RhumbLine Advisers
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RhumbLine Advisers’s Repligen RGEN Stock Holding History

RhumbLine Advisers’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 		$16.1M Buy
136,329
+2,219
+2% +$310K 0.01% 822
2025
Q4 		$22M Sell
134,110
-5,492
-4% -$860K 0.02% 674
2025
Q3 		$18.7M Sell
139,602
-2,511
-2% -$305K 0.02% 762
2025
Q2 		$17.7M Sell
142,113
-4,018
-3% -$511K 0.02% 772
2025
Q1 		$18.6M Sell
146,131
-18
-0% -$2.77K 0.02% 721
2024
Q4 		$21M Buy
146,149
+2,739
+2% +$393K 0.02% 675
2024
Q3 		$21.3M Sell
143,410
-8,339
-5% -$1.2M 0.02% 669
2024
Q2 		$19.1M Sell
151,749
-6,175
-4% -$968K 0.02% 693
2024
Q1 		$29M Buy
157,924
+837
+0.5% +$159K 0.03% 528
2023
Q4 		$28.2M Sell
157,087
-3,051
-2% -$475K 0.03% 505
2023
Q3 		$25.5M Sell
160,138
-2,032
-1% -$332K 0.03% 507
2023
Q2 		$22.9M Buy
162,170
+3,660
+2% +$587K 0.03% 582
2023
Q1 		$26.7M Buy
158,510
+3,593
+2% +$641K 0.03% 477
2022
Q4 		$26.2M Buy
154,917
+3,380
+2% +$613K 0.04% 460
2022
Q3 		$28.4M Buy
151,537
+3,045
+2% +$642K 0.04% 400
2022
Q2 		$24.1M Buy
148,492
+9,662
+7% +$1.53M 0.04% 459
2022
Q1 		$26.1M Sell
138,830
-332
-0.2% -$63.1K 0.03% 456
2021
Q4 		$36.9M Buy
139,162
+3,792
+3% +$1.02M 0.05% 356
2021
Q3 		$39.1M Sell
135,370
-784
-0.6% -$201K 0.05% 318
2021
Q2 		$27.2M Sell
136,154
-2,221
-2% -$431K 0.04% 457
2021
Q1 		$26.9M Sell
138,375
-195
-0.1% -$40K 0.04% 460
2020
Q4 		$26.6M Sell
138,570
-869
-0.6% -$158K 0.04% 442
2020
Q3 		$20.6M Sell
139,439
-1,432
-1% -$205K 0.03% 463
2020
Q2 		$17.4M Sell
140,871
-14,164
-9% -$1.67M 0.03% 512
2020
Q1 		$15M Sell
155,035
-2,613
-2% -$252K 0.03% 491
2019
Q4 		$14.6M Buy
157,648
+4,446
+3% +$374K 0.02% 628
2019
Q3 		$11.7M Buy
153,202
+16,531
+12% +$1.45M 0.02% 700
2019
Q2 		$11.7M Buy
136,671
+7,194
+6% +$490K 0.02% 692
2019
Q1 		$7.65M Buy
129,477
+1,169
+0.9% +$67.2K 0.01% 919
2018
Q4 		$6.77M Buy
128,308
+18,132
+16% +$1.06M 0.01% 920
2018
Q3 		$6.11M Sell
110,176
-74
-0.1% -$3.81K 0.01% 979
2018
Q2 		$5.19M Buy
110,250
+4,656
+4% +$192K 0.01% 1068
2018
Q1 		$3.82M Buy
105,594
+2,860
+3% +$101K 0.01% 1230
2017
Q4 		$3.73M Buy
102,734
+13,614
+15% +$493K 0.01% 1249
2017
Q3 		$3.42M Buy
89,120
+5,337
+6% +$224K 0.01% 1269
2017
Q2 		$3.47M Sell
83,783
-204
-0.2% -$7.75K 0.01% 1222
2017
Q1 		$2.96M Buy
83,987
+19,046
+29% +$603K 0.01% 1328
2016
Q4 		$2M Buy
64,941
+2,140
+3% +$66.2K 0.01% 1453
2016
Q3 		$1.9M Buy
62,801
+2,530
+4% +$76.3K 0.01% 1436
2016
Q2 		$1.65M Buy
60,271
+1,932
+3% +$49.4K ﹤0.01% 1475
2016
Q1 		$1.56M Buy
58,339
+720
+1% +$17.6K ﹤0.01% 1530
2015
Q4 		$1.63M Buy
57,619
+4,970
+9% +$143K 0.01% 1493
2015
Q3 		$1.47M Buy
52,649
+1,503
+3% +$54.3K 0.01% 1535
2015
Q2 		$2.11M Sell
51,146
-1,375
-3% -$50.4K 0.01% 1368
2015
Q1 		$1.59M Buy
52,521
+4,975
+10% +$129K ﹤0.01% 1543
2014
Q4 		$941K Sell
47,546
-650
-1% -$14.5K ﹤0.01% 1857
2014
Q3 		$960K Sell
48,196
-75
-0.2% -$1.58K ﹤0.01% 1784
2014
Q2 		$1.1M Buy
48,271
+3,918
+9% +$69.7K ﹤0.01% 1756
2014
Q1 		$570K Sell
44,353
-1,530
-3% -$21.9K ﹤0.01% 2139
2013
Q4 		$626K Buy
45,883
+1,200
+3% +$14.3K ﹤0.01% 2117
2013
Q3 		$496K Buy
44,683
+16,395
+58% +$163K ﹤0.01% 2213
2013
Q2 		$233K Buy
+28,288
New +$238K ﹤0.01% 2869

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

RhumbLine Advisers's RGEN Position: Q1 2026 in Review

RhumbLine Advisers increased its Repligen (RGEN) stake by 1.7% in Q1 2026, buying an estimated $310K and bringing the position to 136,329 shares worth $16.1M. The position accounts for 0.01% of the portfolio, ranked #822.

RhumbLine Advisers first reported a position in RGEN in Q2 2013 and has held it in 52 quarters since. The position peaked at $39.1M in Q3 2021. 441 funds tracked by Wall St. Rank hold RGEN as of Q1 2026.

  • RhumbLine Advisers held 136,329 shares of Repligen worth $16.1M as of Q1 2026.
  • RhumbLine Advisers bought 2,219 Repligen shares in Q1 2026, an estimated $310K.
  • Repligen made up 0.01% of RhumbLine Advisers's portfolio in Q1 2026, its #822 holding.
  • RhumbLine Advisers first reported a position in Repligen in Q2 2013 and has held it in 52 quarters since.
  • RhumbLine Advisers's Repligen position peaked at $39.1M in Q3 2021.
  • 441 funds tracked by Wall St. Rank held Repligen as of Q1 2026.

Based on RhumbLine Advisers's 13F filing for Q1 2026, filed 12 May 2026.