Quanterix Ownership | Who Owns Quanterix?

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Quanterix Ownership Summary

Quanterix is owned by 86.66% institutional investors, 6.55% insiders, and 6.79% retail investors. Alliancebernstein is the largest institutional shareholder, holding 8.96% of QTRX shares. AB Small Cap Growth A is the top mutual fund, with 4.64% of its assets in Quanterix shares.

QTRX Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Quanterix	86.66%	6.55%	6.79%
Sector	Healthcare Stocks	49.73%	8.84%	41.43%
Industry	Medical Device Stocks	53.39%	8.20%	38.41%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Alliancebernstein	3.41M	8.96%	$45.11M
Blackrock	3.14M	8.23%	$41.45M
Vanguard group	2.04M	5.36%	$27.00M
Portolan capital management	1.92M	5.03%	$25.34M
Ameriprise financial	1.31M	3.43%	$17.29M
Granahan investment management	1.13M	2.96%	$14.92M
Gilder gagnon howe	932.80K	2.45%	$12.32M
Dimensional fund advisors lp	907.49K	2.38%	$11.99M
Geode capital management	840.44K	2.20%	$11.10M
Millennium management	834.85K	2.19%	$11.03M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Blue water life science advisors, lp	278.39K	3.58%	$3.68M
Pura vida investments	409.33K	3.42%	$5.41M
Tikvah management	571.62K	2.46%	$7.55M
Portolan capital management	1.92M	2.09%	$25.34M
Ashford capital management	771.30K	1.38%	$10.19M
Bridger management	154.90K	1.05%	$2.05M
Pier capital	414.54K	0.81%	$5.48M
Easterly investment partners	692.75K	0.80%	$9.15M
Exome asset management	59.65K	0.70%	$787.98K
Granahan investment management	1.13M	0.60%	$14.92M

Top Buyers

Holder	Shares	% Assets	Change
Alliancebernstein	3.41M	0.02%	883.27K
Portolan capital management	1.92M	2.09%	755.20K
Easterly investment partners	692.75K	0.80%	614.01K
Ameriprise financial	1.31M	0.00%	484.51K
Granahan investment management	1.13M	0.60%	457.71K

Top Sellers

Holder	Shares	% Assets	Change
Lord, abbett	-	-	-1.76M
Millennium management	834.85K	0.01%	-1.43M
Boone capital management	-	-	-330.15K
Assenagon asset management	-	-	-256.57K
Gilder gagnon howe	932.80K	0.15%	-241.12K

New Positions

Holder	Shares	% Assets	Change	Value
Bulltick wealth management	59.50K	0.19%	59.50K	$786.00K
Corebridge financial	19.33K	0.00%	19.33K	$255.35K
Mirae asset global etfs	17.90K	0.00%	17.90K	$236.42K
Verition fund management	17.76K	0.00%	17.76K	$234.62K
Canada pension plan investment board	10.60K	0.00%	10.60K	$140.03K

Sold Out

Holder	Change
Innealta capital	-26.00
Allworth financial lp	-27.00
Pnc financial services group	-37.00
Bell investment advisors	-54.00
Hanseatic management services	-203.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Sep 30, 2024	149	-4.49%	33,225,425	2.54%	86	1.20%	67	-14.10%	52	8.33%
Jun 30, 2024	155	-6.63%	32,401,996	0.36%	84	1.17%	78	-1.27%	47	-16.07%
Mar 31, 2024	166	-6.21%	32,285,203	2.15%	85	1.21%	79	-8.14%	56	-3.45%
Dec 31, 2023	177	7.27%	31,606,543	-2.34%	83	1.13%	86	-	58	16.00%
Sep 30, 2023	165	16.20%	32,365,335	-0.52%	86	1.14%	86	32.31%	50	6.38%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
AB Small Cap Growth A	1.78M	4.64%	-63.33K
Strategic Advisers U.S. Total Stock{mg}	1.45M	3.79%	91.44K
Strategic Advisers Small-Mid Cap	1.30M	3.39%	283.56K
Vanguard Total Stock Mkt Idx Inv	1.15M	2.99%	-
iShares Russell 2000 ETF	926.53K	2.41%	-2.09K
CT American Smaller Coms(US) InstAccGBP	773.15K	2.01%	23.63K
CT (Lux) American Smaller Com 9U USD	730.39K	1.90%	31.08K
Principal SmallCap Growth I Instl	551.83K	1.44%	-11.88K
Vanguard Institutional Extnd Mkt Idx Tr	549.25K	1.43%	-1.84K
EIP All Cap Value	507.94K	1.32%	368.33K

Recent Insider Transactions

Date	Name	Role	Activity	Value
Aug 20, 2024	WALT DAVID R	-	Buy	$624.63K
Aug 13, 2024	Toloue Masoud	President & CEO	Buy	$207.10K
May 14, 2024	OLSON LAURIE J	-	Sell	$25.47K
Apr 01, 2024	OLSON LAURIE J	-	Sell	$23.50K
Feb 14, 2024	OLSON LAURIE J	-	Sell	$36.52K

Insider Transactions Trends

Date	Buy	Sell
2024 Q4	-	-
2024 Q3	2	-
2024 Q2	-	2
2024 Q1	-	2
2023 Q4	-	-

QTRX Ownership FAQ

Who Owns Quanterix?

Quanterix shareholders are primarily institutional investors at 86.66%, followed by 6.55% insiders and 6.79% retail investors. The average institutional ownership in Quanterix's industry, Medical Device Stocks, is 53.39%, which Quanterix exceeds.

Who owns the most shares of Quanterix?

Quanterix’s largest shareholders are Alliancebernstein (3.41M shares, 8.96%), Blackrock (3.14M shares, 8.23%), and Vanguard group (2.04M shares, 5.36%). Together, they hold 22.55% of Quanterix’s total shares outstanding.

Does Blackrock own Quanterix?

Yes, BlackRock owns 8.23% of Quanterix, totaling 3.14M shares as of Jun 2024. This represents 0.00% of BlackRock's total assets, with a market value of 41.45M$. In the last quarter, BlackRock increased its holdings by 14.95K shares, a 0.48% change.

Who is Quanterix’s biggest shareholder by percentage of total assets invested?

Blue water life science advisors, lp is Quanterix’s biggest shareholder by percentage of total assets invested, with 3.58% of its assets in 278.39K Quanterix shares, valued at 3.68M$.

Who is the top mutual fund holder of Quanterix shares?

AB Small Cap Growth A is the top mutual fund holder of Quanterix shares, with 4.64% of its total shares outstanding invested in 1.78M Quanterix shares.

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