WEITZ INVESTMENT MANAGEMENT, INC.

Superinvestor

Weitz Investment Management

SEC CIK: 0000883965
Manager: Wally Weitz
Style: Value

SEC filings (opens in a new tab)

RGEN holding history

REPLIGEN CORP

Every 13F filing in which Weitz Investment Management reported holding RGEN, plus the quarters it sold out. Changes compare share counts with the previous calendar quarter.

RGEN overview All 13F holders of RGEN Full portfolio

WEITZ INVESTMENT MANAGEMENT, INC.: RGEN holding by quarter
Quarter	Shares	Value	% of portfolio	Change in shares	Action
Q2 2026	40,800	$5.57M	0.39%	+15,300+60.0%	Added
Q1 2026	25,500	$3M	0.21%	+25,500	New