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Rossby Financial’s Repligen RGEN Stock Holding History

Rossby Financial’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 		$14.1K Buy
103
+34
+49% +$4.18K ﹤0.01% 1074
2026
Q1 		$8.16K Buy
69
+59
+590% +$8.24K ﹤0.01% 1334
2025
Q4 		$1.64K Buy
10
+2
+25% +$313 ﹤0.01% 1421
2025
Q3 		$1.17K Buy
+8
New +$972 ﹤0.01% 1255

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

Rossby Financial's RGEN Position: Q2 2026 in Review

Rossby Financial increased its Repligen (RGEN) stake by 49% in Q2 2026, buying an estimated $4.18K and bringing the position to 103 shares worth $14.1K. The position accounts for ﹤0.01% of the portfolio, ranked #1074.

Rossby Financial first reported a position in RGEN in Q3 2025 and has held it in 4 quarters since. 482 funds tracked by Wall St. Rank hold RGEN as of Q2 2026.

  • Rossby Financial held 103 shares of Repligen worth $14.1K as of Q2 2026.
  • Rossby Financial bought 34 Repligen shares in Q2 2026, an estimated $4.18K.
  • Repligen made up ﹤0.01% of Rossby Financial's portfolio in Q2 2026, its #1074 holding.
  • Rossby Financial first reported a position in Repligen in Q3 2025 and has held it in 4 quarters since.
  • 482 funds tracked by Wall St. Rank held Repligen as of Q2 2026.

Based on Rossby Financial's 13F filing for Q2 2026, filed 4 Aug 2026.