XT
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XTX Topco’s Repligen RGEN Stock Holding History

XTX Topco’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 		$4.05M Buy
29,711
+3,184
+12% +$391K 0.05% 510
2026
Q1 		$3.13M Buy
26,527
+21,379
+415% +$2.99M 0.05% 536
2025
Q4 		$844K Buy
+5,148
New +$806K 0.02% 1152
2025
Q3 		– Sell
-17,352
Closed -$2.16M – 3152
2025
Q2 		$2.16M Buy
17,352
+4,417
+34% +$562K 0.09% 299
2025
Q1 		$1.65M Buy
12,935
+3,295
+34% +$507K 0.08% 324
2024
Q4 		$1.39M Buy
+9,640
New +$1.38M 0.11% 164
2023
Q4 		– Sell
-5,515
Closed -$877K – 2039
2023
Q3 		$877K Buy
5,515
+1,139
+26% +$186K 0.15% 138
2023
Q2 		$619K Sell
4,376
-289
-6% -$46.3K 0.11% 252
2023
Q1 		$785K Buy
+4,665
New +$832K 0.16% 101
2022
Q4 		– Sell
-2,859
Closed -$535K – 1449
2022
Q3 		$535K Buy
+2,859
New +$603K 0.13% 215

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

XTX Topco's RGEN Position: Q2 2026 in Review

XTX Topco increased its Repligen (RGEN) stake by 12% in Q2 2026, buying an estimated $391K and bringing the position to 29,711 shares worth $4.05M. The position accounts for 0.05% of the portfolio, ranked #510.

XTX Topco first reported a position in RGEN in Q3 2022 and has held it in 10 quarters since. 482 funds tracked by Wall St. Rank hold RGEN as of Q2 2026.

  • XTX Topco held 29,711 shares of Repligen worth $4.05M as of Q2 2026.
  • XTX Topco bought 3,184 Repligen shares in Q2 2026, an estimated $391K.
  • Repligen made up 0.05% of XTX Topco's portfolio in Q2 2026, its #510 holding.
  • XTX Topco first reported a position in Repligen in Q3 2022 and has held it in 10 quarters since.
  • 482 funds tracked by Wall St. Rank held Repligen as of Q2 2026.

Based on XTX Topco's 13F filing for Q2 2026, filed 14 Aug 2026.