ProShare Advisors LLC LAB FLUIDIGM CORP DEL COM

Ownership history in ProShare Advisors LLC  ·  20 quarters on record

AI Ownership Summary

ProShare Advisors LLC reported FLUIDIGM CORP DEL COM (LAB) in 20 quarterly 13F filings from 2024 Q3 through 2026 Q1. The latest visible filing shows LAB 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 LAB ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was ProShare Advisors LLC's position in FLUIDIGM CORP DEL COM, 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 Q1

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

High-water mark
Peak Conviction
0.0% in 2024 Q4

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

Time in book
Holding Window
2024 Q3 to 2026 Q1

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 ProShare Advisors LLC held LAB — position size vs. price
% of Fund (quarterly)    LAB price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 7 quarters  
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q1 REDUCED 41,674 -13,034 -23.8% 0.00% $38K 2026-04-27 $0.90
2025 Q4 ADDED 54,708 +3,525 +6.9% 0.00% $70K 2026-02-06 $1.26
2025 Q3 REDUCED 16.6% -1.5% 51,183 -10,197 -16.6% 0.00% $67K 2025-11-06 $1.12
2025 Q2 REDUCED 61,380 -2,479 -3.9% 0.00% $74K 2025-08-07 $1.29
2025 Q1 REDUCED 23.1% +11.1% 63,859 -19,215 -23.1% 0.00% $69K 2025-05-08 $1.12
2024 Q4 ADDED 83,074 +27,334 +49.0% 0.00% $145K 2025-02-14 $1.41
2024 Q3 ADDED 55,740 +41,457 +290.3% 0.00% $108K 2024-11-14 $1.70
13 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

FAQ About ProShare Advisors LLC and LAB

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

How long has ProShare Advisors LLC reported owning LAB?

ProShare Advisors LLC reported LAB across 7 quarterly 13F filings, from 2024 Q3 through 2026 Q1.

What was the largest reported LAB position in ProShare Advisors LLC's portfolio?

The largest reported portfolio weight for LAB was 0.00% in 2024 Q4.

What is the latest reported LAB position on this page?

The most recent filing on this page is 2026 Q1, when ProShare Advisors LLC reported 41,674 shares, equal to 0.00% of portfolio, with an estimated market value of $38K.

What does the chart on this LAB ownership page compare?

The chart compares ProShare Advisors LLC's quarterly LAB 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.

How well did ProShare Advisors LLC time their LAB position?

Based on 13F filing dates vs. subsequent LAB price moves, ProShare Advisors LLC correctly timed 9 out of 19 reported position changes (47%). The annualised alpha on LAB relative to SPY over the holding period was -32.6%.

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