What does CUSIP 759916109 represent in this 13F holders report?

CUSIP 759916109 is the security identifier for RGEN - REPLIGEN CORP - Common Stock used to aggregate holder disclosures.

How many institutions held RGEN - REPLIGEN CORP - Common Stock in Q1 2016?

180 institutional investors reported RGEN - REPLIGEN CORP - Common Stock for Q1 2016. Use the holders table for investor-level position and value details.

REPLIGEN CORP - Common Stock (RGEN)

CUSIP: 759916109

Q1 2016 13F Holders as of 31 Mar 2016

Type / Class: Equity / Common Stock
Shares outstanding: 56,095,854
Total 13F shares: 29,619,988
Share change: +1,369,506
Total reported value: $794,428,927
Put/Call ratio: 30%
Price per share: $26.82
Number of holders: 180
Value change: +$36,143,815
Number of buys: 96
Number of sells: 70

Quarterly Holders Quick Answers

What is CUSIP 759916109?
CUSIP 759916109 identifies RGEN - REPLIGEN CORP - Common Stock in SEC institutional holdings data.

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Explore More Reporting Periods

Jump to adjacent filing periods for faster comparison and easier crawl discovery.

Newer quarter: Q2 2016
Previous quarter: Q4 2015

Recent filing periods for CUSIP 759916109:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

