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 Q2 2018?

188 institutional investors reported RGEN - REPLIGEN CORP - Common Stock for Q2 2018. Use the holders table for investor-level position and value details.

REPLIGEN CORP - Common Stock (RGEN)

CUSIP: 759916109

Q2 2018 13F Holders as of 30 Jun 2018

Type / Class: Equity / Common Stock
Shares outstanding: 56,095,854
Total 13F shares: 40,579,436
Share change: +1,945,911
Total reported value: $1,908,570,055
Put/Call ratio: 62%
Price per share: $47.04
Number of holders: 188
Value change: +$106,872,252
Number of buys: 100
Number of sells: 65

Quarterly Holders Quick Answers

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

Need full ownership history?
Open the full security ownership history page.

Next holder-history checks

These links keep the next click tied to holder verification, nearby quarters, or outside-13F ownership context.

Back to full security ownership history for the broader multi-quarter picture.
Latest 13F filings for newly reported positions across managers.
Latest Schedule 13D/13G reports for ownership changes outside the 13F cadence.
SEC investors directory for manager drilldown.

Explore More Reporting Periods

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

Newer quarter: Q3 2018
Previous quarter: Q1 2018

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 Finance, Inc.	13F	Company	9.6%	5,365,384	$194,120,000	—	31 Mar 2018	13F
VANGUARD GROUP INC	13F	Company	5.3%	2,958,699	$107,046,000	—	31 Mar 2018	13F
TimesSquare Capital Management, LLC	13F	Company	4.1%	2,320,633	$83,961,000	—	31 Mar 2018	13F
OppenheimerFunds, Inc.	13F	Company	3.5%	1,989,639	$71,985,000	—	31 Mar 2018	13F
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC	13F	Company	3.2%	1,806,703	$65,367,000	—	31 Mar 2018	13F
Invesco Ltd.	13F	Company	2.9%	1,642,459	$59,424,000	—	31 Mar 2018	13F
Conestoga Capital Advisors, LLC	13F	Company	2.9%	1,604,037	$58,034,000	—	31 Mar 2018	13F
STATE STREET CORP	13F	Company	2.9%	1,599,594	$57,877,000	—	31 Mar 2018	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	1.8%	1,013,331	$36,662,000	—	31 Mar 2018	13F
MACQUARIE GROUP LTD	13F	Company	1.8%	986,534	$35,693,000	—	31 Mar 2018	13F
MACKENZIE FINANCIAL CORP	13F	Company	1.7%	946,366	$34,240,000	—	31 Mar 2018	13F
FEDERATED HERMES, INC.	13F	Company	1.7%	930,956	$33,682,000	—	31 Mar 2018	13F
Stephens Investment Management Group LLC	13F	Company	1.7%	928,876	$33,607,000	—	31 Mar 2018	13F
FMR LLC	13F	Company	1.6%	907,513	$32,834,000	—	31 Mar 2018	13F
AMERIPRISE FINANCIAL INC	13F	Company	1.4%	776,567	$28,097,000	—	31 Mar 2018	13F
PALISADE CAPITAL MANAGEMENT, LP	13F	Company	1.4%	762,044	$27,571,000	—	31 Mar 2018	13F
WELLS FARGO & COMPANY/MN	13F	Company	1.3%	738,506	$26,720,000	—	31 Mar 2018	13F
Ranger Investment Management, L.P.	13F	Company	1.2%	691,422	$25,016,000	—	31 Mar 2018	13F
NORTHERN TRUST CORP	13F	Company	0.92%	516,755	$18,695,000	—	31 Mar 2018	13F
SCHRODER INVESTMENT MANAGEMENT GROUP	13F	Company	0.91%	509,958	$18,450,000	—	31 Mar 2018	13F
Bank of New York Mellon Corp	13F	Company	0.86%	484,808	$17,540,000	—	31 Mar 2018	13F
PRICE T ROWE ASSOCIATES INC /MD/	13F	Company	0.8%	451,553	$16,337,000	—	31 Mar 2018	13F
