QIM
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Quantitative Investment Management’s Repligen RGEN Stock Holding History

Quantitative 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
Q1 		$531K Buy
+4,508
New +$630K 0.06% 282
2025
Q4 		– Sell
-2,010
Closed -$268K – 515
2025
Q3 		$268K Buy
+2,010
New +$244K 0.04% 291
2025
Q1 		– Sell
-2,320
Closed -$333K – 458
2024
Q4 		$333K Buy
+2,320
New +$333K 0.03% 284
2022
Q4 		– Sell
-3,775
Closed -$706K – 318
2022
Q3 		$706K Buy
+3,775
New +$796K 0.12% 168
2021
Q2 		– Sell
-1,230
Closed -$239K – 559
2021
Q1 		$239K Buy
+1,230
New +$252K 0.02% 436
2020
Q3 		– Sell
-12,673
Closed -$1.57M – 565
2020
Q2 		$1.57M Buy
+12,673
New +$1.49M 0.16% 143
2019
Q4 		– Sell
-9,542
Closed -$731K – 752
2019
Q3 		$731K Buy
+9,542
New +$835K 0.04% 413
2019
Q2 		– Sell
-5,700
Closed -$336K – 795
2019
Q1 		$336K Buy
+5,700
New +$328K 0.02% 543
2018
Q4 		– Sell
-5,000
Closed -$277K – 777
2018
Q3 		$277K Buy
+5,000
New +$258K 0.01% 526
2017
Q4 		– Sell
-46,500
Closed -$1.78M – 864
2017
Q3 		$1.78M Sell
46,500
-39,300
-46% -$1.65M 0.02% 507
2017
Q2 		$3.56M Buy
85,800
+77,800
+973% +$2.96M 0.05% 401
2017
Q1 		$281K Buy
+8,000
New +$253K ﹤0.01% 642
2016
Q2 		– Sell
-8,600
Closed -$230K – 893
2016
Q1 		$230K Buy
+8,600
New +$210K 0.01% 674

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

Quantitative Investment Management's RGEN Position: Q1 2026 in Review

Quantitative Investment Management opened a new position in Repligen (RGEN) in Q1 2026: 4,508 shares worth $531K. The stake represents 0.06% of the portfolio and ranks #282 among its holdings. This is a return to the name: Quantitative Investment Management previously reported a position in RGEN as recently as Q3 2025.

Quantitative Investment Management first reported a position in RGEN in Q1 2016 and has held it in 13 quarters since. The position peaked at $3.56M in Q2 2017. 441 funds tracked by Wall St. Rank hold RGEN as of Q1 2026.

  • Quantitative Investment Management held 4,508 shares of Repligen worth $531K as of Q1 2026.
  • Repligen was a new Quantitative Investment Management position in Q1 2026.
  • Repligen made up 0.06% of Quantitative Investment Management's portfolio in Q1 2026, its #282 holding.
  • Quantitative Investment Management first reported a position in Repligen in Q1 2016 and has held it in 13 quarters since.
  • Quantitative Investment Management's Repligen position peaked at $3.56M in Q2 2017.
  • 441 funds tracked by Wall St. Rank held Repligen as of Q1 2026.

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