AQR Capital Management
RGEN icon

AQR Capital Management’s Repligen RGEN Stock Holding History

AQR 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
2026
Q1 		$1.02M Buy
8,880
+232
+3% +$32.4K ﹤0.01% 2764
2025
Q4 		$1.42M Sell
8,648
-568
-6% -$89K ﹤0.01% 2351
2025
Q3 		$1.18M Buy
+9,216
New +$1.12M ﹤0.01% 2328
2025
Q2 		– Sell
-2,062
Closed -$262K – 3377
2025
Q1 		$262K Buy
+2,062
New +$317K ﹤0.01% 2747
2023
Q3 		– Sell
-10,161
Closed -$1.44M – 2369
2023
Q2 		$1.44M Buy
+10,161
New +$1.63M ﹤0.01% 1409
2022
Q1 		– Sell
-6,601
Closed -$1.75M – 2283
2021
Q4 		$1.75M Buy
6,601
+89
+1% +$24K ﹤0.01% 1254
2021
Q3 		$1.88M Sell
6,512
-4,441
-41% -$1.14M ﹤0.01% 1177
2021
Q2 		$2.19M Sell
10,953
-2,237
-17% -$434K ﹤0.01% 1172
2021
Q1 		$2.54M Sell
13,190
-1,202
-8% -$246K ﹤0.01% 1090
2020
Q4 		$2.72M Buy
14,392
+5,290
+58% +$962K ﹤0.01% 1013
2020
Q3 		$1.34M Sell
9,102
-64,802
-88% -$9.26M ﹤0.01% 1274
2020
Q2 		$9.04M Sell
73,904
-15,342
-17% -$1.8M 0.01% 654
2020
Q1 		$8.62M Sell
89,246
-21,438
-19% -$2.07M 0.01% 659
2019
Q4 		$10.2M Sell
110,684
-31,463
-22% -$2.64M 0.01% 745
2019
Q3 		$10.9M Buy
142,147
+7,599
+6% +$665K 0.01% 743
2019
Q2 		$11.6M Buy
134,548
+17,892
+15% +$1.22M 0.01% 736
2019
Q1 		$6.89M Buy
116,656
+17,836
+18% +$1.03M 0.01% 886
2018
Q4 		$5.21M Buy
98,820
+18,806
+24% +$1.1M 0.01% 933
2018
Q3 		$4.44M Sell
80,014
-6,023
-7% -$310K ﹤0.01% 1056
2018
Q2 		$4.05M Sell
86,037
-59,270
-41% -$2.44M ﹤0.01% 1122
2018
Q1 		$5.26M Sell
145,307
-44,500
-23% -$1.56M 0.01% 981
2017
Q4 		$6.89M Buy
189,807
+31,962
+20% +$1.16M 0.01% 910
2017
Q3 		$6.05M Buy
157,845
+84,457
+115% +$3.54M 0.01% 949
2017
Q2 		$3.04M Buy
73,388
+35,500
+94% +$1.35M ﹤0.01% 1222
2017
Q1 		$1.33M Sell
37,888
-8,424
-18% -$267K ﹤0.01% 1558
2016
Q4 		$1.43M Sell
46,312
-21,331
-32% -$660K ﹤0.01% 1570
2016
Q3 		$2.04M Buy
67,643
+13,382
+25% +$404K ﹤0.01% 1407
2016
Q2 		$1.49M Sell
54,261
-928
-2% -$23.7K ﹤0.01% 1447
2016
Q1 		$1.48M Buy
55,189
+34,692
+169% +$849K ﹤0.01% 1411
2015
Q4 		$580K Sell
20,497
-51,824
-72% -$1.49M ﹤0.01% 1812
2015
Q3 		$2.01M Sell
72,321
-23,590
-25% -$852K ﹤0.01% 1128
2015
Q2 		$3.96M Sell
95,911
-42,326
-31% -$1.55M 0.01% 916
2015
Q1 		$4.2M Sell
138,237
-63,505
-31% -$1.65M 0.01% 844
2014
Q4 		$4M Sell
201,742
-85,383
-30% -$1.91M 0.01% 996
2014
Q3 		$5.72M Sell
287,125
-90,200
-24% -$1.9M 0.02% 772
2014
Q2 		$8.6M Sell
377,325
-55,700
-13% -$992K 0.02% 689
2014
Q1 		$5.57M Buy
433,025
+125,800
+41% +$1.8M 0.02% 815
2013
Q4 		$4.19M Buy
307,225
+81,378
+36% +$972K 0.01% 953
2013
Q3 		$2.5M Buy
+225,847
New +$2.25M 0.01% 1146

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

AQR Capital Management's RGEN Position: Q1 2026 in Review

AQR Capital Management increased its Repligen (RGEN) stake by 2.7% in Q1 2026, buying an estimated $32.4K and bringing the position to 8,880 shares worth $1.02M. The position accounts for ﹤0.01% of the portfolio, ranked #2764.

AQR Capital Management first reported a position in RGEN in Q3 2013 and has held it in 39 quarters since. The position peaked at $11.6M in Q2 2019. 441 funds tracked by Wall St. Rank hold RGEN as of Q1 2026.

  • AQR Capital Management held 8,880 shares of Repligen worth $1.02M as of Q1 2026.
  • AQR Capital Management bought 232 Repligen shares in Q1 2026, an estimated $32.4K.
  • Repligen made up ﹤0.01% of AQR Capital Management's portfolio in Q1 2026, its #2764 holding.
  • AQR Capital Management first reported a position in Repligen in Q3 2013 and has held it in 39 quarters since.
  • AQR Capital Management's Repligen position peaked at $11.6M in Q2 2019.
  • 441 funds tracked by Wall St. Rank held Repligen as of Q1 2026.

Based on AQR Capital Management's 13F filing for Q1 2026, filed 15 May 2026.