How many institutions held QTRX - Quanterix Corp - Common Stock, $0.001 par value per share in Q4 2018?

59 institutional investors reported QTRX - Quanterix Corp - Common Stock, $0.001 par value per share for Q4 2018. Use the holders table for investor-level position and value details.

Quanterix Corp - Common Stock, $0.001 par value per share (QTRX)

Q: What does CUSIP 74766Q101 represent in this 13F holders report?

CUSIP 74766Q101 is the security identifier for QTRX - Quanterix Corp - Common Stock, $0.001 par value per share used to aggregate holder disclosures.

CUSIP: 74766Q101

Q4 2018 13F Holders as of 31 Dec 2018

Type / Class: Equity / Common Stock, $0.001 par value per share
Shares outstanding: 47,133,168
Total 13F shares: 11,619,932
Share change: +373,431
Total reported value: $212,758,568
Price per share: $18.31
Number of holders: 59
Value change: +$6,126,624
Number of buys: 31
Number of sells: 18

Quarterly Holders Quick Answers

What is CUSIP 74766Q101?
CUSIP 74766Q101 identifies QTRX - Quanterix Corp - Common Stock, $0.001 par value per share in SEC institutional holdings data.

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

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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: Q1 2019
Previous quarter: Q3 2018

Recent filing periods for CUSIP 74766Q101:

