CHARLES SCHWAB INVESTMENT MANAGEMENT INC
Position in REGN — Regeneron Pharmaceuticals, Inc.
CIK 884546
SAN FRANCISCO, CA
Position in REGN
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$621,595,061
+$21,079,430 QoQ
Shares Held
804,508
+3.4% QoQ
Ownership
0.767%
of shares outstanding
% of Portfolio
0.11%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 99.99465511840778.ToString("F0")%
Shared 0.ToString("F0")%
None 0.005344881592227796.ToString("F0")%
Common Shares in REGN Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Mar 31, 2026CHARLES SCHWAB INVESTMENT MANAGEMENT INC holds $6,181,979,796 across 287 Biotechnology names. REGN ranks #2 (10.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
1,920,871 | $857,745,736 | |
| 2 | REGN |
Regeneron Pharmaceuticals, Inc.
This page
|
804,508 | $621,595,061 | |
| 3 | MRNA |
Moderna, Inc.
|
4,734,356 | $240,505,284 | |
| 4 | ALNY |
Alnylam Pharmaceuticals, Inc.
|
673,356 | $222,793,299 | |
| 5 | INSM |
INSMED Inc
|
1,069,390 | $174,866,652 | |
| 6 | RVMD |
Revolution Medicines, Inc.
|
1,735,476 | $168,775,041 | |
| 7 | INCY |
Incyte Corp
|
1,729,102 | $162,743,080 | |
| 8 | BBIO |
BridgeBio Pharma, Inc.
|
1,976,094 | $146,744,740 |
All Filings in REGN
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $621,595,061 | 804,508 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $600,515,631 | 778,001 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $424,831,532 | 755,565 | Shares | Sole | 2025-11-10 | |
| 2025-06-30 | $378,143,325 | 720,273 | Shares | Sole | 2025-08-12 | |
| 2025-03-31 | $448,045,441 | 706,440 | Shares | Sole | 2025-09-15 | |
| 2024-12-31 | $495,638,501 | 695,799 | Shares | Sole | 2025-02-06 | |
| 2024-09-30 | $707,758,893 | 673,261 | Shares | Sole | 2024-11-12 | |
| 2024-06-30 | $695,531,714 | 661,762 | Shares | Sole | 2024-08-12 | |
| 2024-03-31 | $614,283,255 | 638,223 | Shares | Sole | 2024-05-09 | |
| 2023-12-31 | $545,080,826 | 620,616 | Shares | Sole | 2024-02-06 | |
| 2023-09-30 | $492,177,811 | 598,058 | Shares | Sole | 2023-11-08 | |
| 2023-06-30 | $431,149,867 | 600,036 | Shares | Sole | 2023-08-10 | |
| 2023-03-31 | $489,389,938 | 595,604 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $423,473,505 | 586,943 | Shares | Sole | 2023-02-13 | |
| 2022-09-30 | $394,724,576 | 573,003 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $337,217,202 | 570,462 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $392,607,025 | 562,136 | Shares | Sole | 2022-05-13 | |
| 2021-12-31 | $351,310,786 | 556,294 | Shares | Sole | 2022-02-11 | |
| 2021-09-30 | $320,459,755 | 529,528 | Shares | Sole | 2021-11-16 | |
| 2021-06-30 | $281,997,350 | 504,883 | Shares | Sole | 2021-08-16 | |
| 2021-03-31 | $236,470,640 | 499,790 | Shares | Sole | 2021-05-17 | |
| 2020-12-31 | $249,356,743 | 516,149 | Shares | Sole | 2021-02-16 | |
| 2020-09-30 | $285,579,603 | 510,164 | Shares | Sole | 2020-11-13 | |
| 2020-06-30 | $294,065,318 | 471,523 | Shares | Sole | 2020-08-20 | |
| 2020-03-31 | $174,366,894 | 357,097 | Shares | Sole | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||