Repligen Corp. – Investors and Politicians Who Own It
RGEN, 3 share classes and securities
Investors who own it
5 tracked investors, $490M in shares, each from their latest 13F.
| Investor | Value | Share of portfolio |
|---|---|---|
Lee AinslieMaverick Capital, Q2 2026 | $270.8M | 2.39% |
Rod WongRTW Investments, Q2 2026 | $169.3M | 1.45% |
Joseph EdelmanPerceptive Advisors, Q2 2026 | $33.9M | 0.51% |
Stanley DruckenmillerDuquesne Family Office, Q2 2026 | $10.6M | 0.20% |
Wally WeitzWeitz Investment Management, Q2 2026 | $5.6M | 0.39% |
Politicians who own it
Estimated from annual disclosures and trades; values are rough estimates.
No member of Congress is estimated to hold this stock.
Investors buying and selling
| Investor | Action | Shares now |
|---|---|---|
| Lee Ainslie | Added +31% | 1,984,554 |
| Rod Wong | Added +2.9% | 1,240,637 |
| Stanley Druckenmiller | New | 77,400 |
| Howard MarksBond | Sold out | 0 |
| Wally Weitz | Added +60% | 40,800 |
| Joseph Edelman | Reduced −12% | 248,212 |
Politicians trading it
Latest Congress trades disclosed under the STOCK Act; amounts are ranges.
| Politician | Action | Traded |
|---|---|---|
Lisa C. McClainSpouseR-MI · House | Sold$1K–$15K | Oct 31, 2025disclosed Nov 21, 2025 |
Lisa C. McClainSpouseR-MI · House | Sold$1K–$15K | Oct 30, 2025disclosed Nov 21, 2025 |
Lisa C. McClainSpouseR-MI · House | Bought$1K–$15K | Oct 30, 2025disclosed Nov 21, 2025 |
Lisa C. McClainSpouseR-MI · House | Bought$1K–$15K | Jul 22, 2025disclosed Aug 13, 2025 |
Lisa C. McClainSpouseR-MI · House | Sold part$1K–$15K | Jun 17, 2025disclosed Aug 13, 2025 |
Lisa C. McClainSpouseR-MI · House | Bought$1K–$15K | Jun 11, 2025disclosed Aug 13, 2025 |
Jefferson ShreveR-IN · House | Sold$15K–$50K | Apr 7, 2025disclosed May 8, 2025 |