Reported 1,956,210 shares, down 34,458 (1.7%) from the prior quarter.
Reported value -9.8%; share count -1.7% vs. the prior quarter.
Reported position value by quarter
Each bar is a Form 13-F quarter-end snapshot. It does not show trades made within the quarter.
| Date | Holding Value |
|---|---|
| 2021-09-30 | 213294000 |
| 2021-12-31 | 187253000 |
| 2022-03-31 | 201297000 |
| 2022-06-30 | 280813000 |
| 2022-09-30 | 331829000 |
| 2022-12-31 | 394006366 |
| 2023-03-31 | 363066271 |
| 2023-06-30 | 407705928 |
| 2023-09-30 | 383745281 |
| 2023-12-31 | 408281862 |
| 2024-03-31 | 366869843 |
| 2024-06-30 | 372421216 |
| 2024-09-30 | 365824336 |
| 2024-12-31 | 272558304 |
| 2025-03-31 | 272403521 |
| 2025-06-30 | 245680815 |
| 2025-09-30 | 315395300 |
| 2025-12-31 | 409179635 |
| 2026-03-31 | 397998875 |
| 2026-06-30 | 520979947 |
Quarterly position history
How this manager's reported quarter-end position changed over time.
| Quarter | Activity | Shares | Change | % of reported 13F | Reported value | Filed | Source filing |
|---|---|---|---|---|---|---|---|
| Q2 2026 | Added | 2,411,271 | +240,331 (11.1%) | 0.03% | $520,979,947 | 2026-08-13 | |
| Q1 2026 | Reduced | 2,170,940 | -154,073 (-6.6%) | 0.02% | $397,998,875 | 2026-05-15 | |
| Q4 2025 | Added | 2,325,013 | +73,478 (3.3%) | 0.02% | $409,179,635 | 2026-02-13 | |
| Q3 2025 | Added | 2,251,535 | +295,325 (15.1%) | 0.02% | $315,395,300 | 2025-11-14 | |
| Q2 2025 | Reduced | 1,956,210 | -34,458 (-1.7%) | 0.02% | $245,680,815 | 2025-08-15 | |
| Q1 2025 | Added | 1,990,668 | +208,312 (11.7%) | 0.02% | $272,403,521 | 2025-05-15 | |
| Q4 2024 | Reduced | 1,782,356 | -104,890 (-5.6%) | 0.02% | $272,558,304 | 2025-02-14 | |
| Q3 2024 | Added | 1,887,246 | +280,738 (17.5%) | 0.03% | $365,824,336 | 2024-11-14 | |
| Q2 2024 | Reduced | 1,606,508 | -94,875 (-5.6%) | 0.03% | $372,421,216 | 2024-08-14 | |
| Q1 2024 | Added | 1,701,383 | +123,606 (7.8%) | 0.03% | $366,869,843 | 2024-05-15 | |
| Q4 2023 | Added | 1,577,777 | +84,664 (5.7%) | 0.04% | $408,281,862 | 2024-02-13 | |
| Q3 2023 | Added | 1,493,113 | +61,814 (4.3%) | 0.04% | $383,745,281 | 2023-11-15 | |
| Q2 2023 | Added | 1,431,299 | +125,448 (9.6%) | 0.04% | $407,705,928 | 2023-08-14 | |
| Q1 2023 | Reduced | 1,305,851 | -116,965 (-8.2%) | 0.04% | $363,066,271 | 2023-05-15 | |
| Q4 2022 | Added | 1,422,816 | +180,012 (14.5%) | 0.04% | $394,006,366 | 2023-02-14 | |
| Q3 2022 | Reduced | 1,242,804 | -134,131 (-9.7%) | 0.05% | $331,829,000 | 2022-11-14 | |
| Q2 2022 | Added | 1,376,935 | +421,110 (44.1%) | 0.04% | $280,813,000 | 2022-08-15 | |
| Q1 2022 | Added | 955,825 | +175,345 (22.5%) | 0.03% | $201,297,000 | 2022-05-13 | |
| Q4 2021 | Added | 780,480 | +26,765 (3.6%) | 0.02% | $187,253,000 | 2022-02-14 | |
| Q3 2021 | Added | 753,715 | +51,540 (7.3%) | 0.03% | $213,294,000 | 2021-11-15 | |
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Who else reported the position
968 managers reported BIOGEN INC for Q2 2025.
| Manager | Activity | Shares | Change | % of reported 13F | Reported value | Tenure |
|---|---|---|---|---|---|---|
| VANGUARD GROUP INC | Added | 17,290,651 | +257,812 | 0.04% | $2,171,532,858 | 49 qtrs |
| PRIMECAP MANAGEMENT CO CA | Reduced | 15,802,122 | -141,137 | 1.57% | $1,984,588,503 | 49 qtrs |
| BlackRock Inc | Reduced | 13,555,466 | -1,655,570 | 0.03% | $1,702,431,056 | 4 qtrs |
| STATE STREET CORPORATION | Added | 7,468,807 | +71,897 | 0.04% | $938,007,471 | 49 qtrs |
| WELLINGTON MANAGEMENT GROUP LLP | Added | 4,798,420 | +125,983 | 0.11% | $602,633,568 | 49 qtrs |
| GEODE CAPITAL MANAGEMENT LLC | Added | 3,918,150 | +71,286 | 0.03% | $490,089,204 | 49 qtrs |
| Point72 Asset Management L P | Added | 3,831,727 | +3,424,470 | 0.94% | $481,226,574 | 2 qtrs |
| Invesco Ltd | Added | 2,320,126 | +55,119 | 0.05% | $291,384,624 | 49 qtrs |
| NORGES BANK | Added | 2,264,177 | +110,791 | 0.04% | $284,357,989 | 49 qtrs |
| MORGAN STANLEY This report | Reduced | 1,956,210 | -34,458 | 0.02% | $245,680,815 | 49 qtrs |
Filing details and methodology As reported
- Report period
- June 30, 2025
- Filed
- August 15, 2025
- Filing type
- 13F-HR
- Position type
- COM
Voting authority reported
- Sole
- 1,584,047
- Shared
- 0
- None
- 372,163
“None” means the manager reported no voting authority for those shares on non-routine matters. It does not disclose why and is not evidence of securities lending.
Form 13-F is a delayed quarter-end snapshot of disclosed long Section 13(f) securities. It can be filed up to 45 days after quarter end, excludes short positions and most non-U.S. securities, and does not reveal intra-quarter trading. For options, reported shares and value describe the underlying-share exposure; strike, expiry, premium, and written positions are not disclosed.