BCM
RGEN icon

Bayesian Capital Management’s Repligen RGEN Stock Holding History

Bayesian Capital Management’s Portfolio RGEN Stock Details RGEN Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q4 		– Sell
-2,948
Closed -$394K – 451
2025
Q3 		$394K Buy
+2,948
New +$358K 0.08% 332
2025
Q2 		– Sell
-2,066
Closed -$263K – 819
2025
Q1 		$263K Sell
2,066
-4,512
-69% -$695K 0.04% 424
2024
Q4 		$947K Buy
+6,578
New +$943K 0.12% 237
2024
Q2 		– Sell
-2,800
Closed -$515K – 1036
2024
Q1 		$515K Buy
2,800
+1,638
+141% +$312K 0.05% 427
2023
Q4 		$209K Buy
+1,162
New +$181K 0.02% 589
2023
Q2 		– Sell
-5,542
Closed -$933K – 1019
2023
Q1 		$933K Buy
5,542
+567
+11% +$101K 0.12% 245
2022
Q4 		$842K Buy
+4,975
New +$902K 0.12% 223
2022
Q1 		– Sell
-886
Closed -$235K – 899
2021
Q4 		$235K Buy
+886
New +$239K 0.07% 293
2021
Q2 		– Sell
-3,000
Closed -$583K – 611
2021
Q1 		$583K Sell
3,000
-2,100
-41% -$431K 0.13% 200
2020
Q4 		$977K Buy
+5,100
New +$928K 0.26% 107
2018
Q2 		– Sell
-6,313
Closed -$228K – 703
2018
Q1 		$228K Buy
+6,313
New +$222K 0.06% 466

Other funds holding RGEN

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
UCFA
United Capital Financial Advisors Irving, Texas $18.2B AUM 22.02% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $875B AUM 40.91% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $609B AUM 40.19% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Massachusetts Financial Services
Massachusetts Financial Services Boston, Massachusetts $315B AUM 27.84% 1-Year Est. Return

Bayesian Capital Management's RGEN Position: Q4 2025 in Review

Bayesian Capital Management sold out of Repligen (RGEN) in Q4 2025, closing a stake of 2,948 shares — an estimated $394K sold.

Bayesian Capital Management first reported a position in RGEN in Q1 2018 and held it in 11 quarters. The position peaked at $977K in Q4 2020. 474 funds tracked by Wall St. Rank hold RGEN as of Q4 2025.

  • Bayesian Capital Management reported no remaining Repligen position as of Q4 2025 after selling out during the quarter.
  • Bayesian Capital Management sold 2,948 Repligen shares in Q4 2025, an estimated $394K.
  • Bayesian Capital Management first reported a position in Repligen in Q1 2018 and held it in 11 quarters.
  • Bayesian Capital Management's Repligen position peaked at $977K in Q4 2020.
  • 474 funds tracked by Wall St. Rank held Repligen as of Q4 2025.

Based on Bayesian Capital Management's 13F filing for Q4 2025, filed 17 Feb 2026.