Security key
74766Q101
Quanterix Corp - Common Stock, $0.001 par value per share (QTRX)
CUSIP: 74766Q101
Q4 2025 13F Holders as of 31 Dec 2025
- Type / Class
- Equity / Common Stock, $0.001 par value per share
- Shares outstanding
- 47,133,168
- Total 13F shares
- 35,108,662
- Share change
- +738,795
- Total reported value
- $223,245,522
- Put/Call ratio
- 0%
- Price per share
- $6.36
- Number of holders
- 132
- Value change
- +$4,778,341
- Number of buys
- 62
- Number of sells
- 56
Report period
Q4 2025
Institutions
132
Top holders
10
QTRX full security history
Newer quarter: Q1 2026
Previous quarter: Q3 2025
Quanterix Corp SEC filings
Quanterix Corp company facts
Quanterix Corp 13D/G history
Broader feeds
Reporting periods
Holder history for CUSIP 74766Q101
Recent filing periods:
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 first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings 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, Inc. |
13D/G
13F
|
Company |
7.3%
|
2,843,760
|
$18,911,004 | $0 | 30 Jun 2025 | |
| Telegraph Hill Partners III, L.P. |
13D/G
|
— |
5.4%
|
2,504,648
|
$12,523,240 | $0 | 30 Sep 2025 | |
| Kent Lake PR LLC |
13D/G
13F
|
Company |
4.5%
|
2,089,500
|
$13,894,548 | -$3,694,480 | 11 Jul 2025 | |
| ALLIANCEBERNSTEIN L.P. |
13F
13D/G
|
Company |
0.1%
from 13D/G
|
44,480
|
$241,526 | — | 30 Sep 2025 | |
| Portolan Capital Management, LLC |
13F
|
Company |
9%
|
4,259,851
|
$23,130,991 | — | 30 Sep 2025 | |
| AMERIPRISE FINANCIAL INC |
13F
|
Company |
9%
|
4,243,512
|
$23,042,271 | — | 30 Sep 2025 | |
| VANGUARD GROUP INC |
13F
|
Company |
5.6%
|
2,647,515
|
$14,376,007 | — | 30 Sep 2025 | |
| Invenomic Capital Management LP |
13F
|
Company |
3%
|
1,393,005
|
$7,564,017 | — | 30 Sep 2025 | |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC |
13F
|
Company |
2.8%
|
1,315,280
|
$7,141,970 | — | 30 Sep 2025 | |
| EASTERLY INVESTMENT PARTNERS LLC |
13F
|
Company |
2.7%
|
1,252,184
|
$6,799,359 | — | 30 Sep 2025 | |
| MILLENNIUM MANAGEMENT LLC |
13F
|
Company |
2.6%
|
1,209,199
|
$6,565,951 | — | 30 Sep 2025 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
2.1%
|
1,011,890
|
$5,495,644 | — | 30 Sep 2025 | |
| Blue Water Life Science Advisors, LP |
13F
|
Company |
2%
|
957,747
|
$5,200,566 | — | 30 Sep 2025 | |
| STATE STREET CORP |
13F
|
Company |
1.7%
|
819,534
|
$4,450,070 | — | 30 Sep 2025 | |
| MORGAN STANLEY |
13F
|
Company |
1.7%
|
806,263
|
$4,378,008 | — | 30 Sep 2025 | |
| DIMENSIONAL FUND ADVISORS LP |
13F
|
Company |
1.5%
|
707,071
|
$3,838,842 | — | 30 Sep 2025 | |
| Trium Capital LLP |
13F
|
Company |
1.5%
|
688,597
|
$3,739,082 | — | 30 Sep 2025 | |
| Williams Jones Wealth Management, LLC. |
13F
|
Company |
1.5%
|
686,464
|
$3,727,500 | — | 30 Sep 2025 | |
| MARSHALL WACE, LLP |
13F
|
Company |
1.3%
|
608,708
|
$3,305,284 | — | 30 Sep 2025 | |
| Tikvah Management LLC |
13F
|
Company |
1.2%
|
571,619
|
$3,103,891 | — | 30 Sep 2025 | |
| Aberdeen Group plc |
13F
|
Company |
1.2%
|
564,581
|
$3,065,675 | — | 30 Sep 2025 | |
| ENVESTNET ASSET MANAGEMENT INC |
13F
|
Company |
1.1%
|
515,861
|
$2,801,125 | — | 30 Sep 2025 | |
| Empire Financial Management Company, LLC |
13F
|
Company |
0.96%
|
452,430
|
$2,456,694 | — | 30 Sep 2025 | |
| Russell Investments Group, Ltd. |
13F
|
Company |
0.92%
|
434,060
|
$2,356,945 | — | 30 Sep 2025 | |
| UBS Group AG |
13F
|
Company |
0.79%
|
373,600
|
$2,028,648 | — | 30 Sep 2025 | |
| NORTHERN TRUST CORP |
13F
|
Company |
0.75%
|
353,658
|
$1,920,363 | — | 30 Sep 2025 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
