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Weitz Investment Management’s Repligen RGEN Stock Holding History

Weitz 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
Q2 		$5.57M Buy
40,800
+15,300
+60% +$1.88M 0.39% 40
2026
Q1 		$3M Buy
+25,500
New +$3.56M 0.21% 43

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 $3.38T AUM 44.17% 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

Weitz Investment Management's RGEN Position: Q2 2026 in Review

Weitz Investment Management increased its Repligen (RGEN) stake by 60% in Q2 2026, buying an estimated $1.88M and bringing the position to 40,800 shares worth $5.57M. The position accounts for 0.39% of the portfolio, ranked #40.

Weitz Investment Management first reported a position in RGEN in Q1 2026 and has held it in 2 quarters since. 482 funds tracked by Wall St. Rank hold RGEN as of Q2 2026.

  • Weitz Investment Management held 40,800 shares of Repligen worth $5.57M as of Q2 2026.
  • Weitz Investment Management bought 15,300 Repligen shares in Q2 2026, an estimated $1.88M.
  • Repligen made up 0.39% of Weitz Investment Management's portfolio in Q2 2026, its #40 holding.
  • Weitz Investment Management first reported a position in Repligen in Q1 2026 and has held it in 2 quarters since.
  • 482 funds tracked by Wall St. Rank held Repligen as of Q2 2026.

Based on Weitz Investment Management's 13F filing for Q2 2026, filed 12 Aug 2026.