DaveManuel.com · Institutional Ownership · Who Owns It
REGENERON PHARMACEUTICALS (REGN)
Institutional ownership reported to the SEC as of Q2 2026, across 32 quarters.
1,350
Reporting holders
$60.3B
Reported value
1.7%
Calls
1.7%
Puts
-64
Holder change
Calls and puts are the parts of reported value carried in derivative lines rather than shares, and they point in opposite directions: a manager holding calls is positioned for the security, one holding puts against it - or hedging shares they already own, which is why index funds carry so many. Most sites add the two together and report one figure, which averages away the only interesting part.
Holders
| Filer | Value | Shares | Their book | Held | Change |
|---|---|---|---|---|---|
| BlackRock, Inc. | $5.7B | 9,113,506 | 0.08% | 8q | +1.9%+$103.4M |
| VANGUARD CAPITAL MANAGEMENT LLC | $4.1B | 6,629,759 | 0.09% | 2q | HELD |
| Dodge & Cox | $3.0B | 4,871,137 | 1.59% | 19q | +9.3%+$257.5M |
| STATE STREET CORP | $3.0B | 4,834,688 | 0.09% | 31q | +3.6%+$106.1M |
| Invesco Ltd. | $2.5B | 3,940,665 | 0.19% | 31q | +0.9%+$22.2M |
| JPMORGAN CHASE & CO | $2.4B | 3,774,199 | 0.13% | 31q | -12.5%-$339.7M |
| VANGUARD PORTFOLIO MANAGEMENT LLC | $2.0B | 3,175,313 | 0.09% | 2q | +84.5%+$907.0M |
| FRANKLIN RESOURCES INC | $1.7B | 2,771,839 | 0.37% | 31q | +1.8%+$31.0M |
| GEODE CAPITAL MANAGEMENT, LLC | $1.6B | 2,625,810 | 0.09% | 31q | +0.7%+$11.2M |
| Nuveen, LLC | $1.3B | 2,019,974 | 0.30% | 6q | -2.2%-$28.1M |
| LOOMIS SAYLES & CO L P | $1.2B | 1,859,172 | 1.45% | 31q | -2.8%-$33.1M |
| PeakShares LLC | $975.2M | 1,564,000 | 0.73% | 3q | +107762.1%+$974.3M |
| PRICE T ROWE ASSOCIATES INC /MD/ | $953.8M | 1,529,709 | 0.10% | 31q | -29.8%-$403.9M |
| MORGAN STANLEY | $871.5M | 1,397,712 | 0.05% | 35q | +5.9%+$48.9M |
| GOLDMAN SACHS GROUP INC | $832.0M incl. $106.7M options CALL | 1,163,191 | 0.07% | 31q | -10.6%-$98.3M |
| BANK OF AMERICA CORP /DE/ | $805.0M | 1,291,053 | 0.05% | 31q | +8.5%+$63.3M |
| WELLINGTON MANAGEMENT GROUP LLP | $792.0M | 1,270,087 | 0.14% | 31q | -30.9%-$353.8M |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | $781.3M incl. $668.9M options CALL+PUT | 180,219 | 0.06% | 31q | +488.6%+$648.6M |
| NORGES BANK | $731.3M | 1,172,808 | 0.07% | 32q | -10.6%-$86.5M |
| AQR CAPITAL MANAGEMENT LLC | $702.2M | 1,126,080 | 0.24% | 31q | -8.5%-$65.4M |
| Amundi | $632.0M | 1,013,540 | 0.15% | 21q | HELD |
| NORTHERN TRUST CORP | $571.5M | 916,467 | 0.07% | 31q | -2.7%-$15.9M |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $527.7M | 846,306 | 0.07% | 31q | +5.2%+$26.1M |
| FMR LLC | $518.8M | 831,964 | 0.02% | 31q | -45.2%-$427.9M |
| Capital World Investors | $508.1M | 814,925 | 0.06% | 31q | -42.6%-$376.7M |
| Legal & General Group Plc | $473.9M | 759,971 | 0.10% | 31q | +3.8%+$17.4M |
| Bank of New York Mellon Corp | $473.0M | 758,492 | 0.08% | 31q | -0.9%-$4.3M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | $446.8M | 716,560 | 0.08% | 31q | -1.0%-$4.4M |