Top shareholders of RGEN - REPLIGEN CORP - Common Stock (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
FMR LLC	13F	Company	4.5%	2,518,868	$71,259,000	—	31 Dec 2015	13F
BlackRock Fund Advisors	13F	Company	4.4%	2,440,415	$69,039,000	—	31 Dec 2015	13F
Invesco Ltd.	13F	Company	3.6%	1,994,389	$56,422,000	—	31 Dec 2015	13F
OppenheimerFunds, Inc.	13F	Company	3.3%	1,870,111	$52,905,000	—	31 Dec 2015	13F
VANGUARD GROUP INC	13F	Company	2.5%	1,400,777	$39,629,000	—	31 Dec 2015	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	2%	1,137,844	$32,190,000	—	31 Dec 2015	13F
STATE STREET CORP	13F	Company	1.7%	938,241	$26,547,000	—	31 Dec 2015	13F
Conestoga Capital Advisors, LLC	13F	Company	1.5%	866,673	$24,518,000	—	31 Dec 2015	13F
BlackRock Institutional Trust Company, N.A.	13F	Company	1.5%	857,614	$24,262,000	—	31 Dec 2015	13F
RENAISSANCE TECHNOLOGIES LLC	13F	Company	1.4%	782,104	$22,126,000	—	31 Dec 2015	13F
WELLS FARGO & COMPANY/MN	13F	Company	1.2%	696,377	$19,701,000	—	31 Dec 2015	13F
AMERIPRISE FINANCIAL INC	13F	Company	1.1%	640,255	$18,113,000	—	31 Dec 2015	13F
FEDERATED HERMES, INC.	13F	Company	1%	578,908	$16,377,000	—	31 Dec 2015	13F
COLUMBUS CIRCLE INVESTORS	13F	Company	1%	572,732	$16,203,000	—	31 Dec 2015	13F
Bank of New York Mellon Corp	13F	Company	1%	572,290	$16,190,000	—	31 Dec 2015	13F
Ranger Investment Management, L.P.	13F	Company	0.9%	502,285	$14,210,000	—	31 Dec 2015	13F
PALISADE CAPITAL MANAGEMENT, LP	13F	Company	0.89%	497,832	$14,084,000	—	31 Dec 2015	13F
NORTHERN TRUST CORP	13F	Company	0.82%	457,900	$12,955,000	—	31 Dec 2015	13F
Stephens Investment Management Group LLC	13F	Company	0.78%	435,006	$12,306,000	—	31 Dec 2015	13F
Allianz Asset Management GmbH	13F	Company	0.68%	383,706	$10,855,000	—	31 Dec 2015	13F
KALMAR INVESTMENTS INC /DE/	13F	Company	0.64%	357,348	$10,109,000	—	31 Dec 2015	13F
TAMRO Capital Partners LLC	13F	Company	0.57%	321,990	$9,109,000	—	31 Dec 2015	13F
MILLENNIUM MANAGEMENT LLC	13F	Company	0.51%	287,689	$8,139,000	—	31 Dec 2015	13F
BNP Paribas Asset Management Holding S.A.	13F	Company	0.48%	269,071	$7,612,000	—	31 Dec 2015	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.43%	243,503	$6,888,000	—	31 Dec 2015	13F
NORGES BANK	13F	Company	0.43%	239,440	$6,774,000	—	31 Dec 2015	13F
EAGLE ASSET MANAGEMENT INC	13F	Company	0.42%	238,090	$6,735,000	—	31 Dec 2015	13F
GUGGENHEIM CAPITAL LLC	13F	Company	0.41%	232,558	$6,579,000	—	31 Dec 2015	13F
PRINCIPAL FINANCIAL GROUP INC	13F	Company	0.39%	216,985	$6,139,000	—	31 Dec 2015	13F
MCKINLEY CAPITAL MANAGEMENT LLC	13F	Company	0.36%	203,749	$5,764,000	—	31 Dec 2015	13F
EVENTIDE ASSET MANAGEMENT, LLC	13F	Company	0.36%	202,000	$5,715,000	—	31 Dec 2015	13F
AWM Investment Company, Inc.	13F	Company	0.36%	200,000	$5,658,000	—	31 Dec 2015	13F
PRICE T ROWE ASSOCIATES INC /MD/	13F	Company	0.34%	189,990	$5,375,000	—	31 Dec 2015	13F
CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM	13F	Company	0.33%	186,700	$5,282,000	—	31 Dec 2015	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.29%	163,654	$4,630,000	—	31 Dec 2015	13F
TIAA CREF INVESTMENT MANAGEMENT LLC	13F	Company	0.29%	161,334	$4,564,000	—	31 Dec 2015	13F
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC	13F	Company	0.29%	160,893	$4,552,000	—	31 Dec 2015	13F
QS Investors, LLC	13F	Company	0.28%	159,214	$4,504,000	—	31 Dec 2015	13F
Matarin Capital Management, LLC	13F	Company	0.28%	158,677	$4,488,973	—	31 Dec 2015	13F
Granite Investment Partners, LLC	13F	Company	0.27%	151,333	$4,281,000	—	31 Dec 2015	13F
GOLDMAN SACHS GROUP INC	13F	Company	0.26%	144,822	$4,097,000	—	31 Dec 2015	13F
PRUDENTIAL FINANCIAL INC	13F	Company	0.24%	137,330	$3,885,000	—	31 Dec 2015	13F
GSA CAPITAL PARTNERS LLP	13F	Company	0.24%	132,404	$3,746,000	—	31 Dec 2015	13F
BlackRock Investment Management, LLC	13F	Company	0.22%	124,430	$3,520,000	—	31 Dec 2015	13F
ARBOR CAPITAL MANAGEMENT LLC	13F	Company	0.22%	122,217	$3,458,000	—	31 Dec 2015	13F
MORGAN STANLEY	13F	Company	0.22%	121,883	$3,448,000	—	31 Dec 2015	13F
Nicholas Investment Partners, LP	13F	Company	0.21%	120,263	$3,402,000	—	31 Dec 2015	13F
PUTNAM INVESTMENTS LLC	13F	Company	0.19%	108,364	$3,065,000	—	31 Dec 2015	13F
STEPHENS INC /AR/	13F	Company	0.19%	107,405	$3,038,000	—	31 Dec 2015	13F
DEUTSCHE BANK AG\	13F	Company	0.18%	102,328	$2,893,000	—	31 Dec 2015	13F

Institutional Holders of REPLIGEN CORP - Common Stock (RGEN) as of Q1 2016

As of 31 Mar 2016, REPLIGEN CORP - Common Stock (RGEN) was held by 180 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 29,619,988 shares. The largest 10 holders included BlackRock Fund Advisors, OppenheimerFunds, Inc., Invesco Ltd., FMR LLC, VANGUARD GROUP INC, DIMENSIONAL FUND ADVISORS LP, Conestoga Capital Advisors, LLC, RENAISSANCE TECHNOLOGIES LLC, STATE STREET CORP, and BlackRock Institutional Trust Company, N.A.. This page lists 180 institutional shareholders reporting positions in this security for the Q1 2016 filing period.

Investor	Option	Weight %	Change %	Value $	* Price	Shares	Share Change	Activity	Report Period

Compare Q1 2016 vs Q4 2015 Across Filers

Q4 2015 holders

173

Q1 2016 holders

180

Holder diff

Investor	Q4 2015 Shares	Q1 2016 Shares	Share Diff	Share Chg %	Q4 2015 Value $	Q1 2016 Value $	Value Diff $	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.