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Deerfield Management’s Repligen RGEN Stock Holding History

Deerfield 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 		– Sell
-2,199
Closed -$360K – 138
2025
Q4 		$360K Sell
2,199
-10,710
-83% -$1.68M ﹤0.01% 136
2025
Q3 		$1.73M Buy
12,909
+11,281
+693% +$1.37M 0.03% 105
2025
Q2 		$202K Buy
+1,628
New +$207K ﹤0.01% 108
2024
Q4 		– Sell
-1,418
Closed -$211K – 361
2024
Q3 		$211K Sell
1,418
-1,944
-58% -$279K ﹤0.01% 420
2024
Q2 		$424K Buy
+3,362
New +$527K 0.01% 292

Other funds holding RGEN

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 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
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $609B AUM 40.19% 1-Year Est. Return
MC
Maverick Capital Dallas, Texas $11.3B AUM 76.6% 1-Year Est. Return
Massachusetts Financial Services
Massachusetts Financial Services Boston, Massachusetts $315B AUM 27.84% 1-Year Est. Return

Deerfield Management's RGEN Position: Q1 2026 in Review

Deerfield Management sold out of Repligen (RGEN) in Q1 2026, closing a stake of 2,199 shares — an estimated $360K sold.

Deerfield Management first reported a position in RGEN in Q2 2024 and held it in 5 quarters. The position peaked at $1.73M in Q3 2025. 444 funds tracked by Wall St. Rank hold RGEN as of Q1 2026.

  • Deerfield Management reported no remaining Repligen position as of Q1 2026 after selling out during the quarter.
  • Deerfield Management sold 2,199 Repligen shares in Q1 2026, an estimated $360K.
  • Deerfield Management first reported a position in Repligen in Q2 2024 and held it in 5 quarters.
  • Deerfield Management's Repligen position peaked at $1.73M in Q3 2025.
  • 444 funds tracked by Wall St. Rank held Repligen as of Q1 2026.

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