| TWO SIGMA INVESTMENTS, LP | $409.1M | 656,124 | 0.30% | 8q | -19.2%-$97.3M |
| CITADEL ADVISORS LLC | $370.1M incl. $334.2M options CALL+PUT | 57,604 | 0.04% | 31q | +20.8%+$63.7M |
| VANGUARD FIDUCIARY TRUST CO | $351.5M | 563,711 | 0.08% | 2q | -1.1%-$3.9M |
| DIMENSIONAL FUND ADVISORS LP | $349.0M | 559,687 | 0.06% | 31q | +9.1%+$29.1M |
| FIRST TRUST ADVISORS LP | $341.2M | 547,132 | 0.20% | 31q | +57.7%+$124.9M |
| DEUTSCHE BANK AG\ | $323.2M | 518,409 | 0.09% | 34q | -17.1%-$66.7M |
| JANE STREET GROUP, LLC | $314.7M incl. $311.2M options CALL+PUT | 5,596 | 0.03% | 31q | +4.1%+$12.5M |
| Assenagon Asset Management S.A. | $305.4M | 489,854 | 0.19% | 23q | +135.7%+$175.9M |
| Robeco Institutional Asset Management B.V. | $287.2M | 460,602 | 0.35% | 38q | +32.1%+$69.7M |
| Man Group plc | $272.5M | 436,956 | 0.43% | 31q | +38.6%+$75.9M |
| SG Americas Securities, LLC | $266.7M | 427,703 | 0.15% | 31q | +170.2%+$168.0M |
| NEUBERGER BERMAN GROUP LLC | $263.1M | 421,976 | 0.17% | 31q | -1.2%-$3.2M |
| BNP PARIBAS FINANCIAL MARKETS | $253.2M incl. $3.9M options CALL+PUT | 399,847 | 0.09% | 31q | -10.8%-$30.7M |
| HSBC HOLDINGS PLC | $250.7M incl. $12.1M options CALL+PUT | 382,028 | 0.10% | 31q | +18.2%+$38.5M |
| Allianz Asset Management GmbH | $247.2M incl. $9.9M options CALL+PUT | 380,618 | 0.20% | 40q | +26.4%+$51.6M |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | $245.5M | 393,685 | 0.11% | 5q | +129.5%+$138.5M |
| National Pension Service | $236.8M | 379,815 | 0.15% | 31q | +2.2%+$5.2M |
| Pacer Advisors, Inc. | $230.4M | 369,451 | 0.59% | 30q | +3.0%+$6.7M |
| NORDEA INVESTMENT MANAGEMENT AB | $227.4M | 363,479 | 0.19% | 31q | +285.4%+$168.4M |
| ALLIANCEBERNSTEIN L.P. | $225.9M | 292,338 | 0.07% | 31q | -31.5%-$104.0M |
| WORLDQUANT MILLENNIUM ADVISORS LLC | $220.7M | 353,970 | 0.76% | 4q | +251.6%+$157.9M |
| CITIGROUP INC | $216.1M | 346,637 | 0.07% | 31q | +87.7%+$101.0M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | $206.7M | 331,560 | 0.21% | 31q | +21.4%+$36.4M |
| UBS Group AG | $196.7M incl. $10.7M options CALL+PUT | 298,234 | 0.03% | 31q | -0.6%-$1.2M |
| IMC-Chicago, LLC | $184.4M incl. $181.0M options CALL+PUT | 5,591 | 0.04% | 7q | HELD |
| Swiss National Bank | $182.7M | 293,020 | 0.10% | 31q | -3.3%-$6.3M |
| Sumitomo Mitsui Trust Group, Inc. | $176.0M | 282,199 | 0.10% | 31q | +3.1%+$5.3M |
| FIL Ltd | $165.5M | 265,490 | 0.12% | 16q | -14.2%-$27.4M |
| TD Asset Management Inc | $161.7M | 259,317 | 0.14% | 31q | -26.1%-$57.1M |
| Mitsubishi UFJ Asset Management Co., Ltd. | $160.5M | 257,450 | 0.09% | 31q | +7.0%+$10.5M |
| FEDERATED HERMES, INC. | $160.2M | 256,884 | 0.23% | 31q | +0.8%+$1.2M |
| JACOBS LEVY EQUITY MANAGEMENT, INC | $159.9M | 256,503 | 0.58% | 11q | +19.8%+$26.4M |
| BARCLAYS PLC | $159.7M | 256,192 | 0.03% | 31q | -18.2%-$35.5M |