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

Top shareholders of QTRX - Quanterix Corp - Common Stock, $0.001 par value per share (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
BAIN CAPITAL VENTURE INVESTORS, LLC	13F	Company	4.5%	2,136,085	$45,755,000	—	30 Sep 2018	13F
FMR LLC	13F	Company	2.8%	1,325,749	$28,398,000	—	30 Sep 2018	13F
PRICE T ROWE ASSOCIATES INC /MD/	13F	Company	2.1%	989,509	$21,195,000	—	30 Sep 2018	13F
GILDER GAGNON HOWE & CO LLC	13F	Company	2%	966,203	$20,696,000	—	30 Sep 2018	13F
ROYCE & ASSOCIATES LP	13F	Company	1.5%	728,900	$15,613,000	—	30 Sep 2018	13F
BlackRock Finance, Inc.	13F	Company	0.87%	409,721	$8,775,000	—	30 Sep 2018	13F
VANGUARD GROUP INC	13F	Company	0.73%	345,281	$7,396,000	—	30 Sep 2018	13F
Bellevue Group AG	13F	Company	0.66%	313,230	$6,709,000	—	30 Sep 2018	13F
JENNISON ASSOCIATES LLC	13F	Company	0.62%	294,314	$6,304,000	—	30 Sep 2018	13F
Portolan Capital Management, LLC	13F	Company	0.48%	226,891	$4,860,000	—	30 Sep 2018	13F
Park West Asset Management LLC	13F	Company	0.44%	208,436	$4,465,000	—	30 Sep 2018	13F
PLATINUM INVESTMENT MANAGEMENT LTD	13F	Company	0.37%	175,000	$3,749,000	—	30 Sep 2018	13F
MILLENNIUM MANAGEMENT LLC	13F	Company	0.22%	102,391	$2,193,000	—	30 Sep 2018	13F
NORTHERN TRUST CORP	13F	Company	0.21%	97,998	$2,099,000	—	30 Sep 2018	13F
STATE STREET CORP	13F	Company	0.18%	83,147	$1,782,000	—	30 Sep 2018	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.16%	74,074	$1,586,000	—	30 Sep 2018	13F
Cormorant Asset Management, LP	13F	Company	0.12%	54,945	$1,177,000	—	30 Sep 2018	13F
Point72 Asset Management, L.P.	13F	Company	0.11%	53,009	$1,135,000	—	30 Sep 2018	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.11%	52,415	$1,123,000	—	30 Sep 2018	13F
TD ASSET MANAGEMENT INC	13F	Company	0.1%	45,800	$981,000	—	30 Sep 2018	13F
BRIDGEWAY CAPITAL MANAGEMENT, LLC	13F	Company	0.08%	40,000	$857,000	—	30 Sep 2018	13F
Allianz Asset Management GmbH	13F	Company	0.08%	37,680	$807,000	—	30 Sep 2018	13F
RWA WEALTH PARTNERS, LLC	13F	Company	0.07%	34,000	$728,000	—	30 Sep 2018	13F
Bank of New York Mellon Corp	13F	Company	0.06%	28,855	$618,000	—	30 Sep 2018	13F
PNC FINANCIAL SERVICES GROUP, INC.	13F	Company	0.04%	20,000	$428,000	—	30 Sep 2018	13F
DEUTSCHE BANK AG\	13F	Company	0.04%	19,136	$410,000	—	30 Sep 2018	13F
J.P. Morgan Private Wealth Advisors LLC	13F	Company	0.04%	17,350	$372,000	—	30 Sep 2018	13F
MORGAN STANLEY	13F	Company	0.04%	17,036	$366,000	—	30 Sep 2018	13F
Granite Investment Partners, LLC	13F	Company	0.03%	16,178	$346,000	—	30 Sep 2018	13F
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM	13F	Company	0.03%	12,759	$273,000	—	30 Sep 2018	13F
GOLDMAN SACHS GROUP INC	13F	Company	0.02%	11,266	$241,000	—	30 Sep 2018	13F
TEACHERS ADVISORS, LLC	13F	Company	0.02%	10,223	$219,000	—	30 Sep 2018	13F
JPMORGAN CHASE & CO	13F	Company	0.02%	8,591	$184,000	—	30 Sep 2018	13F
ACADIAN ASSET MANAGEMENT LLC	13F	Company	0.01%	6,273	$134,000	—	30 Sep 2018	13F
AMERICAN INTERNATIONAL GROUP, INC.	13F	Company	0.01%	5,601	$120,000	—	30 Sep 2018	13F
BARCLAYS PLC	13F	Company	0.01%	4,722	$101,000	—	30 Sep 2018	13F
WELLS FARGO & COMPANY/MN	13F	Company	0.01%	4,399	$94,000	—	30 Sep 2018	13F
NEW YORK STATE COMMON RETIREMENT FUND	13F	Company	0.01%	3,000	$64,000	—	30 Sep 2018	13F
CITIGROUP INC	13F	Company	0%	2,331	$50,000	—	30 Sep 2018	13F
Flagship Pioneering, LLC	13F	Company	4.3%	2,030,495	$43,493	—	30 Sep 2018	13F
Tower Research Capital LLC (TRC)	13F	Company	0%	2,015	$43,000	—	30 Sep 2018	13F
UBS Group AG	13F	Company	0%	1,989	$43,000	—	30 Sep 2018	13F
Legal & General Group Plc	13F	Company	0%	1,297	$28,000	—	30 Sep 2018	13F
BANK OF AMERICA CORP /DE/	13F	Company	0%	1,195	$26,000	—	30 Sep 2018	13F
ROYAL BANK OF CANADA	13F	Company	0%	1,024	$22,000	—	30 Sep 2018	13F
American Research & Management Co.	13F	Company	0%	700	$15,000	—	30 Sep 2018	13F
Farmers & Merchants Trust Co of Chambersburg PA	13F	Company	0%	460	$10,000	—	30 Sep 2018	13F
Ameritas Investment Partners, Inc.	13F	Company	0%	420	$9,000	—	30 Sep 2018	13F
Horan Securities, Inc.	13F	Company	0%	464	$8,000	—	30 Sep 2018	13F
BNP PARIBAS FINANCIAL MARKETS	13F	Company	0%	158	$3,384	—	30 Sep 2018	13F

Institutional Holders of Quanterix Corp - Common Stock, $0.001 par value per share (QTRX) as of Q4 2018

As of 31 Dec 2018, Quanterix Corp - Common Stock, $0.001 par value per share (QTRX) was held by 59 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 11,619,932 shares. The largest 10 holders included BAIN CAPITAL VENTURE INVESTORS, LLC, Flagship Pioneering Inc., FMR LLC, PRICE T ROWE ASSOCIATES INC /MD/, GILDER GAGNON HOWE & CO LLC, ROYCE & ASSOCIATES LP, BlackRock Inc., Vanguard Group Inc, JENNISON ASSOCIATES LLC, and Bellevue Group AG. This page lists 59 institutional shareholders reporting positions in this security for the Q4 2018 filing period.

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

Compare Q4 2018 vs Q3 2018 Across Filers

Q3 2018 holders

Q4 2018 holders

Holder diff

Investor	Q3 2018 Shares	Q4 2018 Shares	Share Diff	Share Chg %	Q3 2018 Value $	Q4 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.