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Knollwood Investment Advisory’s Repligen RGEN Stock Holding History

Knollwood Investment Advisory’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 		$295K Hold
2,500
– – 0.03% 269
2025
Q4 		$410K Hold
2,500
– – 0.04% 243
2025
Q3 		$334K Hold
2,500
– – 0.03% 301
2025
Q2 		$311K Hold
2,500
– – 0.03% 306
2025
Q1 		$318K Hold
2,500
– – 0.04% 300
2024
Q4 		$360K Hold
2,500
– – 0.04% 287
2024
Q3 		$372K Hold
2,500
– – 0.04% 298
2024
Q2 		$315K Buy
+2,500
New +$392K 0.04% 306

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 $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 $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 $8.67B AUM 48.76% 1-Year Est. Return
Massachusetts Financial Services
Massachusetts Financial Services Boston, Massachusetts $315B AUM 27.84% 1-Year Est. Return

Knollwood Investment Advisory's RGEN Position: Q1 2026 in Review

Knollwood Investment Advisory held its Repligen (RGEN) position steady in Q1 2026 at 2,500 shares worth $295K. The position accounts for 0.03% of the portfolio, ranked #269.

Knollwood Investment Advisory first reported a position in RGEN in Q2 2024 and has held it in 8 quarters since. The position peaked at $410K in Q4 2025. 443 funds tracked by Wall St. Rank hold RGEN as of Q1 2026.

  • Knollwood Investment Advisory held 2,500 shares of Repligen worth $295K as of Q1 2026.
  • Knollwood Investment Advisory left its Repligen share count unchanged in Q1 2026.
  • Repligen made up 0.03% of Knollwood Investment Advisory's portfolio in Q1 2026, its #269 holding.
  • Knollwood Investment Advisory first reported a position in Repligen in Q2 2024 and has held it in 8 quarters since.
  • Knollwood Investment Advisory's Repligen position peaked at $410K in Q4 2025.
  • 443 funds tracked by Wall St. Rank held Repligen as of Q1 2026.

Based on Knollwood Investment Advisory's 13F filing for Q1 2026, filed 14 May 2026.