REPLIGEN CORP

Ticker: RGEN CUSIP: 759916109 Class: Common Stock

Note: Option positions (PUT/CALL) are excluded.

New Positions (73)

Increased Positions (146)

Iron Triangle Partners LP
Value ($000) $52,513 (+45.5%) Shares 320,474 (+18.7%)
Avidity Partners Management LP
Value ($000) $8,242 (+164.6%) Shares 50,300 (+115.9%)
Blue Whale Capital LLP
Value ($000) $50,545 (+55.5%) Shares 308,467 (+26.9%)
Conestoga Capital Advisors, LLC
Value ($000) $173,360 (+35.5%) Shares 1,057,975 (+10.6%)
CONGRESS ASSET MANAGEMENT CO /MA
Value ($000) $122,290 (+318.5%) Shares 746,306 (+241.4%)
FRED ALGER MANAGEMENT, LLC
Value ($000) $149,363 (+211.8%) Shares 911,527 (+154.3%)
Stephens Investment Management Group LLC
Value ($000) $107,674 (+34.6%) Shares 657,111 (+9.8%)
TimesSquare Capital Management, LLC
Value ($000) $71,392 (+47.5%) Shares 435,687 (+20.3%)
PERCEPTIVE ADVISORS LLC
Value ($000) $51,705 (+43.0%) Shares 315,541 (+16.7%)
Artemis Investment Management LLP
Value ($000) $67,243 (+45.1%) Shares 410,369 (+18.3%)
Walleye Capital LLC
Value ($000) $68,348 (+175.3%) Shares 417,110 (+124.5%)
BAMCO INC /NY/
Value ($000) $89,267 (+75.0%) Shares 544,779 (+42.7%)
MARSHALL WACE, LLP
Value ($000) $84,607 (+249.6%) Shares 516,336 (+185.2%)
Portside Wealth Group, LLC
Value ($000) $936 (+218.0%) Shares 5,713 (+159.4%)
Voya Investment Management LLC
Value ($000) $85,397 (+111.1%) Shares 521,158 (+72.2%)
NZS Capital, LLC
Value ($000) $32,576 (+23.8%) Shares 198,803 (+1.0%)
FRANKLIN RESOURCES INC
Value ($000) $180,483 (+218.2%) Shares 1,101,447 (+159.6%)
DARK FOREST CAPITAL MANAGEMENT LP
Value ($000) $1,381 (+245.0%) Shares 8,425 (+181.4%)
COMERICA BANK
Value ($000) $24,429 (+61.7%) Shares 149,083 (+31.9%)
Granahan Investment Management, LLC
Value ($000) $11,798 (+26.3%) Shares 72,002 (+3.0%)

Decreased Positions (131)

Vestal Point Capital, LP
Value ($000) $13,600 (-74.6%) Shares 83,000 (-79.3%)
BROWN CAPITAL MANAGEMENT LLC
Value ($000) $44,893 (-49.8%) Shares 273,972 (-59.0%)
Sone Capital Management, LLC
Value ($000) $4,607 (-75.1%) Shares 28,118 (-79.7%)
LRT Capital Management, LLC
Value ($000) $1,591 (-39.3%) Shares 9,709 (-50.5%)
Champlain Investment Partners, LLC
Value ($000) $164,507 (-8.1%) Shares 1,003,951 (-25.0%)
Delta Investment Management, LLC
Value ($000) $3,858 (-43.1%) Shares 23,544 (-53.6%)
BRAIDWELL LP
Value ($000) $13,402 (-48.8%) Shares 81,790 (-58.2%)
GENEVA CAPITAL MANAGEMENT LLC
Value ($000) $92,249 (+15.6%) Shares 562,975 (-5.7%)
Impax Asset Management Group plc
Value ($000) $67,737 (-27.2%) Shares 413,384 (-41.2%)
PALISADE CAPITAL MANAGEMENT, LP
Value ($000) $38,048 (+8.7%) Shares 232,196 (-11.3%)
GROUPAMA ASSET MANAGMENT
Value ($000) $1,219 (+99.7%) Shares 7,437 (-98.1%)
DF DENT & CO INC
Value ($000) $81,201 (+13.6%) Shares 495,550 (-7.3%)
Holocene Advisors, LP
Value ($000) $157,476 (-14.5%) Shares 961,040 (-30.2%)
RIVERBRIDGE PARTNERS LLC
Value ($000) $51,348 (+11.9%) Shares 313,365 (-8.8%)
Kensington Investment Counsel, LLC
Value ($000) $859 (-20.6%) Shares 5,241 (-35.2%)
BALYASNY ASSET MANAGEMENT L.P.
Value ($000) $18,853 (-81.6%) Shares 115,053 (-85.0%)
Point72 Asset Management, L.P.
Value ($000) $164,894 (-14.4%) Shares 1,006,310 (-30.2%)
OSTERWEIS CAPITAL MANAGEMENT INC
Value ($000) $8,952 (-8.2%) Shares 54,635 (-25.1%)
Sivik Global Healthcare LLC
Value ($000) $4 (+11.5%) Shares 25,000 (-9.1%)
Cinctive Capital Management LP
Value ($000) $1,252 (-63.2%) Shares 7,638 (-70.0%)

Exited Positions (63)