AlphaQuest LLC ATRC — ATRICURE INC

Ownership history in AlphaQuest LLC  ·  10 quarters on record

AI Ownership Summary

AlphaQuest LLC reported ATRICURE INC (ATRC) in 10 quarterly 13F filings from 2023 Q4 through 2026 Q1. Peak portfolio weight reached 0.06% in 2025 Q1. The latest visible filing shows ATRC at 0.02% 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.

What this ATRC ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was AlphaQuest LLC's position in ATRICURE INC, 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

ATRC was reported at 0.02% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.06% in 2025 Q1

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

Time in book
Holding Window
2023 Q4 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.

ATRC stock page AlphaQuest LLC fund profile AlphaQuest LLC full holdings
How AlphaQuest LLC held ATRC — position size vs. price
% of Fund (quarterly)    ATRC price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 10 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q1 UNCHANGED — — — 8,874 — 0% 0.02% $351K 2026-04-30 $28.11
2025 Q4 ADDED — — — 8,874 +7,861 +776.0% 0.02% $351K 2026-02-09 $36.92
2025 Q3 REDUCED 92.6% +14.7% ❌ 1,013 -12,732 -92.6% 0.00% $36K 2025-11-03 $34.03
2025 Q2 REDUCED 23.7% +6.4% ❌ 13,745 -4,266 -23.7% 0.04% $450K 2025-07-31 $35.10
2025 Q1 ADDED — — — 18,011 +12,949 +255.8% 0.06% $581K 2025-05-14 $32.25
2024 Q4 ADDED — — — 5,062 +4,532 +855.1% 0.02% $155K 2025-02-07 $41.00
2024 Q3 REDUCED 91.0% +7.9% ❌ 530 -5,338 -91.0% 0.00% $15K 2024-11-07 $37.36
2024 Q2 ADDED — — — 5,868 +1,626 +38.3% 0.02% $134K 2024-08-06 $21.56
2024 Q1 ADDED — — — 4,242 +1,348 +46.6% 0.02% $129K 2024-05-09 $22.00
2023 Q4 INITIATED — — — 2,894 — — 0.02% $103K 2024-02-09 $32.92

🏢 Other funds also holding ATRC

As of 2026 Q1 — sorted by position size

PERKINS CAPITAL MANAGEMENT INC 3Y 7Y 0.7% Oak Harvest Investment Services 3Y 0.13% NICHOLAS COMPANY, INC. 3Y 7Y 0.11% HARBOR CAPITAL ADVISORS, INC. 3Y 0.1% Marks Group Wealth Management, Inc 3Y 0.08% Advisors Capital Management, LLC 3Y 7Y 0.06% WASATCH ADVISORS LP 3Y 7Y 0.05% First Bank & Trust 3Y 7Y 0.04% Diversified Trust Co 3Y 7Y 0.02% TEACHERS RETIREMENT SYSTEM OF THE STATE OF KENTUCKY 3Y 0.01%

FAQ About AlphaQuest LLC and ATRC

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

How long has AlphaQuest LLC reported owning ATRC?

AlphaQuest LLC reported ATRC across 10 quarterly 13F filings, from 2023 Q4 through 2026 Q1.

What was the largest reported ATRC position in AlphaQuest LLC's portfolio?

The largest reported portfolio weight for ATRC was 0.06% in 2025 Q1.

What is the latest reported ATRC position on this page?

The most recent filing on this page is 2026 Q1, when AlphaQuest LLC reported 8,874 shares, equal to 0.02% of portfolio, with an estimated market value of $351K.

What does the chart on this ATRC ownership page compare?

The chart compares AlphaQuest LLC's quarterly ATRC 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 AlphaQuest LLC time their ATRC position?

Based on 13F filing dates vs. subsequent ATRC price moves, AlphaQuest LLC correctly timed 3 out of 9 reported position changes (33%). The annualised alpha on ATRC relative to SPY over the holding period was -21.8%.

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