greeksoup/ stock research
Stock research / United States / REGN / 13F holders

Regeneron Pharmaceuticals, Inc. 13F holders

1,344 funds reported a position in Regeneron Pharmaceuticals, Inc. in their 13F for the quarter ended 30 June 2026, together 91.7 million shares worth $57.27 billion. Against the quarter before, 90 opened a position, 479 added, 536 trimmed and 168 sold out; together they sold a net 214,086 shares. The largest holders: BlackRock, Inc., Vanguard Capital Management LLC and Dodge & Cox.

Funds holding1,344-60 on Q1 2026
Shares they held91.7Mworth $57.27 billion
Net sold on the quarter214,086 sharesabout $133.7 million at the funds' values
Funds buying to selling569 to 704opened or added, to cut or sold
Opened 90Added 479Held 234Trimmed 536Sold out 168
Opened: 90 fundsAdded: 479 fundsHeld: 234 fundsTrimmed: 536 fundsSold out: 168 funds

What each fund did in REGN against its 13F for the quarter before; a change under 0.1% of a holding counts as held

Q3 2024: 1,394 funds, 101.4 million shares1,394Q3 2024Q4 2024: 1,320 funds, 93.7 million shares1,320Q4 2024Q1 2025: 1,293 funds, 93.3 million shares1,293Q1 2025Q2 2025: 1,205 funds, 89.7 million shares1,205Q2 2025Q3 2025: 1,248 funds, 91.2 million shares1,248Q3 2025Q4 2025: 1,391 funds, 91.9 million shares1,391Q4 2025Q1 2026: 1,404 funds, 90.5 million shares1,404Q1 2026Q2 2026: 1,344 funds, 91.7 million shares1,344Q2 2026

Funds reporting a position in REGN in their 13F, each quarter; hover a bar for the shares they held

Filed so far for the quarter to 30 September 2026

4,696 funds have filed their 13F for the quarter so far; the rest are due by 16 November 2026. Of those, 756 reported a position in Regeneron Pharmaceuticals, Inc.: 99 opened one, 262 added, 236 trimmed and 40 sold out, a net 223,165 shares bought.

FundChange in sharesShares nowStatusFiling
Assenagon Asset Management S.A.-452,97336,881trimmed13F
Deutsche Bank AG+168,936687,345added13F
Citigroup Inc.-164,094182,543trimmed13F
Amundi+137,4921,151,032added13F
DekaBank Deutsche Girozentrale-123,83287,375trimmed13F
Barclays PLC+92,245348,437added13F
Robeco Institutional Asset Management B.V.-57,644402,958trimmed13F
Dimensional Fund Advisors LP+49,957609,644added13F
Smith Group Asset Management, LLC+40,11440,114new13F
Mirae Asset Global Investments Co., Ltd.+32,940126,572added13F
Vest Financial, LLC+28,73277,214added13F
Thrivent Financial for Lutherans+27,107158,564added13F
Russell Investments Group, Ltd.-26,384203,767trimmed13F
Loring Wolcott & Coolidge Fiduciary Advisors LLP-26,11439,761trimmed13F
Polaris Capital Management, LLC+25,04025,040new13F
Pictet Asset Management Holding SA-24,392129,108trimmed13F
Bank of New York Mellon Corp-23,819734,673trimmed13F
Creative Planning+22,65359,602added13F
Y-Intercept (Hong Kong) Ltd+22,64425,842added13F
Candriam S.C.A.-22,528173,146trimmed13F
McDonald Capital Investors Inc.-20,389172,649trimmed13F
Generate Investment Management Ltd-17,2335,767trimmed13F
Aberdeen Group plc+569,476671,042added13F
Wedge Capital Management L L P-14,04233,733trimmed13F
Natixis+13,88020,479added13F

The largest moves in the name among the funds that have filed, against each fund's previous 13F.

The well-known funds

Of the 44 funds followed here, 1 reported a position in Regeneron Pharmaceuticals, Inc. in a 13F for the quarter ended 30 September 2026, and 9 more in a 13F for an earlier quarter, the latest each has filed. The largest: Dodge & Cox, 4.9 million shares worth $3.04 billion, 1.6% of its reported book (its 13F for the quarter ended 30 June 2026). Sold out: Capital Research Global Investors, Point72 Asset Management, Scion Asset Management. In the quarter, 1 fund added or opened a position and 0 trimmed or sold out; together they bought a net 7,016 shares, about $5.3 million at the funds' own value per share on 30 September 2026. A change under 0.1% of a holding counts as held.

