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 2014?

132 institutional investors reported RGEN - REPLIGEN CORP - Common Stock for Q1 2014. Use the holders table for investor-level position and value details.

REPLIGEN CORP - Common Stock (RGEN)

CUSIP: 759916109

Q1 2014 13F Holders as of 31 Mar 2014

Type / Class: Equity / Common Stock
Shares outstanding: 56,095,854
Total 13F shares: 26,217,884
Share change: +1,063,932
Total reported value: $337,427,505
Put/Call ratio: 82%
Price per share: $12.86
Number of holders: 132
Value change: +$13,060,004
Number of buys: 62
Number of sells: 67

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 2014
Previous quarter: Q4 2013

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
BlackRock Institutional Trust Company, N.A.	13F	Company	2.9%	1,632,451	$22,267,000	—	31 Dec 2013	13F
NORTHPOINTE CAPITAL LLC	13F	Company	2.8%	1,560,320	$21,283,000	—	31 Dec 2013	13F
ACADIAN ASSET MANAGEMENT LLC	13F	Company	2.3%	1,298,044	$17,708,000	—	31 Dec 2013	13F
BlackRock Fund Advisors	13F	Company	2.2%	1,222,189	$16,671,000	—	31 Dec 2013	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	2.2%	1,213,137	$16,546,000	—	31 Dec 2013	13F
STATE STREET CORP	13F	Company	2%	1,099,596	$14,999,000	—	31 Dec 2013	13F
FMR LLC	13F	Company	1.7%	948,150	$12,933,000	—	31 Dec 2013	13F
KALMAR INVESTMENTS INC /DE/	13F	Company	1.6%	895,685	$12,217,000	—	31 Dec 2013	13F
MILLENNIUM MANAGEMENT LLC	13F	Company	1.6%	883,459	$12,050,000	—	31 Dec 2013	13F
VANGUARD GROUP INC	13F	Company	1.5%	843,868	$11,510,000	—	31 Dec 2013	13F
AMERIPRISE FINANCIAL INC	13F	Company	1.4%	792,182	$10,805,000	—	31 Dec 2013	13F
FEDERATED HERMES, INC.	13F	Company	1.3%	749,475	$10,223,000	—	31 Dec 2013	13F
WALL STREET ASSOCIATES	13F	Company	1.3%	741,000	$10,107,000	—	31 Dec 2013	13F
BLACKROCK ADVISORS LLC	13F	Company	1%	575,873	$7,855,000	—	31 Dec 2013	13F
Austin W. Greenhouse David M. Marxe	13F	Individual	1%	575,664	$7,852,000	—	31 Dec 2013	13F
Allianz Asset Management GmbH	13F	Company	1%	571,222	$7,791,000	—	31 Dec 2013	13F
RENAISSANCE TECHNOLOGIES LLC	13F	Company	1%	563,400	$7,685,000	—	31 Dec 2013	13F
NORTHERN TRUST CORP	13F	Company	0.83%	466,285	$6,360,000	—	31 Dec 2013	13F
QS BATTERYMARCH FINANCIAL MANAGEMENT, INC	13F	Company	0.75%	421,171	$5,745,000	—	31 Dec 2013	13F
RUSSELL FRANK CO/	13F	Company	0.75%	418,034	$5,346,000	—	31 Dec 2013	13F
CADENCE CAPITAL MANAGEMENT LLC	13F	Company	0.68%	379,260	$5,173,000	—	31 Dec 2013	13F
AQR CAPITAL MANAGEMENT LLC	13F	Company	0.55%	307,225	$4,191,000	—	31 Dec 2013	13F
PICTET ASSET MANAGEMENT LTD	13F	Company	0.54%	300,200	$4,095,000	—	31 Dec 2013	13F
RICE HALL JAMES & ASSOCIATES, LLC	13F	Company	0.5%	282,731	$3,856,000	—	31 Dec 2013	13F
Informed Momentum Co LLC	13F	Company	0.48%	268,353	$3,660,000	—	31 Dec 2013	13F
Nicholas Investment Partners, LP	13F	Company	0.46%	255,287	$3,482,000	—	31 Dec 2013	13F
MCKINLEY CAPITAL MANAGEMENT LLC	13F	Company	0.45%	250,879	$3,422,000	—	31 Dec 2013	13F