FRED ALGER MANAGEMENT, LLC	13F	Company	0.67%	377,235	$13,648,000	—	31 Mar 2018	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.65%	367,220	$13,286,000	—	31 Mar 2018	13F
BNP Paribas Asset Management Holding S.A.	13F	Company	0.59%	332,831	$12,042,000	—	31 Mar 2018	13F
GOLDMAN SACHS GROUP INC	13F	Company	0.56%	313,621	$11,346,000	—	31 Mar 2018	13F
NORGES BANK	13F	Company	0.55%	308,951	$11,177,000	—	31 Mar 2018	13F
PRINCIPAL FINANCIAL GROUP INC	13F	Company	0.54%	302,002	$10,926,000	—	31 Mar 2018	13F
BANK OF NOVA SCOTIA	13F	Company	0.47%	264,300	$9,562,000	—	31 Mar 2018	13F
KORNITZER CAPITAL MANAGEMENT INC /KS	13F	Company	0.47%	263,310	$9,527,000	—	31 Mar 2018	13F
Redwood Investments, LLC	13F	Company	0.43%	240,907	$8,716,000	—	31 Mar 2018	13F
Pier Capital, LLC	13F	Company	0.38%	213,134	$7,711,000	—	31 Mar 2018	13F
Russell Investments Group, Ltd.	13F	Company	0.35%	196,312	$7,103,000	—	31 Mar 2018	13F
LORD, ABBETT & CO. LLC	13F	Company	0.35%	196,083	$7,094,000	—	31 Mar 2018	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.34%	190,417	$6,890,000	—	31 Mar 2018	13F
Curi Capital, LLC	13F	Company	0.31%	174,198	$6,302,000	—	31 Mar 2018	13F
WELLINGTON MANAGEMENT GROUP LLP	13F	Company	0.31%	173,400	$6,274,000	—	31 Mar 2018	13F
DEUTSCHE BANK AG\	13F	Company	0.31%	172,090	$6,224,000	—	31 Mar 2018	13F
NORTH STAR ASSET MANAGEMENT INC	13F	Company	0.31%	171,275	$6,197,000	—	31 Mar 2018	13F
Summit Creek Advisors LLC	13F	Company	0.3%	166,817	$6,035,000	—	31 Mar 2018	13F
Granahan Investment Management, LLC	13F	Company	0.28%	158,929	$5,750,000	—	31 Mar 2018	13F
QS Investors, LLC	13F	Company	0.26%	146,609	$5,304,000	—	31 Mar 2018	13F
AQR CAPITAL MANAGEMENT LLC	13F	Company	0.26%	145,307	$5,257,000	—	31 Mar 2018	13F
Cortina Asset Management, LLC	13F	Company	0.24%	133,687	$4,837,000	—	31 Mar 2018	13F
CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM	13F	Company	0.22%	125,214	$4,530,000	—	31 Mar 2018	13F
AWM Investment Company, Inc.	13F	Company	0.22%	121,000	$4,378,000	—	31 Mar 2018	13F
BOSTON ADVISORS LLC	13F	Company	0.21%	119,821	$4,335,000	—	31 Mar 2018	13F
EVENTIDE ASSET MANAGEMENT, LLC	13F	Company	0.2%	110,000	$3,980,000	—	31 Mar 2018	13F
RHUMBLINE ADVISERS	13F	Company	0.19%	105,594	$3,820,000	—	31 Mar 2018	13F
MORGAN STANLEY	13F	Company	0.16%	91,271	$3,303,000	—	31 Mar 2018	13F

Institutional Holders of REPLIGEN CORP - Common Stock (RGEN) as of Q2 2018

As of 30 Jun 2018, REPLIGEN CORP - Common Stock (RGEN) was held by 188 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 40,579,436 shares. The largest 10 holders included BlackRock Inc., VANGUARD GROUP INC, OppenheimerFunds, Inc., TimesSquare Capital Management, LLC, Invesco Ltd., WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC, STATE STREET CORP, Conestoga Capital Advisors, LLC, MACQUARIE GROUP LTD, and DIMENSIONAL FUND ADVISORS LP. This page lists 188 institutional shareholders reporting positions in this security for the Q2 2018 filing period.

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

Compare Q2 2018 vs Q1 2018 Across Filers

Q1 2018 holders

181

Q2 2018 holders

188

Holder diff

Investor	Q1 2018 Shares	Q2 2018 Shares	Share Diff	Share Chg %	Q1 2018 Value $	Q2 2018 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.