|
Company |
0.7%
|
331,246
|
$1,798,666 | — | 30 Sep 2025 | |
| Cubist Systematic Strategies, LLC |
13F
|
Company |
0.67%
|
314,418
|
$1,707,290 | — | 30 Sep 2025 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
0.59%
|
278,075
|
$1,509,947 | — | 30 Sep 2025 | |
| Parkman Healthcare Partners LLC |
13F
|
Company |
0.54%
|
252,211
|
$1,369,506 | — | 30 Sep 2025 | |
| TWO SIGMA INVESTMENTS, LP |
13F
|
Company |
0.53%
|
250,074
|
$1,357,902 | — | 30 Sep 2025 | |
| ROYAL BANK OF CANADA |
13F
|
Company |
0.53%
|
247,678
|
$1,345,000 | — | 30 Sep 2025 | |
| JPMORGAN CHASE & CO |
13F
|
Company |
0.48%
|
227,771
|
$1,236,797 | — | 30 Sep 2025 | |
| CITIGROUP INC |
13F
|
Company |
0.46%
|
218,578
|
$1,186,879 | — | 30 Sep 2025 | |
| STATE OF WISCONSIN INVESTMENT BOARD |
13F
|
Company |
0.42%
|
195,759
|
$1,062,971 | — | 30 Sep 2025 | |
| IRONWOOD INVESTMENT MANAGEMENT LLC |
13F
|
Company |
0.41%
|
194,074
|
$1,053,822 | — | 30 Sep 2025 | |
| AQR CAPITAL MANAGEMENT LLC |
13F
|
Company |
0.34%
|
157,975
|
$857,805 | — | 30 Sep 2025 | |
| BNP PARIBAS FINANCIAL MARKETS |
13F
|
Company |
0.32%
|
150,327
|
$816,276 | — | 30 Sep 2025 | |
| JANE STREET GROUP, LLC |
13F
|
Company |
0.32%
|
149,779
|
$813,300 | — | 30 Sep 2025 | |
| WELLS FARGO & COMPANY/MN |
13F
|
Company |
0.31%
|
144,318
|
$783,647 | — | 30 Sep 2025 | |
| TWO SIGMA ADVISERS, LP |
13F
|
Company |
0.3%
|
142,190
|
$772,092 | — | 30 Sep 2025 | |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP |
13F
|
Company |
0.3%
|
141,969
|
$770,892 | — | 30 Sep 2025 | |
| Schonfeld Strategic Advisors LLC |
13F
|
Company |
0.29%
|
136,575
|
$741,600 | — | 30 Sep 2025 | |
| SCS Capital Management LLC |
13F
|
Company |
0.25%
|
120,035
|
$651,790 | — | 30 Sep 2025 | |
| Jump Financial, LLC |
13F
|
Company |
0.25%
|
118,352
|
$642,651 | — | 30 Sep 2025 | |
| Bank of New York Mellon Corp |
13F
|
Company |
0.25%
|
117,538
|
$638,231 | — | 30 Sep 2025 | |
| FMR LLC |
13F
|
Company |
0.25%
|
117,133
|
$636,034 | — | 30 Sep 2025 | |
| PARAGON ASSOCIATES & PARAGON ASSOCIATES II JOINT VENTURE |
13F
|
Company |
0.21%
|
100,671
|
$546,644 | — | 30 Sep 2025 | |
| Invesco Ltd. |
13F
|
Company |
0.21%
|
98,692
|
$535,898 | — | 30 Sep 2025 | |
| Susquehanna Portfolio Strategies, LLC |
13F
|
Company |
0.21%
|
97,669
|
$530,343 | — | 30 Sep 2025 |
Institutional Holders of Quanterix Corp - Common Stock, $0.001 par value per share (QTRX) as of Q4 2025
As of 31 Dec 2025,
Quanterix Corp - Common Stock, $0.001 par value per share (QTRX) was held by
132 institutional
shareholders
that filed Form 13F with the SEC.
Together, they reported ownership of
35,108,662 shares.
The largest 10 holders included
AMERIPRISE FINANCIAL INC, Portolan Capital Management, LLC, BlackRock, Inc., VANGUARD GROUP INC, Blue Water Life Science Advisors, LP, WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC, Invenomic Capital Management LP, GEODE CAPITAL MANAGEMENT, LLC, STATE STREET CORP, and MORGAN STANLEY.
This page lists
132
institutional shareholders reporting positions in this security
for the Q4 2025 filing period.
| Investor | Option | Weight % | Change % | Value $ | * Price | Shares | Share Change | Activity | Report Period |
|---|
Compare Q4 2025 vs Q3 2025 Across Filers
Q3 2025 holders
127
Q4 2025 holders
132
Holder diff
5
| Investor | Q3 2025 Shares | Q4 2025 Shares | Share Diff | Share Chg % | Q3 2025 Value $ | Q4 2025 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.
An asterisk sign (*) next to the price indicates that the price is likely invalid.