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North Star Investment Management’s Repligen RGEN Stock Holding History

North Star Investment 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 		$17.7K Hold
150
– – ﹤0.01% 911
2025
Q4 		$24.6K Hold
150
– – ﹤0.01% 813
2025
Q3 		$20.1K Hold
150
– – ﹤0.01% 812
2025
Q2 		$18.7K Buy
+150
New +$19.1K ﹤0.01% 799
2015
Q3 		– Sell
-500
Closed -$21K – 856
2015
Q2 		$21K Hold
500
– – ﹤0.01% 488
2015
Q1 		$15K Hold
500
– – ﹤0.01% 532
2014
Q4 		$10K Buy
+500
New +$11.2K ﹤0.01% 597

Other funds holding RGEN

BlackRock
BlackRock New York $5.72T AUM 30.48% 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 $2.9T AUM 29.55% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $544B AUM 28.31% 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 $298B AUM 21.96% 1-Year Est. Return

North Star Investment Management's RGEN Position: Q1 2026 in Review

North Star Investment Management held its Repligen (RGEN) position steady in Q1 2026 at 150 shares worth $17.7K. The position accounts for ﹤0.01% of the portfolio, ranked #911.

North Star Investment Management first reported a position in RGEN in Q4 2014 and has held it in 7 quarters since. The position peaked at $24.6K in Q4 2025. 442 funds tracked by Wall St. Rank hold RGEN as of Q1 2026.

  • North Star Investment Management held 150 shares of Repligen worth $17.7K as of Q1 2026.
  • North Star Investment Management left its Repligen share count unchanged in Q1 2026.
  • Repligen made up ﹤0.01% of North Star Investment Management's portfolio in Q1 2026, its #911 holding.
  • North Star Investment Management first reported a position in Repligen in Q4 2014 and has held it in 7 quarters since.
  • North Star Investment Management's Repligen position peaked at $24.6K in Q4 2025.
  • 442 funds tracked by Wall St. Rank held Repligen as of Q1 2026.

Based on North Star Investment Management's 13F filing for Q1 2026, filed 23 Apr 2026.