| LSV ASSET MANAGEMENT | $157.9M | 253,200 | 0.29% | 4q | +29.0%+$35.5M |
| DekaBank Deutsche Girozentrale | $157.7M | 211,207 | 0.27% | 31q | HELD |
| Caisse de depot et placement du Quebec | $156.3M | 250,608 | 0.22% | 31q | -23.8%-$48.9M |
| MILLENNIUM MANAGEMENT LLC | $146.9M incl. $44.0M options CALL+PUT | 165,120 | 0.05% | 31q | +163.2%+$91.1M |
| Bronte Capital Management Pty Ltd. | $144.2M incl. $42.8M options CALL | 162,618 | 15.48% | 23q | -5.9%-$9.0M |
| Qube Research & Technologies Ltd | $144.1M incl. $5.9M options CALL+PUT | 221,607 | 0.13% | 12q | +165.8%+$89.9M |
| Russell Investments Group, Ltd. | $143.6M | 230,151 | 0.13% | 31q | +0.9%+$1.3M |
| AMERIPRISE FINANCIAL INC | $142.2M | 227,457 | 0.03% | 31q | -28.8%-$57.7M |
| Vanguard Global Advisers, LLC | $141.4M | 226,724 | 0.07% | 2q | -0.8%-$1.1M |
| California Public Employees Retirement System | $139.8M | 224,269 | 0.08% | 31q | +2.5%+$3.4M |
| CANADA PENSION PLAN INVESTMENT BOARD | $130.9M | 209,911 | 0.07% | 31q | +11.9%+$13.9M |
| Squarepoint Ops LLC | $128.9M incl. $5.1M options CALL+PUT | 198,567 | 0.14% | 24q | +22.0%+$23.2M |
| VANGUARD ASSET MANAGEMENT, Ltd | $123.3M | 197,770 | 0.08% | 2q | +12.2%+$13.4M |
| Candriam S.C.A. | $121.9M | 195,674 | 0.55% | 31q | +5.0%+$5.8M |
| MCDONALD CAPITAL INVESTORS INC/CA | $120.4M | 193,038 | 8.79% | 31q | -6.2%-$8.0M |
| Swedbank AB | $118.4M | 189,848 | 0.10% | 21q | -11.9%-$16.1M |
| Epoch Investment Partners, Inc. | $116.5M | 186,850 | 0.66% | 10q | -21.7%-$32.3M |
| Carmignac Gestion | $113.8M | 182,507 | 1.48% | 3q | +56.6%+$41.1M |
| BANK OF NOVA SCOTIA | $113.3M | 181,706 | 0.17% | 31q | +86.3%+$52.5M |
| KBC Group NV | $111.9M | 179,508 | 0.24% | 37q | +366.6%+$87.9M |
| Chevy Chase Trust Holdings, LLC | $111.6M | 179,056 | 0.29% | 31q | -13.0%-$16.7M |
| PANAGORA ASSET MANAGEMENT INC | $109.3M | 175,291 | 0.34% | 31q | +66.6%+$43.7M |
| ROYAL BANK OF CANADA | $108.8M | 174,515 | 0.02% | 31q | -50.3%-$110.2M |
| RAYMOND JAMES FINANCIAL INC | $107.8M | 172,896 | 0.03% | 7q | +4.4%+$4.6M |
| VOLORIDGE INVESTMENT MANAGEMENT, LLC | $102.2M | 163,963 | 0.43% | 2q | +967.2%+$92.7M |
| RHUMBLINE ADVISERS | $98.4M | 157,794 | 0.07% | 31q | HELD |
| ACADIAN ASSET MANAGEMENT LLC | $98.1M | 157,440 | 0.12% | 31q | +4.1%+$3.9M |
| Bellevue Group AG | $98.1M | 157,291 | 2.06% | 27q | -43.6%-$75.7M |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | $97.7M | 156,724 | 0.09% | 31q | +1.6%+$1.6M |
| Pictet Asset Management Holding SA | $96.5M | 153,500 | 0.09% | 12q | -54.5%-$115.5M |
| SOUTHEASTERN ASSET MANAGEMENT INC/TN/ | $95.0M | 152,322 | 4.95% | 6q | +16.6%+$13.5M |
| MARSHALL WACE, LLP | $93.5M incl. $79.2M options PUT | 23,000 | 0.07% | 23q | +6415.6%+$92.1M |
| RENAISSANCE TECHNOLOGIES LLC | $92.4M | 148,222 | 0.13% | 20q | +121.9%+$50.8M |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE | $92.3M | 147,961 | 0.07% | 31q | -63.8%-$162.7M |
