Vanguard Personalized Indexing Management
QTRX icon

Vanguard Personalized Indexing Management’s Quanterix QTRX Stock Holding History

Vanguard Personalized Indexing Management’s Portfolio QTRX Stock Details QTRX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$57.2K Buy
+13,239
New +$42.9K ﹤0.01% 2123
2026
Q1 		– Sell
-13,172
Closed -$83.8K – 2224
2025
Q4 		$83.8K Buy
13,172
+164
+1% +$1.02K ﹤0.01% 1830
2025
Q3 		$70.6K Sell
13,008
-2,016
-13% -$10.7K ﹤0.01% 1865
2025
Q2 		$99.9K Buy
15,024
+4,330
+40% +$24.1K ﹤0.01% 1739
2025
Q1 		$69.6K Buy
+10,694
New +$89.2K ﹤0.01% 1654

Other funds holding QTRX

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
BWLSA
Blue Water Life Science Advisors Larkspur, California $159M AUM 139.66% 1-Year Est. Return
First Eagle Investment Management
First Eagle Investment Management New York $60.8B AUM 26.63% 1-Year Est. Return
PCM
Portolan Capital Management Boston, Massachusetts $2.67B AUM 169.09% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
LCM
Lionhunter Capital Management New York $222M AUM
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Ameriprise
Ameriprise Minneapolis, Minnesota $495B AUM 43.24% 1-Year Est. Return
Marshall Wace
Marshall Wace London, United Kingdom $127B AUM 46.06% 1-Year Est. Return

Vanguard Personalized Indexing Management's QTRX Position: Q2 2026 in Review

Vanguard Personalized Indexing Management opened a new position in Quanterix (QTRX) in Q2 2026: 13,239 shares worth $57.2K. The stake represents ﹤0.01% of the portfolio and ranks #2123 among its holdings. This is a return to the name: Vanguard Personalized Indexing Management previously reported a position in QTRX as recently as Q4 2025.

Vanguard Personalized Indexing Management first reported a position in QTRX in Q1 2025 and has held it in 5 quarters since. The position peaked at $99.9K in Q2 2025. 133 funds tracked by Wall St. Rank hold QTRX as of Q2 2026.

  • Vanguard Personalized Indexing Management held 13,239 shares of Quanterix worth $57.2K as of Q2 2026.
  • Quanterix was a new Vanguard Personalized Indexing Management position in Q2 2026.
  • Quanterix made up ﹤0.01% of Vanguard Personalized Indexing Management's portfolio in Q2 2026, its #2123 holding.
  • Vanguard Personalized Indexing Management first reported a position in Quanterix in Q1 2025 and has held it in 5 quarters since.
  • Vanguard Personalized Indexing Management's Quanterix position peaked at $99.9K in Q2 2025.
  • 133 funds tracked by Wall St. Rank held Quanterix as of Q2 2026.

Based on Vanguard Personalized Indexing Management's 13F filing for Q2 2026, filed 11 Aug 2026.