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Artemis Investment Management’s Repligen RGEN Stock Holding History

Artemis Investment 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
2026
Q2 		$16.6M Sell
121,727
-300,061
-71% -$36.9M 0.15% 138
2026
Q1 		$49.7M Buy
421,788
+11,419
+3% +$1.6M 0.53% 74
2025
Q4 		$67.2M Buy
410,369
+63,583
+18% +$9.96M 0.81% 42
2025
Q3 		$46.4M Buy
346,786
+91,915
+36% +$11.2M 0.58% 65
2025
Q2 		$31.7M Sell
254,871
-68,358
-21% -$8.7M 0.41% 85
2025
Q1 		$41.1M Buy
323,229
+169,397
+110% +$26.1M 0.63% 59
2024
Q4 		$22.1M Buy
153,832
+23,905
+18% +$3.43M 0.32% 95
2024
Q3 		$19.3M Buy
129,927
+42,118
+48% +$6.04M 0.29% 102
2024
Q2 		$11.1M Sell
87,809
-80,004
-48% -$12.5M 0.15% 132
2024
Q1 		$30.9M Buy
167,813
+42,380
+34% +$8.07M 0.39% 80
2023
Q4 		$22.6M Buy
+125,433
New +$19.5M 0.33% 89

Other funds holding RGEN

BlackRock
BlackRock New York $6.73T AUM 46.02% 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
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
MC
Maverick Capital Dallas, Texas $11.3B AUM 76.6% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
Massachusetts Financial Services
Massachusetts Financial Services Boston, Massachusetts $315B AUM 27.84% 1-Year Est. Return
WA
Wasatch Advisors Salt Lake City, Utah $15.3B AUM 25.06% 1-Year Est. Return

Artemis Investment Management's RGEN Position: Q2 2026 in Review

Artemis Investment Management reduced its Repligen (RGEN) stake by 71% in Q2 2026, selling an estimated $36.9M and leaving 121,727 shares worth $16.6M. The position accounts for 0.15% of the portfolio, ranked #138.

Artemis Investment Management first reported a position in RGEN in Q4 2023 and has held it in 11 quarters since. The position peaked at $67.2M in Q4 2025. 482 funds tracked by Wall St. Rank hold RGEN as of Q2 2026.

  • Artemis Investment Management held 121,727 shares of Repligen worth $16.6M as of Q2 2026.
  • Artemis Investment Management sold 300,061 Repligen shares in Q2 2026, an estimated $36.9M.
  • Repligen made up 0.15% of Artemis Investment Management's portfolio in Q2 2026, its #138 holding.
  • Artemis Investment Management first reported a position in Repligen in Q4 2023 and has held it in 11 quarters since.
  • Artemis Investment Management's Repligen position peaked at $67.2M in Q4 2025.
  • 482 funds tracked by Wall St. Rank held Repligen as of Q2 2026.

Based on Artemis Investment Management's 13F filing for Q2 2026, filed 23 Jul 2026.