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Champlain Investment Partners’s Repligen RGEN Stock Holding History

Champlain Investment Partners’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
2026
Q1 		$81.7M Sell
693,855
-310,096
-31% -$43.3M 1.04% 42
2025
Q4 		$165M Sell
1,003,951
-335,295
-25% -$52.5M 1.67% 6
2025
Q3 		$179M Sell
1,339,246
-61,842
-4% -$7.51M 1.35% 15
2025
Q2 		$174M Sell
1,401,088
-62,907
-4% -$8.01M 1.22% 18
2025
Q1 		$186M Sell
1,463,995
-79,535
-5% -$12.2M 1.35% 16
2024
Q4 		$222M Buy
1,543,530
+122,595
+9% +$17.6M 1.41% 18
2024
Q3 		$211M Buy
1,420,935
+850,345
+149% +$122M 1.28% 27
2024
Q2 		$71.9M Sell
570,590
-4,405
-0.8% -$690K 0.44% 90
2024
Q1 		$106M Sell
574,995
-351,445
-38% -$66.9M 0.61% 68
2023
Q4 		$167M Buy
926,440
+71,250
+8% +$11.1M 0.99% 36
2023
Q3 		$136M Buy
855,190
+244,445
+40% +$40M 0.88% 47
2023
Q2 		$86.4M Buy
610,745
+54,715
+10% +$8.77M 0.53% 81
2023
Q1 		$93.6M Buy
556,030
+208,630
+60% +$37.2M 0.59% 75
2022
Q4 		$58.8M Buy
347,400
+128,665
+59% +$23.3M 0.38% 99
2022
Q3 		$40.9M Buy
+218,735
New +$46.1M 0.28% 112

Other funds holding RGEN

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
UCFA
United Capital Financial Advisors Irving, Texas $16.3B AUM 16.34% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $544B AUM 28.31% 1-Year Est. Return
MC
Maverick Capital Dallas, Texas $8.67B AUM 48.76% 1-Year Est. Return
Massachusetts Financial Services
Massachusetts Financial Services Boston, Massachusetts $298B AUM 21.96% 1-Year Est. Return

Champlain Investment Partners's RGEN Position: Q1 2026 in Review

Champlain Investment Partners reduced its Repligen (RGEN) stake by 31% in Q1 2026, selling an estimated $43.3M and leaving 693,855 shares worth $81.7M. The position accounts for 1.04% of the portfolio, ranked #42.

Champlain Investment Partners first reported a position in RGEN in Q3 2022 and has held it in 15 quarters since. The position peaked at $222M in Q4 2024. 441 funds tracked by Wall St. Rank hold RGEN as of Q1 2026.

  • Champlain Investment Partners held 693,855 shares of Repligen worth $81.7M as of Q1 2026.
  • Champlain Investment Partners sold 310,096 Repligen shares in Q1 2026, an estimated $43.3M.
  • Repligen made up 1.04% of Champlain Investment Partners's portfolio in Q1 2026, its #42 holding.
  • Champlain Investment Partners first reported a position in Repligen in Q3 2022 and has held it in 15 quarters since.
  • Champlain Investment Partners's Repligen position peaked at $222M in Q4 2024.
  • 441 funds tracked by Wall St. Rank held Repligen as of Q1 2026.

Based on Champlain Investment Partners's 13F filing for Q1 2026, filed 13 May 2026.