| Jupiter Topco LLC | $90.3M | 144,821 | 0.04% | new | FIRST |
| WELLS FARGO & COMPANY/MN | $87.8M | 140,802 | 0.01% | 31q | -0.9%-$760.1K |
| MACKENZIE FINANCIAL CORP | $84.7M | 135,783 | 0.08% | 31q | +57.3%+$30.8M |
| Thrivent Financial for Lutherans | $82.0M | 131,457 | 0.14% | 31q | +1457.5%+$76.7M |
| PRUDENTIAL FINANCIAL INC | $81.5M | 130,659 | 0.09% | 34q | -7.0%-$6.1M |
Showing the largest 100 of 1,351 reported holders. The count of 1,350 above leaves out 1 position whose reported value failed our price check; it is listed here as filed.
Q2 2026 in brief
In Q2 2026, 1,350 managers that file Form 13F reported holding Regeneron Pharmaceuticals (REGN), $60.3B in all. 120 managers opened a position and 184 sold out completely, against 1,414 holders the quarter before. Largest holders: Blackrock, Inc., Vanguard Capital Management Llc and Dodge & Cox. Largest new positions: Hrt Financial Lp ($22.5M), Aquatic Capital Management Llc ($20.3M) and Ranmore Fund Management Ltd ($18.7M).
Q2 2026 is the latest quarter whose 13F deadline has passed. A 13F shows long US stock positions at quarter end, filed up to 45 days later; an adviser and a sub-adviser can both report the same shares.
What the company announced
Form 8-K filings from the last 120 days, showing only the items worth a reader's attention. Earnings releases, exhibit attachments and general disclosures are filed constantly and are left out. Filed is when the SEC received it; event is the date the company says the thing happened.
| Filed | Event date | What | Source |
|---|---|---|---|
| 2026-10-06 | 2026-10-01 | Material agreement entered | filing |
| 2026-09-30 | 2026-09-24 | Directors or officers departed or appointed | filing |
What the insiders did
Open market purchases and sales reported on Form 4 in the last 180 days. Grants, option exercises and shares surrendered to cover tax are left out: they are compensation rather than a decision to buy or sell. Where a broker filled one order in tranches the lines are summed, because it was one decision.
Officers and directors
| Date | Insider | Role | Side | Shares | Value |
|---|---|---|---|---|---|
| 2026-10-14 | MURPHY ANDREW J | Co-Chief Scientific Officer | Sold | 4,147 | $3.2M ×27 |
| 2026-09-02 | McCourt Marion | EVP Commercial | Sold | 1,215 | $1.0M |
| 2026-09-03 | McCourt Marion | EVP Commercial | Sold | 1,131 | $969.7K |
| 2026-08-10 | Zoghbi Huda Y | Director | Sold | 800 | $640.0K |
| 2026-09-02 | Guarini Kathryn | Director | Sold | 400 | $340.0K |
| 2026-08-10 | Guarini Kathryn | Director | Sold | 400 | $320.0K |
| 2026-07-02 | RYAN ARTHUR F | Director | Sold | 200 | $130.0K |
Quarter by quarter
Coverage begins with the quarter ending 2018-12-31. Earlier filings exist only as occasional late amendments, too sparse to describe a market, so they are not shown.