GROW Partners, LLC	13F	Company	0.43%	244,000	$3,328,000	—	31 Dec 2013	13F
OXFORD ASSET MANAGEMENT LLP	13F	Company	0.43%	242,901	$3,313,000	—	31 Dec 2013	13F
Bank of New York Mellon Corp	13F	Company	0.43%	240,431	$3,280,000	—	31 Dec 2013	13F
Timpani Capital Management LLC	13F	Company	0.38%	213,862	$2,917,000	—	31 Dec 2013	13F
Invesco Ltd.	13F	Company	0.38%	213,226	$2,908,000	—	31 Dec 2013	13F
BOGLE INVESTMENT MANAGEMENT L P /DE/	13F	Company	0.36%	203,843	$2,780,000	—	31 Dec 2013	13F
CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM	13F	Company	0.36%	202,343	$2,606,000	—	31 Dec 2013	13F
TWO SIGMA INVESTMENTS, LP	13F	Company	0.32%	181,139	$2,471,000	—	31 Dec 2013	13F
STEPHENS INC /AR/	13F	Company	0.32%	178,414	$2,434,000	—	31 Dec 2013	13F
TWO SIGMA ADVISERS, LP	13F	Company	0.31%	172,700	$2,355,000	—	31 Dec 2013	13F
AXIOM INVESTORS LLC /DE	13F	Company	0.3%	168,100	$2,293,000	—	31 Dec 2013	13F
WELLINGTON MANAGEMENT GROUP LLP	13F	Company	0.28%	158,494	$2,161,000	—	31 Dec 2013	13F
ROTHSCHILD & CO ASSET MANAGEMENT US INC.	13F	Company	0.28%	157,180	$2,144,000	—	31 Dec 2013	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.27%	148,952	$2,031,000	—	31 Dec 2013	13F
SYSTEMATIC FINANCIAL MANAGEMENT LP	13F	Company	0.25%	140,690	$1,919,000	—	31 Dec 2013	13F
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS	13F	Company	0.24%	135,296	$1,845,000	—	31 Dec 2013	13F
GOLDMAN SACHS GROUP INC	13F	Company	0.24%	135,111	$1,843,000	—	31 Dec 2013	13F
D L CARLSON INVESTMENT GROUP INC	13F	Company	0.23%	130,675	$1,782,000	—	31 Dec 2013	13F
BRIDGEWAY CAPITAL MANAGEMENT, LLC	13F	Company	0.22%	124,100	$1,693,000	—	31 Dec 2013	13F
TIAA CREF INVESTMENT MANAGEMENT LLC	13F	Company	0.21%	118,771	$1,620,000	—	31 Dec 2013	13F
CORNERSTONE CAPITAL MANAGEMENT HOLDINGS LLC.	13F	Company	0.2%	112,000	$1,526,000	—	31 Dec 2013	13F
COLONY GROUP LLC	13F	Company	0.2%	111,505	$1,521,000	—	31 Dec 2013	13F
CREDIT SUISSE AG/	13F	Company	0.2%	111,234	$1,518,000	—	31 Dec 2013	13F

Institutional Holders of REPLIGEN CORP - Common Stock (RGEN) as of Q1 2014

As of 31 Mar 2014, REPLIGEN CORP - Common Stock (RGEN) was held by 132 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 26,217,884 shares. The largest 10 holders included State Street Corp, FMR LLC, BlackRock Institutional Trust Company, N.A., ACADIAN ASSET MANAGEMENT LLC, BlackRock Fund Advisors, DIMENSIONAL FUND ADVISORS LP, MILLENNIUM MANAGEMENT LLC, NORTHPOINTE CAPITAL LLC, VANGUARD GROUP INC, and FEDERATED INVESTORS INC /PA/. This page lists 132 institutional shareholders reporting positions in this security for the Q1 2014 filing period.

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

Compare Q1 2014 vs Q4 2013 Across Filers

Q4 2013 holders

129

Q1 2014 holders

132

Holder diff

Investor	Q4 2013 Shares	Q1 2014 Shares	Share Diff	Share Chg %	Q4 2013 Value $	Q1 2014 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.