Optiver Holding’s Repligen RGEN Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q2
$567K Buy
+4,154
New +$510K ﹤0.01% 735
2025
Q3
Sell
-2,997
Closed -$373K 2849
2025
Q2
$373K Buy
+2,997
New +$381K ﹤0.01% 405
2024
Q3
Sell
-109
Closed -$13.7K 1071
2024
Q2
$13.7K Buy
+109
New +$17.1K ﹤0.01% 677
2023
Q1
Sell
-9
Closed -$2K 563
2022
Q4
$2K Buy
+9
New +$1.63K ﹤0.01% 427

Other funds holding RGEN

Optiver Holding's RGEN Position: Q2 2026 in Review

Optiver Holding opened a new position in Repligen (RGEN) in Q2 2026: 4,154 shares worth $567K. The stake represents ﹤0.01% of the portfolio and ranks #735 among its holdings. This is a return to the name: Optiver Holding previously reported a position in RGEN as recently as Q2 2025.

Optiver Holding first reported a position in RGEN in Q4 2022 and has held it in 4 quarters since. 481 funds tracked by Wall St. Rank hold RGEN as of Q2 2026.

  • Optiver Holding held 4,154 shares of Repligen worth $567K as of Q2 2026.
  • Repligen was a new Optiver Holding position in Q2 2026.
  • Repligen made up ﹤0.01% of Optiver Holding's portfolio in Q2 2026, its #735 holding.
  • Optiver Holding first reported a position in Repligen in Q4 2022 and has held it in 4 quarters since.
  • 481 funds tracked by Wall St. Rank held Repligen as of Q2 2026.

Based on Optiver Holding's 13F filing for Q2 2026, filed 12 Aug 2026.