HAP Trading, LLC MSFT — MICROSOFT CORP COM

Ownership history in HAP Trading, LLC  ·  123 quarters on record

AI Ownership Summary

HAP Trading, LLC reported MICROSOFT CORP COM (MSFT) in 123 quarterly 13F filings from 2023 Q4 through 2025 Q2. Peak portfolio weight reached 0.82% in 2025 Q2. The latest visible filing shows MSFT 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. Older history is available after unlock; the visible window still shows the most recent pattern.

What this MSFT ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was HAP Trading, LLC's position in MICROSOFT CORP 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
2025 Q2

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

High-water mark
Peak Conviction
0.82% in 2025 Q2

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 2025 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.

MSFT stock page HAP Trading, LLC fund profile HAP Trading, LLC full holdings
How HAP Trading, LLC held MSFT — position size vs. price
% of Fund (quarterly)    MSFT price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 16 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2025 Q2 REDUCED 32.4% +3.6% ❌ 95,800 -46,000 -32.4% 0.02% $247K 2025-08-14 (Est.) $519.46
2025 Q2 ADDED — — — 141,800 +125,972 +795.9% 0.82% $8.6M 2025-08-14 (Est.) $519.46
2025 Q1 REDUCED 82.7% +32.8% ❌ 15,828 -75,672 -82.7% 0.64% $5.94B 2025-05-14 $449.50
2025 Q1 REDUCED 27.9% +32.8% ❌ 91,500 -35,400 -27.9% 0.15% $1.37B 2025-05-14 $449.50
2025 Q1 ADDED — — — 126,900 +47,800 +60.4% 0.18% $1.65B 2025-05-14 $449.50
2024 Q4 REDUCED 22.1% -10.8% ✅ 79,100 -22,400 -22.1% 0.08% $937.4M 2025-02-13 $406.61
2024 Q4 ADDED — — — 101,500 +31,900 +45.8% 0.21% $2.38B 2025-02-13 $406.61
2024 Q3 REDUCED 28.2% -1.1% ✅ 69,600 -27,400 -28.2% 0.04% $375.6M 2024-11-12 $418.14
2024 Q3 ADDED — — — 97,000 +82,466 +567.4% 0.29% $2.57B 2024-11-12 $418.14
2024 Q2 REDUCED 77.4% -3.5% ✅ 14,534 -49,866 -77.4% 0.77% $6.50B 2024-08-14 $411.30
2024 Q2 REDUCED 19.3% -3.5% ✅ 64,400 -15,400 -19.3% 0.04% $352.7M 2024-08-14 $411.30
2024 Q2 ADDED — — — 79,800 +900 +1.1% 0.37% $3.09B 2024-08-14 $411.30
2024 Q1 REDUCED — — — 78,900 -300 -0.4% 0.03% $285.3M 2024-05-13 $407.47
2024 Q1 ADDED — — — 79,200 +9,500 +13.6% 0.31% $2.72B 2024-05-13 $407.47
2023 Q4 ADDED — — — 69,700 +600 +0.9% 0.04% $260.5M 2024-02-14 $403.30
2023 Q4 REDUCED 6.0% +13.1% ❌ 69,100 -4,400 -6.0% 0.27% $1.68B 2024-02-14 $403.30
107 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

🏢 Other funds also holding MSFT

As of 2026 Q1 — sorted by position size

SANDER CAPITAL ADVISORS INC 3Y 7Y 43.08% TRB Advisors LP 3Y 7Y 31.72% DDD Partners, LLC 3Y 7Y 29.42% BELLEVUE ASSET MANAGEMENT, LLC 3Y 24.19% ARMSTRONG HENRY H ASSOCIATES INC 3Y 7Y 23.7% TenCore Partners, LP 3Y 22.68% Lakeside Advisors, INC. 3Y 20.91% Union Bancaire Privee, UBP SA 20.47% Ivory Union Consulting Ltd 19.17% Milestone Resources Group Ltd 3Y 7Y 19.04%

FAQ About HAP Trading, LLC and MSFT

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

How long has HAP Trading, LLC reported owning MSFT?

HAP Trading, LLC reported MSFT across 16 quarterly 13F filings, from 2023 Q4 through 2025 Q2.

What was the largest reported MSFT position in HAP Trading, LLC's portfolio?

The largest reported portfolio weight for MSFT was 0.82% in 2025 Q2.

What is the latest reported MSFT position on this page?

The most recent filing on this page is 2025 Q2, when HAP Trading, LLC reported 95,800 shares, equal to 0.02% of portfolio, with an estimated market value of $247K.

What does the chart on this MSFT ownership page compare?

The chart compares HAP Trading, LLC's quarterly MSFT 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 HAP Trading, LLC time their MSFT position?

Based on 13F filing dates vs. subsequent MSFT price moves, HAP Trading, LLC correctly timed 47 out of 122 reported position changes (39%). The annualised alpha on MSFT relative to SPY over the holding period was +11.6%.

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