Repligen Corp. (rgen 1 12/15/28)

13F holders, Q1 2026 (March 31)
8holders −2
1new positions
2sold out
$0.97avg. 13F price*

At the end of Q1 2026, 8 institutions reported holding Repligen Corp. (rgen 1 12/15/28) in their 13F filings, down 2 from Q4 2025. 1 opened new positions and 2 sold out. The largest holders were Ssi Investment Management LLC ($6.3M), Absolute Investment Advisers, LLC ($5.8M) and State of Wisconsin Investment Board ($2.9M).

Company
Repligen Corp. (rgen 1 12/15/28)
CUSIP
759916AD1
Latest filing quarter
Q2 2026

History

Number of 13F holders

0246810 Q4 2024: 4Q4 2024Q1 2025: 3Q1 2025Q2 2025: 5Q2 2025Q3 2025: 8Q3 2025Q4 2025: 10Q4 2025Q1 2026: 8Q1 2026Q2 2026: 8Q2 2026

Total Exit/New Position Q4 2025 → Q1 2026

InstitutionsTotal Value
New Positions1$6.3M
Exits2$1.9M

All 13F filers, Q4 2025 → Q1 2026: 6,437,000 shares bought and 2,563,000 shares sold, net +3,874,000 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 8 holders

Ssi Investment Management LLC 0.52% New 6,437,000 $6.3M
Absolute Investment Advisers, LLC 0.69% No change 6,000,000 $5.8M
State of Wisconsin Investment Board 0.01% No change 3,000,000 $2.9M
BNP PARIBAS ASSET MANAGEMENT Holding S.A. 0.00% Reduce -24.2% 2,500,000 $2.4M
Bank of New York Mellon Corp 0.00% No change 250,000 $243K
Choreo, LLC 0.00% No change 18,000 $18K
Cetera Investment Advisers 0.00% No change 17,000 $17K
Oddo BHF Asset Management Sas 0.00% No change 290 $283

"% of holder's portfolio" is REPLIGEN CORP (RGEN 1 12/15/28)'s weight in each manager's 13F, not the share of Repligen Corp. (rgen 1 12/15/28) the manager owns.