Primecap Management
RGEN icon

Primecap Management’s Repligen RGEN Stock Holding History

Primecap 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 		$44.1M Buy
323,268
+88,200
+38% +$10.8M 0.03% 207
2026
Q1 		$27.7M Buy
235,068
+48,400
+26% +$6.76M 0.02% 223
2025
Q4 		$30.6M Sell
186,668
-200
-0.1% -$31.3K 0.02% 216
2025
Q3 		$25M Buy
186,868
+48,590
+35% +$5.9M 0.02% 234
2025
Q2 		$17.2M Buy
138,278
+107,420
+348% +$13.7M 0.01% 246
2025
Q1 		$3.93M Hold
30,858
– – ﹤0.01% 286
2024
Q4 		$4.44M Sell
30,858
-23,871
-44% -$3.42M ﹤0.01% 280
2024
Q3 		$8.14M Hold
54,729
– – 0.01% 269
2024
Q2 		$6.9M Sell
54,729
-3,400
-6% -$533K 0.01% 271
2024
Q1 		$10.7M Buy
58,129
+5,500
+10% +$1.05M 0.01% 258
2023
Q4 		$9.46M Buy
52,629
+2,000
+4% +$311K 0.01% 264
2023
Q3 		$8.05M Buy
50,629
+3,250
+7% +$531K 0.01% 268
2023
Q2 		$6.7M Hold
47,379
– – 0.01% 273
2023
Q1 		$7.98M Hold
47,379
– – 0.01% 263
2022
Q4 		$8.02M Hold
47,379
– – 0.01% 255
2022
Q3 		$8.87M Hold
47,379
– – 0.01% 253
2022
Q2 		$7.69M Buy
47,379
+18,006
+61% +$2.85M 0.01% 265
2022
Q1 		$5.53M Buy
29,373
+1,583
+6% +$301K ﹤0.01% 286
2021
Q4 		$7.36M Buy
27,790
+3,000
+12% +$808K 0.01% 281
2021
Q3 		$7.16M Buy
24,790
+1,403
+6% +$360K 0.01% 277
2021
Q2 		$4.67M Buy
+23,387
New +$4.54M ﹤0.01% 286

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

Primecap Management's RGEN Position: Q2 2026 in Review

Primecap Management increased its Repligen (RGEN) stake by 38% in Q2 2026, buying an estimated $10.8M and bringing the position to 323,268 shares worth $44.1M. The position accounts for 0.03% of the portfolio, ranked #207.

Primecap Management first reported a position in RGEN in Q2 2021 and has held it in 21 quarters since. 477 funds tracked by Wall St. Rank hold RGEN as of Q2 2026.

  • Primecap Management held 323,268 shares of Repligen worth $44.1M as of Q2 2026.
  • Primecap Management bought 88,200 Repligen shares in Q2 2026, an estimated $10.8M.
  • Repligen made up 0.03% of Primecap Management's portfolio in Q2 2026, its #207 holding.
  • Primecap Management first reported a position in Repligen in Q2 2021 and has held it in 21 quarters since.
  • 477 funds tracked by Wall St. Rank held Repligen as of Q2 2026.

Based on Primecap Management's 13F filing for Q2 2026, filed 14 Aug 2026.