FundSharesValueOf its bookChange on the quarterStatusQuarter endedFiling
Dodge & Cox4,871,137$3.04 billion1.6%+412,899added30 June 2026, an earlier quarter13F
Geode Capital Management2,632,826$1.99 billion0.1%+7,016added30 September 202613F
Norges Bank1,172,808$731.3 million0.1%held30 June 2026, an earlier quarter13F
FMR LLC831,964$518.8 million0.0%-686,228trimmed30 June 2026, an earlier quarter13F
Two Sigma Investments656,124$409.1 million0.3%-156,112trimmed30 June 2026, an earlier quarter13F
Millennium Management165,120$103.0 million0.1%+102,390added30 June 2026, an earlier quarter13F
Southeastern Asset Management152,322$95.0 million5.0%+21,660added30 June 2026, an earlier quarter13F
Renaissance Technologies148,222$92.4 million0.1%+81,420added30 June 2026, an earlier quarter13F
Citadel Advisors57,604$35.9 million0.0%+9,917added30 June 2026, an earlier quarter13F
Bridgewater Associates51,333$32.0 million0.1%+28,609added30 June 2026, an earlier quarter13F
Capital Research Global Investors0$00.0%-101,891exited30 June 2026, an earlier quarter13F
Point72 Asset Management0$00.0%-2,175exited30 June 2026, an earlier quarter13F
Scion Asset Management0$00.0%-15,000exited30 September 2025, an earlier quarter13F
Value is what the fund reported.
Read moreChange is shares against the fund's previous 13F; a fund with one filing read shows no change. 13Fs cover long US positions of managers above $100 million and are filed up to 45 days after the quarter.

The largest holders

FundSharesShare of allValueOf its bookChange in sharesFiling
BlackRock, Inc.9,113,5069.94%$5.68 billion0.09%+165,77113F
Vanguard Capital Management LLC6,629,7597.23%$4.13 billion0.09%-25,15413F
Dodge & Cox4,871,1375.31%$3.04 billion1.59%+412,89913F
State Street Corp.4,834,6885.27%$3.01 billion0.09%+170,21013F
Invesco Ltd.3,940,6654.30%$2.46 billion0.19%+35,55613F
JPMorgan Chase & Co.3,774,1994.12%$2.38 billion0.14%-537,60713F
Vanguard Portfolio Management LLC3,175,3133.46%$1.98 billion0.09%+1,454,53913F
Franklin Resources Inc.2,771,8393.02%$1.73 billion0.38%+49,76813F
Geode Capital Management, LLC2,625,8102.86%$1.63 billion0.09%+18,07813F
Nuveen, LLC2,019,9742.20%$1.26 billion0.30%-45,09013F
Loomis Sayles & Co. L P1,859,1722.03%$1.16 billion1.45%-53,13813F
Price T Rowe Associates Inc.1,529,7091.67%$953.8 million0.10%-647,81813F
Morgan Stanley1,397,7121.52%$871.5 million0.05%+78,38313F
Bank of America Corp.1,291,0531.41%$805.0 million0.05%+101,46913F
Wellington Management Group LLP1,270,0871.39%$792.0 million0.14%-567,37213F
Norges Bank1,172,8081.28%$731.3 million0.07%13F
Goldman Sachs Group Inc.1,163,1911.27%$725.3 million0.08%-137,36713F
AQR Capital Management LLC1,126,0801.23%$702.2 million0.24%-104,92813F
Amundi1,013,5401.11%$632.0 million0.15%+3,74213F
Northern Trust Corp.916,4671.00%$571.5 million0.07%-25,47413F
Charles Schwab Investment Management Inc.846,3060.92%$527.7 million0.07%+41,79813F
FMR LLC831,9640.91%$518.8 million0.02%-686,22813F
Capital World Investors814,9250.89%$508.1 million0.06%-604,07513F
Legal & General Group Plc759,9710.83%$473.9 million0.10%+27,91713F
Bank of New York Mellon Corp758,4920.83%$473.0 million0.08%-6,91913F
UBS AM, a distinct business unit of UBS Asset Management Americas LLC716,5600.78%$446.8 million0.08%-7,06113F
Two Sigma Investments, LP656,1240.72%$409.1 million0.32%-156,11213F
Vanguard Fiduciary Trust Co.563,7110.61%$351.5 million0.08%-6,22913F
Dimensional Fund Advisors LP559,6870.61%$349.0 million0.06%+46,62713F
First Trust Advisors LP547,1320.60%$341.2 million0.20%+200,27713F
Deutsche Bank AG518,4090.57%$323.2 million0.09%-106,97913F
Assenagon Asset Management S.A.489,8540.53%$305.4 million0.20%13F
Robeco Institutional Asset Management B.V.460,6020.50%$287.2 million0.35%+111,81513F
Man Group plc436,9560.48%$272.5 million0.51%+121,74413F
SG Americas Securities, LLC427,7030.47%$266.7 million0.15%+269,42513F
Neuberger Berman Group LLC421,9760.46%$263.1 million0.17%-5,15313F
BNP Paribas Financial Markets399,8470.44%$249.3 million0.13%-48,52413F
Arrowstreet Capital, Limited Partnership393,6850.43%$245.5 million0.11%+222,11413F
HSBC Holdings PLC382,0280.42%$238.5 million0.12%+58,69013F
Allianz Asset Management GmbH380,6180.42%$237.3 million0.22%+79,42213F
National Pension Service379,8150.41%$236.8 million0.15%+8,26413F
Pacer Advisors, Inc.369,4510.40%$230.4 million0.60%+10,81813F
Nordea Investment Management AB363,4790.40%$227.4 million0.18%+269,15713F
AllianceBernstein L.P.292,3380.32%$225.9 million0.07%-134,57613F
Worldquant Millennium Advisors LLC353,9700.39%$220.7 million0.76%+253,30113F
Citigroup Inc.346,6370.38%$216.1 million0.10%+161,94613F
BNP Paribas Asset Management Holding S.A.331,5600.36%$206.7 million0.21%+58,44013F
UBS Group AG298,2340.33%$186.0 million0.03%-1,74513F
Swiss National Bank293,0200.32%$182.7 million0.10%-10,12013F
Sumitomo Mitsui Trust Group, Inc.282,1990.31%$176.0 million0.10%+8,53013F
The 50 largest of the 1,344 funds that reported a position in REGN in their 13F for the quarter ended 30 June 2026, by the value each reported.
Read moreShare of all is the fund's part of all the shares the funds reported. Change is shares against the fund's 13F for the quarter before. A 13F lists a manager's long positions in US-listed shares at the quarter's end. What is a 13F?

