HAP Trading, LLC ON — ON SEMICONDUCTOR CORP

Ownership history in HAP Trading, LLC  ·  62 quarters on record

AI Ownership Summary

HAP Trading, LLC reported ON SEMICONDUCTOR CORP (ON) in 62 quarterly 13F filings from 2023 Q4 through 2025 Q2. Peak portfolio weight reached 0.93% in 2023 Q4. The latest visible filing shows ON at 0.45% 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 ON 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 ON SEMICONDUCTOR 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
2025 Q2

ON was reported at 0.45% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.93% in 2023 Q4

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.

ON stock page HAP Trading, LLC fund profile HAP Trading, LLC full holdings
How HAP Trading, LLC held ON — position size vs. price
% of Fund (quarterly)    ON 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 67.1% -5.1% ✅ 89,946 -183,154 -67.1% 0.45% $4.7M 2025-08-14 (Est.) $51.62
2025 Q2 ADDED — — — 273,100 +235,000 +616.8% 0.24% $2.5M 2025-08-14 (Est.) $51.62
2025 Q2 REDUCED 50.8% -5.1% ✅ 38,100 -39,341 -50.8% 0.01% $134K 2025-08-14 (Est.) $51.62
2025 Q1 REDUCED 71.7% +28.8% ❌ 77,441 -196,559 -71.7% 0.34% $3.15B 2025-05-14 $45.20
2025 Q1 ADDED — — — 274,000 +2,500 +0.9% 0.14% $1.31B 2025-05-14 $45.20
2024 Q4 ADDED — — — 271,500 +230,577 +563.4% 0.40% $4.63B 2025-02-13 $50.92
2024 Q4 REDUCED 85.2% -35.5% ✅ 40,923 -235,877 -85.2% 0.22% $2.58B 2025-02-13 $50.92
2024 Q3 ADDED — — — 276,800 +219,200 +380.6% 0.73% $6.37B 2024-11-12 $70.23
2024 Q3 ADDED — — — 57,600 +3,657 +6.8% 0.04% $313.4M 2024-11-12 $70.23
2024 Q3 ADDED — — — 53,943 +18,927 +54.1% 0.45% $3.92B 2024-11-12 $70.23
2024 Q2 REDUCED 87.1% +5.9% ❌ 35,016 -237,284 -87.1% 0.29% $2.40B 2024-08-14 $71.08
2024 Q2 ADDED — — — 272,300 +1,000 +0.4% 0.69% $5.81B 2024-08-14 $71.08
2024 Q1 ADDED — — — 271,300 +240,545 +782.1% 0.82% $7.16B 2024-05-13 $72.33
2024 Q1 REDUCED 56.3% -5.9% ✅ 30,755 -39,699 -56.3% 0.26% $2.26B 2024-05-13 $72.33
2023 Q4 REDUCED 52.8% -11.6% ✅ 70,454 -78,846 -52.8% 0.93% $5.89B 2024-02-14 $81.67
2023 Q4 ADDED — — — 149,300 +134,000 +875.8% 0.78% $4.90B 2024-02-14 $81.67
46 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

🏢 Other funds also holding ON

As of 2026 Q1 — sorted by position size

Malaga Cove Capital, LLC 3Y 7Y 3.81% F&V Capital Management, LLC 3Y 7Y 3.61% Napean Trading & Investment Co (Singapore) PTE Ltd 3.39% Robeco Schweiz AG 3Y 7Y 2.57% VILLERE ST DENIS J & CO LLC 3Y 7Y 2.35% IRIDIAN ASSET MANAGEMENT LLC/CT 3Y 7Y 2.21% Graphene Investments SAS 3Y 1.99% Barnes Dennig Private Wealth Management LLC 1.86% CAMBIAR INVESTORS LLC 3Y 7Y 1.83% Carmel Capital Partners, LLC 3Y 1.49%

FAQ About HAP Trading, LLC and ON

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 ON?

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

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

The largest reported portfolio weight for ON was 0.93% in 2023 Q4.

What is the latest reported ON position on this page?

The most recent filing on this page is 2025 Q2, when HAP Trading, LLC reported 89,946 shares, equal to 0.45% of portfolio, with an estimated market value of $4.7M.

What does the chart on this ON ownership page compare?

The chart compares HAP Trading, LLC's quarterly ON 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 ON position?

Based on 13F filing dates vs. subsequent ON price moves, HAP Trading, LLC correctly timed 31 out of 61 reported position changes (51%). The annualised alpha on ON relative to SPY over the holding period was +3.7%.

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