How many institutions held QTRX - Quanterix Corp - Common Stock, $0.001 par value per share in Q2 2019?

86 institutional investors reported QTRX - Quanterix Corp - Common Stock, $0.001 par value per share for Q2 2019. 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

Q2 2019 13F Holders as of 30 Jun 2019

Type / Class: Equity / Common Stock, $0.001 par value per share
Shares outstanding: 47,133,168
Total 13F shares: 13,456,355
Share change: +4,068,679
Total reported value: $454,666,714
Price per share: $33.79
Number of holders: 86
Value change: +$139,461,201
Number of buys: 65
Number of sells: 17

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?
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Back to full security ownership history for the broader multi-quarter picture.
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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 2019
Previous quarter: Q1 2019

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%	2,136,084	$55,175,000	—	31 Mar 2019	13F
PRICE T ROWE ASSOCIATES INC /MD/	13F	Company	2.1%	992,961	$25,648,000	—	31 Mar 2019	13F
GILDER GAGNON HOWE & CO LLC	13F	Company	2.1%	986,587	$25,484,000	—	31 Mar 2019	13F
FMR LLC	13F	Company	1.7%	777,914	$20,094,000	—	31 Mar 2019	13F
BlackRock Finance, Inc.	13F	Company	1.4%	676,060	$17,462,000	—	31 Mar 2019	13F
ROYCE & ASSOCIATES LP	13F	Company	1.4%	646,879	$16,709,000	—	31 Mar 2019	13F
VANGUARD GROUP INC	13F	Company	1%	475,631	$12,285,000	—	31 Mar 2019	13F
AMERIPRISE FINANCIAL INC	13F	Company	0.81%	383,363	$9,899,000	—	31 Mar 2019	13F
Bellevue Group AG	13F	Company	0.74%	349,359	$9,024,000	—	31 Mar 2019	13F
CWM, LLC	13F	Company	0.3%	140,757	$8,257,000	—	31 Mar 2019	13F
Allianz Asset Management GmbH	13F	Company	0.44%	207,484	$5,359,000	—	31 Mar 2019	13F
PLATINUM INVESTMENT MANAGEMENT LTD	13F	Company	0.43%	204,882	$5,292,000	—	31 Mar 2019	13F
Park West Asset Management LLC	13F	Company	0.3%	139,255	$3,597,000	—	31 Mar 2019	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.27%	125,882	$3,251,000	—	31 Mar 2019	13F
STATE STREET CORP	13F	Company	0.24%	113,499	$2,932,000	—	31 Mar 2019	13F
MORGAN STANLEY	13F	Company	0.22%	105,998	$2,738,000	—	31 Mar 2019	13F
Tikvah Management LLC	13F	Company	0.22%	105,989	$2,738,000	—	31 Mar 2019	13F
MILLENNIUM MANAGEMENT LLC	13F	Company	0.22%	103,149	$2,664,000	—	31 Mar 2019	13F
NORTHERN TRUST CORP	13F	Company	0.21%	97,890	$2,528,000	—	31 Mar 2019	13F
J.P. Morgan Private Wealth Advisors LLC	13F	Company	0.15%	72,166	$1,864,000	—	31 Mar 2019	13F
Global IMC LLC	13F	Company	0.11%	52,244	$1,349,000	—	31 Mar 2019	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.11%	51,589	$1,333,000	—	31 Mar 2019	13F
Point72 Asset Management, L.P.	13F	Company	0.11%	50,862	$1,314,000	—	31 Mar 2019	13F
TD ASSET MANAGEMENT INC	13F	Company	0.1%	49,100	$1,268,000	—	31 Mar 2019	13F
Informed Momentum Co LLC	13F	Company	0.09%	40,527	$1,047,000	—	31 Mar 2019	13F
