Parnassus Investments
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Parnassus Investments’s Repligen RGEN Stock Holding History

Parnassus Investments’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
Q2 		– Sell
-254,621
Closed -$32.4M – 156
2025
Q1 		$32.4M Sell
254,621
-111,611
-30% -$17.2M 0.08% 103
2024
Q4 		$52.7M Sell
366,232
-15,239
-4% -$2.19M 0.12% 94
2024
Q3 		$56.8M Sell
381,471
-7,060
-2% -$1.01M 0.12% 92
2024
Q2 		$49M Buy
388,531
+108
+0% +$16.9K 0.11% 95
2024
Q1 		$71.4M Sell
388,423
-161,701
-29% -$30.8M 0.15% 91
2023
Q4 		$98.9M Hold
550,124
– – 0.22% 80
2023
Q3 		$87.5M Buy
+550,124
New +$89.9M 0.21% 84

Other funds holding RGEN

T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
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
Point72 Asset Management
Point72 Asset Management Stamford, Connecticut $90.7B AUM 77.13% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
CIP
Champlain Investment Partners Burlington, Vermont $3.89B AUM 16.15% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $609B AUM 40.19% 1-Year Est. Return
Sands Capital Management
Sands Capital Management Arlington, Virginia $26.9B AUM 34.44% 1-Year Est. Return

Parnassus Investments's RGEN Position: Q2 2025 in Review

Parnassus Investments sold out of Repligen (RGEN) in Q2 2025, closing a stake of 254,621 shares — an estimated $32.4M sold.

Parnassus Investments first reported a position in RGEN in Q3 2023 and held it in 7 quarters. The position peaked at $98.9M in Q4 2023. 444 funds tracked by Wall St. Rank hold RGEN as of Q2 2025.

  • Parnassus Investments reported no remaining Repligen position as of Q2 2025 after selling out during the quarter.
  • Parnassus Investments sold 254,621 Repligen shares in Q2 2025, an estimated $32.4M.
  • Parnassus Investments first reported a position in Repligen in Q3 2023 and held it in 7 quarters.
  • Parnassus Investments's Repligen position peaked at $98.9M in Q4 2023.
  • 444 funds tracked by Wall St. Rank held Repligen as of Q2 2025.

Based on Parnassus Investments's 13F filing for Q2 2025, filed 6 Aug 2025.