| Quarter | Holders | Value | Shares | New | Added | Trimmed | Options |
|---|---|---|---|---|---|---|---|
| Q3 2026 | 483 | $2.9B | 3,783,948 | 83 | 150 | 151 | 0.1% |
| Q2 2026 | 1,350 | $60.3B | 93,263,827 | 111 | 458 | 522 | 3.4% |
| Q1 2026 | 1,414 | $71.9B | 90,551,711 | 109 | 539 | 431 | 3.0% |
| Q4 2025 | 1,403 | $74.3B | 91,912,667 | 192 | 474 | 445 | 4.5% |
| Q3 2025 | 1,255 | $53.9B | 91,220,824 | 162 | 469 | 397 | 4.9% |
| Q2 2025 | 1,210 | $49.4B | 89,744,595 | 118 | 425 | 461 | 4.5% |
| Q1 2025 | 1,301 | $61.1B | 93,273,192 | 123 | 511 | 430 | 3.2% |
| Q4 2024 | 1,330 | $69.1B | 93,670,295 | 87 | 459 | 484 | 3.4% |
| Q3 2024 | 1,401 | $108.7B | 100,527,444 | 120 | 512 | 429 | 3.1% |
| Q2 2024 | 1,345 | $110.6B | 102,655,948 | 115 | 508 | 396 | 2.5% |
| Q1 2024 | 1,320 | $102.1B | 103,402,144 | 131 | 451 | 430 | 2.6% |
| Q4 2023 | 1,280 | $91.1B | 99,927,357 | 102 | 419 | 402 | 3.6% |
| Q3 2023 | 1,190 | $78.2B | 91,316,062 | 96 | 370 | 414 | 3.9% |
| Q2 2023 | 1,176 | $69.4B | 92,094,594 | 77 | 380 | 428 | 4.5% |
| Q1 2023 | 1,207 | $87.9B | 102,188,327 | 124 | 419 | 408 | 4.6% |
| Q4 2022 | 1,167 | $69.9B | 93,010,123 | 119 | 303 | 463 | 4.1% |
| Q3 2022 | 1,071 | $136.7B | 279,302,334 | 107 | 336 | 389 | 2.0% |
| Q2 2022 | 1,057 | $122.2B | 295,693,498 | 85 | 342 | 399 | 1.4% |
| Q1 2022 | 1,092 | $142.8B | 268,986,366 | 125 | 365 | 379 | 1.3% |
| Q4 2021 | 1,078 | $128.5B | 280,866,472 | 100 | 396 | 296 | 2.5% |
| Q3 2021 | 1,016 | $120.6B | 244,220,845 | 129 | 375 | 302 | 2.2% |
| Q2 2021 | 972 | $102.4B | 260,496,029 | 148 | 341 | 275 | 2.2% |
| Q1 2021 | 913 | $97.6B | 275,504,894 | 123 | 368 | 281 | 2.4% |
| Q4 2020 | 900 | $82.3B | 241,288,493 | 94 | 359 | 257 | 4.0% |
| Q3 2020 | 908 | $113.9B | 331,526,001 | 92 | 351 | 295 | 1.6% |
| Q2 2020 | 938 | $134.4B | 283,256,373 | 194 | 370 | 240 | 1.6% |
| Q1 2020 | 823 | $114.6B | 306,425,872 | 201 | 264 | 247 | 1.7% |
| Q4 2019 | 700 | $57.2B | 191,392,125 | 103 | 189 | 238 | 2.9% |
| Q3 2019 | 627 | $37.6B | 279,583,028 | 54 | 233 | 207 | 2.8% |
| Q2 2019 | 656 | $56.0B | 357,875,304 | 63 | 226 | 245 | 3.1% |
| Q1 2019 | 713 | $73.6B | 226,998,282 | 100 | 299 | 183 | 1.8% |
| Q4 2018 | 676 | $85.7B | 478,171,184 | 6 | 17 | 6 | 2.0% |