Regeneron Pharmaceuticals, Inc. 13F holders
Of the 44 funds followed here, 11 reported a position in Regeneron Pharmaceuticals, Inc. in a 13F for the quarter ended 30 June 2026. The largest: Dodge & Cox, 4.9 million shares worth $3.04 billion, 1.6% of its reported book. Sold out: Capital Research Global Investors, Scion Asset Management.
| Fund | Shares | Value | Of its book | Change on the quarter | Status | Quarter ended | Filing |
|---|---|---|---|---|---|---|---|
| Dodge & Cox | 4,871,137 | $3.04 billion | 1.6% | +412,899 | added | 30 June 2026 | 13F |
| Geode Capital Management | 2,625,810 | $1.63 billion | 0.1% | +18,078 | added | 30 June 2026 | 13F |
| Norges Bank | 1,172,808 | $731.3 million | 0.1% | held | 30 June 2026 | 13F | |
| FMR LLC | 831,964 | $518.8 million | 0.0% | -686,228 | trimmed | 30 June 2026 | 13F |
| Two Sigma Investments | 656,124 | $409.1 million | 0.3% | -156,112 | trimmed | 30 June 2026 | 13F |
| Citadel Advisors | 593,504 | $370.1 million | 0.0% | +159,717 | added | 30 June 2026 | 13F |
| Millennium Management | 235,620 | $146.9 million | 0.1% | +103,390 | added | 30 June 2026 | 13F |
| Southeastern Asset Management | 152,322 | $95.0 million | 5.0% | +21,660 | added | 30 June 2026 | 13F |
| Renaissance Technologies | 148,222 | $92.4 million | 0.1% | +81,420 | added | 30 June 2026 | 13F |
| Bridgewater Associates | 51,333 | $32.0 million | 0.1% | +28,609 | added | 30 June 2026 | 13F |
| Point72 Asset Management | 2,000 | $1.2 million | 0.0% | -148,575 | trimmed | 30 June 2026 | 13F |
| Capital Research Global Investors | 0 | $0 | 0.0% | -101,891 | exited | 30 June 2026 | 13F |
| Scion Asset Management | 0 | $0 | 0.0% | -215,000 | exited | 30 September 2025 | 13F |
Value is what the fund reported. Change 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.
Schedule 13D and 13G filed on the name, last twelve months
| Filed | Schedule | Who | Holding | Of the class | Event date | Rule or purpose | Filing |
|---|---|---|---|---|---|---|---|
| 30 April 2026 | 13G | Vanguard Capital Management and 1 other | 7.7 million | 7.4% | 31 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 27 March 2026 | 13G/A | The Vanguard Group and 1 other | 0 | 0.0% | 13 March 2026 | passive, 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. Amendments (/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.
Fails to deliver
| Settlement date | Shares failed | Price | File |
|---|---|---|---|
| 20 August 2026 | 21 | $840.84 | SEC |
| 18 August 2026 | 2,016 | $805.93 | SEC |
| 14 August 2026 | 60 | $805.97 | SEC |
| 10 August 2026 | 1,444 | $784.36 | SEC |
| 3 August 2026 | 132 | $762.63 | SEC |
| 31 July 2026 | 1,276 | $738.34 | SEC |
| 30 July 2026 | 1 | $695.42 | SEC |
| 24 July 2026 | 28 | $651.91 | SEC |
| 23 July 2026 | 28 | $651.18 | SEC |
| 22 July 2026 | 28 | $675.19 | SEC |
| 20 July 2026 | 52 | $676.69 | SEC |
Shares that failed to deliver at settlement, per day, from the SEC's half-month files, which arrive about two weeks after the period. Largest in the window: 2,016 on 18 August 2026. A fail is an operational fact about settlement, not a position.
Source
Each fund's 13F-HR on EDGAR, linked per row; positions matched to REGN by CUSIP from the SEC's own fails-to-deliver files; Schedule 13D and 13G from the company's own filing index, each read to confirm the company is the issuer named.
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