%Reduced
Securian Asset Management, Inc5,647$4.02M0.12%−250−4.2%Reduced
Maryland State Retirement & Pension System5,693$4.06M0.09%−334−5.5%Reduced
Codex Capital Asset Management L.L.C.5,750$4.10M1.85%00.0%Unchanged
Norinchukin Bank, The5,810$4.14M0.09%+475+8.9%Added
Point72 (DIFC) Ltd5,828$4.15M0.37%+5,828New
Tema ETFs LLC5,849$4.17M1.73%+5,849New
Fisher Asset Management, LLC5,890$4.20M0.00%+833+16.5%Added
Unison Advisors LLC5,998$4.27M0.51%00.0%Unchanged
PDT Partners, LLC6,058$4.32M0.38%+3,057+101.9%Added
US Bancorp6,066$4.32M0.01%+1,078+21.6%Added
O'Shaughnessy Asset Management, LLC6,147$4.38M0.04%−2,634−30.0%Reduced
Exchange Traded Concepts, LLC6,159$4.39M0.09%+2,139+53.2%Added
Harvest Fund Management Co., Ltd6,360$4.39M0.20%+1,366+27.4%Added
Simplify Asset Management Inc.6,258$4.46M0.31%−3,333−34.8%Reduced
Cullen/Frost Bankers, Inc.6,307$4.49M0.06%+5,838+1,244.8%Added
Banque Pictet & Cie SA6,312$4.50M0.04%+6,312New
Aigen Investment Management, LP6,367$4.54M0.80%+5,644+780.6%Added
Madison Asset Management, LLC6,445$4.59M0.05%−114−1.7%Reduced
Madison Investment Advisors, LLC6,445$4.59M0.05%+6,445New
Vontobel Holding Ltd.6,458$4.60M0.02%+2,322+56.1%Added
ARS Investment Partners, LLC6,480$4.62M0.42%−5,540−46.1%Reduced
Hartford Investment Management Co6,503$4.63M0.15%−183−2.7%Reduced
Impact Asset Management GmbH6,520$4.64M1.84%00.0%Unchanged
Ledyard National Bank6,525$4.65M0.44%+134+2.1%Added
Pine Valley Investments Ltd Liability Co6,612$4.71M0.31%+1,309+24.7%Added
Atria Investments LLC6,637$4.73M0.06%−1,685−20.2%Reduced
Kestra Advisory Services, LLC6,740$4.80M0.03%+52+0.8%Added
Lifeworks Advisors, LLC6,743$4.80M0.87%+1,617+31.5%Added
Commerce Bank6,804$4.85M0.03%+89+1.3%Added
Klingenstein Fields & Co LP6,806$4.85M0.20%+6,231+1,083.7%Added
Campbell & CO Investment Adviser LLC6,882$4.90M0.38%+2,711+65.0%Added
Quantitative Investment Management, LLC6,898$4.91M0.37%+1,686+32.3%Added
Pamalican Asset Management Ltd6,900$4.92M2.17%+6,900New
Ellerson Group Inc6,920$4.93M3.60%+59+0.9%Added
Perigon Wealth Management, LLC7,165$4.97M0.12%−1,396−16.3%Reduced
F/M Investments LLC7,003$4.99M0.18%+550+8.5%Added
Alberta Investment Management Corp7,100$5.06M0.03%+7,100New
TownSquare Capital, LLC7,210$5.14M0.06%+379+5.5%Added
Kentucky Retirement Systems7,292$5.19M0.15%−101−1.4%Reduced
UniSuper Management Pty Ltd7,306$5.20M0.04%+2,013+38.0%Added
Wealthfront Advisers LLC7,348$5.23M0.02%−2,141−22.6%Reduced
Hancock Whitney Corp7,414$5.28M0.17%−355−4.6%Reduced
Banco Santander, S.A.7,478$5.33M0.06%−220−2.9%Reduced
Flputnam Investment Management Co7,493$5.34M0.10%−12,619−62.7%Reduced
Eisler Capital Management Ltd.7,493$5.36M0.18%+7,493New
MML Investors Services, LLC7,533$5.37M0.02%+2,218+41.7%Added
Thompson Siegel & Walmsley LLC7,652$5.45M0.09%+162+2.2%Added
Brevan Howard Capital Management LP7,690$5.48M0.14%+4,506+141.5%Added
Toroso Investments, LLC7,715$5.50M0.05%+1,365+21.5%Added
Federation des caisses Desjardins du Quebec7,824$5.57M0.03%+4,590+141.9%Added
Generate Investment Management Ltd7,841$5.59M0.39%−2,923−27.2%Reduced
Cardinal Capital Management7,871$5.61M0.88%+36+0.5%Added
Cornerstone Advisors, LLC7,900$5.63M0.22%+1,900+31.7%Added
Cutter & CO Brokerage, Inc.7,958$5.67M1.38%+293+3.8%Added
Founders Capital Management, LLC7,968$5.68M1.00%+236+3.1%Added
Teachers Retirement System of the State of Kentucky7,977$5.68M0.05%00.0%Unchanged
Engineers Gate Manager LP8,096$5.77M0.10%−7,848−49.2%Reduced
Fiduciary Trust Co8,206$5.85M0.08%−316−3.7%Reduced
Marietta Wealth Management, LLC8,277$5.90M0.85%+624+8.2%Added
Modera Wealth Management, LLC8,278$5.90M0.07%−169−2.0%Reduced
New Age Alpha Advisors, LLC8,312$5.92M0.24%+8,298+59,271.4%Added
Avidity Partners Management LP8,400$5.98M0.60%+8,400New
Gulf International Bank (UK) Ltd8,424$6.00M0.15%−92−1.1%Reduced
Atlas Capital Advisors LLC8,466$6.03M0.77%+8,318+5,620.3%Added
Tower Research Capital LLC (TRC)8,472$6.03M0.12%+4,978+142.5%Added
HRT Financial LP8,532$6.08M0.03%+4,696+122.4%Added
Stratos Wealth Advisors, LLC8,581$6.11M0.29%−67−0.8%Reduced
Fifth Third Bancorp8,643$6.16M0.02%−1,753−16.9%Reduced
Capital Group Investment Management Pte. Ltd.8,743$6.23M1.18%+1,275+17.1%Added
Edgestream Partners, L.P.8,822$6.28M0.27%+8,475+2,442.4%Added
DCF Advisers, LLC8,900$6.34M3.20%+1,150+14.8%Added
Oregon Public Employees Retirement Fund9,021$6.43M0.12%+5+0.1%Added
Swiss Life Asset Management Ltd9,178$6.53M0.05%−486−5.0%Reduced
Jacobs & Co9,191$6.55M0.67%+64+0.7%Added
Colony Group, LLC9,226$6.57M0.02%+6,255+210.5%Added
Cetera Investment Advisers9,239$6.58M0.01%+494+5.6%Added
R.P. Boggs & Co.9,279$6.61M3.94%+383+4.3%Added
Sienna Gestion9,731$6.93M0.47%00.0%Unchanged
Oak Associates, Ltd9,832$7.00M0.48%−55−0.6%Reduced
AIMZ Investment Advisors, LLC9,854$7.02M2.44%−55−0.6%Reduced
Captrust Financial Advisors9,916$7.06M0.02%+786+8.6%Added
Dai-Ichi Life Insurance Company, Ltd9,922$7.07M0.20%−2,470−19.9%Reduced
Mizuho Securities USA LLC9,977$7.11M0.13%+3,096+45.0%Added