Bank of New York Mellon Corp	13F	Company	0.08%	39,453	$1,019,000	—	31 Mar 2019	13F
RWA WEALTH PARTNERS, LLC	13F	Company	0.07%	34,000	$878,000	—	31 Mar 2019	13F
Hood River Capital Management LLC	13F	Company	0.07%	31,717	$819,000	—	31 Mar 2019	13F
SEI INVESTMENTS CO	13F	Company	0.07%	31,717	$819,000	—	31 Mar 2019	13F
WELLS FARGO & COMPANY/MN	13F	Company	0.06%	29,508	$762,000	—	31 Mar 2019	13F
BRIDGEWAY CAPITAL MANAGEMENT, LLC	13F	Company	0.05%	25,000	$646,000	—	31 Mar 2019	13F
MACQUARIE GROUP LTD	13F	Company	0.05%	22,044	$569,000	—	31 Mar 2019	13F
Squarepoint Ops LLC	13F	Company	0.05%	21,285	$550,000	—	31 Mar 2019	13F
Spark Investment Management LLC	13F	Company	0.04%	20,100	$519,000	—	31 Mar 2019	13F
GOLDMAN SACHS GROUP INC	13F	Company	0.03%	15,237	$394,000	—	31 Mar 2019	13F
Alambic Investment Management, L.P.	13F	Company	0.03%	13,665	$353,000	—	31 Mar 2019	13F
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM	13F	Company	0.03%	13,327	$344,000	—	31 Mar 2019	13F
S.c.a. Candriam	13F	Individual	0.03%	12,000	$310,000	—	31 Mar 2019	13F
BRANDYWINE MANAGERS, LLC	13F	Company	0.03%	11,857	$306,000	—	31 Mar 2019	13F
ALLIANCEBERNSTEIN L.P.	13F	Company	0.03%	11,800	$305,000	—	31 Mar 2019	13F
BOSTON FINANCIAL MANGEMENT LLC	13F	Company	0.02%	10,900	$282,000	—	31 Mar 2019	13F
TIAA CREF INVESTMENT MANAGEMENT LLC	13F	Company	0.02%	10,743	$277,000	—	31 Mar 2019	13F
TEACHERS ADVISORS, LLC	13F	Company	0.02%	10,364	$268,000	—	31 Mar 2019	13F
PNC FINANCIAL SERVICES GROUP, INC.	13F	Company	0.02%	10,000	$258,000	—	31 Mar 2019	13F
TWIN FOCUS CAPITAL PARTNERS, LLC	13F	Company	0.02%	10,000	$258,000	—	31 Mar 2019	13F
RHUMBLINE ADVISERS	13F	Company	0.02%	9,844	$254,000	—	31 Mar 2019	13F
DEUTSCHE BANK AG\	13F	Company	0.02%	9,400	$242,000	—	31 Mar 2019	13F
CITADEL ADVISORS LLC	13F	Company	0.02%	8,575	$222,000	—	31 Mar 2019	13F
ProShare Advisors LLC	13F	Company	0.02%	8,469	$219,000	—	31 Mar 2019	13F
NEW YORK STATE COMMON RETIREMENT FUND	13F	Company	0.01%	6,500	$168,000	—	31 Mar 2019	13F

Institutional Holders of Quanterix Corp - Common Stock, $0.001 par value per share (QTRX) as of Q2 2019

As of 30 Jun 2019, Quanterix Corp - Common Stock, $0.001 par value per share (QTRX) was held by 86 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 13,456,355 shares. The largest 10 holders included GILDER GAGNON HOWE & CO LLC, BAIN CAPITAL VENTURE INVESTORS, LLC, PRICE T ROWE ASSOCIATES INC /MD/, BlackRock Inc., FMR LLC, ROYCE & ASSOCIATES LP, AMERIPRISE FINANCIAL INC, VANGUARD GROUP INC, Bellevue Group AG, and ASHFORD CAPITAL MANAGEMENT INC. This page lists 86 institutional shareholders reporting positions in this security for the Q2 2019 filing period.

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

Compare Q2 2019 vs Q1 2019 Across Filers

Q1 2019 holders

Q2 2019 holders

Holder diff

Investor	Q1 2019 Shares	Q2 2019 Shares	Share Diff	Share Chg %	Q1 2019 Value $	Q2 2019 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.