REPLIGEN CORP (RGEN) Institutional Ownership Changes & 13F Activity
REPLIGEN CORP (RGEN). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q4 2025). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Price T Rowe Associates Inc, Fmr Llc, United Capital Financial Advisors, Llc, Citadel Advisors Llc, and Rtw Investments, Lp.
| Institution | Type | Change in shares | Change Position % | Shares | Reported stock balance | Portfolio quarter | Filing date |
|---|---|---|---|---|---|---|---|
| Cornerstone Financial Management Llc | Buy | +10 | — | 10 | $1.64K | Q4 2025 | Aug 28, 2026 |
| Advisors Asset Management, Inc. | Sell | -8,610 | -100.0% | 0 | $0.00 | Q4 2025 | Aug 26, 2026 |
| Ensign Peak Advisors, Inc | Sell | -14,557 | -12.6% | 101,209 | $16.58M | Q4 2025 | Aug 18, 2026 |
| Algert Global Llc | Sell | -9,530 | -100.0% | 0 | $0.00 | Q4 2025 | Aug 11, 2026 |
| Strategic Wealth Partners, Ltd. | Buy | +142 | — | 142 | $23.27K | Q4 2025 | May 12, 2026 |
| 1015 Capital Partners, Llc | Buy | +29 | — | 29 | $4.75K | Q4 2025 | May 11, 2026 |
| Journey Retirement Planning & Investment Management Llc | Buy | +1,650 | — | 1,650 | $270.37K | Q4 2025 | Apr 29, 2026 |
| Hsbc Holdings Plc | Buy | +2,093 | — | 2,093 | $343.13K | Q4 2025 | Mar 06, 2026 |
| Bayban | Buy | +31 | — | 31 | $5.08K | Q4 2025 | Mar 05, 2026 |
| Midfirst Bank | Buy | +1,823 | — | 1,823 | $298.72K | Q4 2025 | Feb 25, 2026 |
| Bell Investment Advisors, Inc | Buy | +3 | — | 3 | $492.00 | Q4 2025 | Feb 24, 2026 |
| Corient Private Wealth Llc | Buy | +1,549 | — | 1,549 | $255.78K | Q4 2025 | Feb 19, 2026 |
| Compound Planning, Inc. | Buy | +1,243 | — | 1,243 | $203.68K | Q4 2025 | Feb 19, 2026 |
| Mcguire Capital Advisors Inc | Buy | +11 | — | 11 | $1.80K | Q4 2025 | Feb 19, 2026 |
| Raymond James Financial Inc | Buy | +168,874 | — | 168,874 | $27.88M | Q4 2025 | Feb 18, 2026 |
| State Of Tennessee, Department Of Treasury | Buy | +23,158 | — | 23,158 | $3.46M | Q4 2025 | Feb 18, 2026 |
| Kensington Investment Counsel, Llc | Buy | +5,241 | — | 5,241 | $858.79K | Q4 2025 | Feb 18, 2026 |
| Mercer Global Advisors Inc | Buy | +1,242 | — | 1,242 | $203.51K | Q4 2025 | Feb 18, 2026 |
| Price T Rowe Associates Inc | Buy | +4,599,061 | — | 4,599,061 | $753.60M | Q4 2025 | Feb 17, 2026 |
| Fmr Llc | Buy | +2,867,846 | — | 2,867,846 | $469.93M | Q4 2025 | Feb 17, 2026 |
| United Capital Financial Advisors, Llc | Buy | +2,770,862 | — | 2,770,862 | $454.03M | Q4 2025 | Feb 17, 2026 |
| Citadel Advisors Llc | Buy | +1,394,252 | — | 1,394,252 | $228.46M | Q4 2025 | Feb 17, 2026 |
| Rtw Investments, Lp | Buy | +1,064,000 | — | 1,064,000 | $174.35M | Q4 2025 | Feb 17, 2026 |
| Point72 Asset Management, L.P. | Buy | +1,006,310 | — | 1,006,310 | $164.89M | Q4 2025 | Feb 17, 2026 |
| Alliancebernstein L.P. | Buy | +994,869 | — | 994,869 | $163.02M | Q4 2025 | Feb 17, 2026 |
| Holocene Advisors, Lp | Buy | +961,040 | — | 961,040 | $157.48M | Q4 2025 | Feb 17, 2026 |
| Fred Alger Management, Llc | Buy | +911,527 | — | 911,527 | $149.36M | Q4 2025 | Feb 17, 2026 |
| Millennium Management Llc | Buy | +650,546 | — | 650,546 | $106.60M | Q4 2025 | Feb 17, 2026 |
| Bamco Inc | Buy | +544,779 | — | 544,779 | $89.27M | Q4 2025 | Feb 17, 2026 |
| Df Dent & Co Inc | Buy | +495,550 | — | 495,550 | $81.20M | Q4 2025 | Feb 17, 2026 |
Frequently asked questions about RGEN activity
Which institutional owners are buying RGEN?
Institutional owners buying RGEN include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.
What does "buy" mean in RGEN activity?
"Buy" means an investor increased their reported position in RGEN compared to the prior reporting period. This reflects growing exposure to REPLIGEN CORP (RGEN) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in RGEN increasing?
Institutional interest in RGEN can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.
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