MassMutual Private Wealth & Trust, FSB QTRX β€” Quanterix Corp

Ownership history in MassMutual Private Wealth & Trust, FSB  Β·  12 quarters on record

AI Ownership Summary

MassMutual Private Wealth & Trust, FSB reported Quanterix Corp (QTRX) in 12 quarterly 13F filings from 2024 Q1 through 2026 Q2. The latest visible filing shows QTRX at 0.00% of the fund.

This page tracks quarterly shares, estimated market value, portfolio weight, filing dates, and disclosure-aligned stock prices directly from SEC EDGAR 13F filings. Older history is available after unlock; the visible window still shows the most recent pattern.

What this QTRX ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was MassMutual Private Wealth & Trust, FSB's position in Quanterix Corp, and how did that conviction change over time? You can read the holding window, peak weight, latest reported size, disclosure timing, and quarter-by-quarter changes without piecing the story together from raw SEC rows.

Freshest filing
Latest Reported Filing
2026 Q2

QTRX was reported at 0.00% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.0% in 2026 Q2

Peak weight helps separate a token disclosure from a real conviction holding the fund genuinely cared about.

Time in book
Holding Window
2024 Q1 to 2026 Q2

Longer holding windows often tell a very different story from short-lived tactical trades or one-quarter experiments.

Decision context
Why It Matters
Position size beats headlines

Knowing that a fund owned a stock is useful. Knowing whether it was a 0.20% placeholder or a true high-conviction position is where the signal actually starts.

How MassMutual Private Wealth & Trust, FSB held QTRX β€” position size vs. price
% of Fund (quarterly)    QTRX price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
πŸ“‹ Quarterly Holdings History 6 quarters  β–Ύ
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q2 ADDED β€” β€” β€” 600 +558 +1328.6% 0.00% $3K 2026-07-02 $4.33
2025 Q1 UNCHANGED β€” β€” β€” 42 β€” 0% 0.00% $273 2025-04-01 $6.66
2024 Q4 UNCHANGED β€” β€” β€” 42 β€” 0% 0.00% $446 2025-01-16 $8.82
2024 Q3 UNCHANGED β€” β€” β€” 42 β€” 0% 0.00% $544 2024-10-02 $12.50
2024 Q2 UNCHANGED β€” β€” β€” 42 β€” 0% 0.00% $555 2024-07-02 $12.72
2024 Q1 UNCHANGED β€” β€” β€” 42 β€” 0% 0.00% $990 2024-04-09 $21.71
6 older quarters hidden  β€”  Sign in free or upgrade to Premium to see full history

🏒 Other funds also holding QTRX

As of 2026 Q2 β€” sorted by position size

Post Resch Tallon Group Inc. 0.04% GAMMA Investing LLC 0.0%

FAQ About MassMutual Private Wealth & Trust, FSB and QTRX

These are the practical questions this page is built to answer before you even open the full history table.

How long has MassMutual Private Wealth & Trust, FSB reported owning QTRX?

MassMutual Private Wealth & Trust, FSB reported QTRX across 6 quarterly 13F filings, from 2024 Q1 through 2026 Q2.

What was the largest reported QTRX position in MassMutual Private Wealth & Trust, FSB's portfolio?

The largest reported portfolio weight for QTRX was 0.00% in 2026 Q2.

What is the latest reported QTRX position on this page?

The most recent filing on this page is 2026 Q2, when MassMutual Private Wealth & Trust, FSB reported 600 shares, equal to 0.00% of portfolio, with an estimated market value of $3K.

What does the chart on this QTRX ownership page compare?

The chart compares MassMutual Private Wealth & Trust, FSB's quarterly QTRX portfolio weight with the stock's indexed share price, so you can see whether the fund was building, trimming, or holding the position as price moved.

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