Reported 434,774 shares, down 476,753 (52.3%) from the prior quarter.
Reported value -65.7%; share count -52.3% 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 | 454870000 |
| 2021-12-31 | 322745000 |
| 2022-03-31 | 192954000 |
| 2022-06-30 | 105149000 |
| 2022-09-30 | 92114000 |
| 2022-12-31 | 70302422 |
| 2023-03-31 | 99582920 |
| 2023-06-30 | 80650731 |
| 2023-09-30 | 77075645 |
| 2023-12-31 | 77041423 |
| 2024-03-31 | 78403625 |
| 2024-06-30 | 38791561 |
| 2024-09-30 | 59312806 |
| 2024-12-31 | 51747438 |
| 2025-03-31 | 55608588 |
| 2025-06-30 | 37258775 |
| 2025-09-30 | 47910269 |
| 2025-12-31 | 149362814 |
| 2026-03-31 | 51225073 |
| 2026-06-30 | 100111349 |
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 | 733,739 | +298,965 (68.8%) | 0.33% | $100,111,349 | 2026-08-14 | |
| Q1 2026 | Reduced | 434,774 | -476,753 (-52.3%) | 0.23% | $51,225,073 | 2026-05-15 | |
| Q4 2025 | Added | 911,527 | +553,105 (154.3%) | 0.59% | $149,362,814 | 2026-02-17 | |
| Q3 2025 | Added | 358,422 | +58,866 (19.7%) | 0.19% | $47,910,269 | 2025-11-14 | |
| Q2 2025 | Reduced | 299,556 | -137,481 (-31.5%) | 0.17% | $37,258,775 | 2025-08-14 | |
| Q1 2025 | Added | 437,037 | +77,530 (21.6%) | 0.32% | $55,608,588 | 2025-05-16 | |
| Q4 2024 | Reduced | 359,507 | -39,047 (-9.8%) | 0.25% | $51,747,438 | 2025-02-14 | |
| Q3 2024 | Added | 398,554 | +90,831 (29.5%) | 0.29% | $59,312,806 | 2024-11-14 | |
| Q2 2024 | Reduced | 307,723 | -118,569 (-27.8%) | 0.19% | $38,791,561 | 2024-08-14 | |
| Q1 2024 | Reduced | 426,292 | -2,192 (-0.5%) | 0.39% | $78,403,625 | 2024-05-15 | |
| Q4 2023 | Reduced | 428,484 | -56,238 (-11.6%) | 0.42% | $77,041,423 | 2024-02-14 | |
| Q3 2023 | Reduced | 484,722 | -85,409 (-15.0%) | 0.44% | $77,075,645 | 2023-11-14 | |
| Q2 2023 | Reduced | 570,131 | -21,357 (-3.6%) | 0.41% | $80,650,731 | 2023-08-14 | |
| Q1 2023 | Added | 591,488 | +176,259 (42.4%) | 0.53% | $99,582,920 | 2023-05-15 | |
| Q4 2022 | Reduced | 415,229 | -77,067 (-15.7%) | 0.38% | $70,302,422 | 2023-02-14 | |
| Q3 2022 | Reduced | 492,296 | -155,171 (-24.0%) | 0.47% | $92,114,000 | 2022-11-15 | |
| Q2 2022 | Reduced | 647,467 | -378,391 (-36.9%) | 0.49% | $105,149,000 | 2022-08-15 | |
| Q1 2022 | Reduced | 1,025,858 | -192,784 (-15.8%) | 0.62% | $192,954,000 | 2022-05-16 | |
| Q4 2021 | Reduced | 1,218,642 | -355,356 (-22.6%) | 0.81% | $322,745,000 | 2022-02-14 | |
| Q3 2021 | Added | 1,573,998 | +187,901 (13.6%) | 1.08% | $454,870,000 | 2021-11-15 | |
|
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Who else reported the position
542 managers reported REPLIGEN CORP for Q1 2026.
| Manager | Activity | Shares | Change | % of reported 13F | Reported value | Tenure |
|---|---|---|---|---|---|---|
| BlackRock Inc | Reduced | 5,993,054 | -626,217 | 0.01% | $706,101,618 | 7 qtrs |
| PRICE T ROWE ASSOCIATES INC MD | Added | 4,878,141 | +279,080 | 0.07% | $574,743,000 | 44 qtrs |
| FMR LLC | Added | 2,886,786 | +18,940 | 0.02% | $340,121,066 | 52 qtrs |
| UNITED CAPITAL FINANCIAL ADVISERS LLC | Added | 2,773,980 | +3,118 | 2.01% | $326,830,324 | 3 qtrs |
| VANGUARD CAPITAL MANAGEMENT LLC | New | 2,396,511 | +2,396,511 | < 0.01% | $282,356,926 | 1 qtr |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New | 2,305,094 | +2,305,094 | 0.01% | $271,586,175 | 1 qtr |
| STATE STREET CORPORATION | Added | 1,777,285 | +58,192 | < 0.01% | $209,399,719 | 52 qtrs |
| THE BANK OF NEW YORK MELLON CORPORATION | Added | 1,531,402 | +186,696 | 0.03% | $180,429,810 | 52 qtrs |
| MAVERICK CAPITAL LTD | New | 1,518,805 | +1,518,805 | 2.06% | $178,945,605 | 1 qtr |
| MASSACHUSETTS FINANCIAL SERVICES CO MA | Added | 1,397,515 | +181,988 | 0.06% | $164,653,111 | 2 qtrs |
Filing details and methodology As reported
- Report period
- March 31, 2026
- Filed
- May 15, 2026
- Filing type
- 13F-HR
- Position type
- Equity
Voting authority reported
- Sole
- 434,774
- Shared
- 0
- None
- 0
“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.