Options the funds reported on REGN

FundOptionShares under the optionsValue of those sharesQuarter endedFiling
Citadel AdvisorsCalls271,300$169.2 million30 June 202613F
Citadel AdvisorsPuts264,600$165.0 million30 June 202613F
Millennium ManagementPuts36,100$22.5 million30 June 202613F
Millennium ManagementCalls34,400$21.4 million30 June 202613F
Point72 Asset ManagementCalls1,000$623,54030 June 202613F
Point72 Asset ManagementPuts1,000$623,54030 June 202613F
A 13F lists calls and puts by the shares they cover and what those shares were worth at the quarter's end, not what the options cost.
Read moreThey are not counted in the holdings above. A put gains when the stock falls, a call when it rises, and a fund may hold either to hedge.

Schedule 13D and 13G filed on the name, last twelve months

FiledScheduleWhoHoldingOf the classEvent dateRule or purposeFiling
30 April 202613GVanguard Capital Management and 1 other7.7 million7.4%31 March 2026passive, institutional (13d-1(b))EDGAR
27 March 202613G/AThe Vanguard Group and 1 other00.0%13 March 2026passive, institutional (13d-1(b))EDGAR
A Schedule 13D is filed by anyone who crosses 5% of a class with intent to influence; a 13G by a passive holder.
Read moreAmendments (/A) report a change, including an exit to zero. Holding and percentage are as the filer stated them on the cover page; the purpose is the filer's own words, cut short. 13D and 13G

Fails to deliver

Settlement dateShares failedPriceFile
20 August 202621$840.84SEC
18 August 20262,016$805.93SEC
14 August 202660$805.97SEC
10 August 20261,444$784.36SEC
3 August 2026132$762.63SEC
31 July 20261,276$738.34SEC
30 July 20261$695.42SEC
24 July 202628$651.91SEC
23 July 202628$651.18SEC
22 July 202628$675.19SEC
20 July 202652$676.69SEC
Shares that failed to deliver at settlement, per day, from the SEC's half-month files, which arrive about two weeks after the period.
Read moreLargest in the window: 2,016 on 18 August 2026. A fail is an operational fact about settlement, not a position.