CenterStar Asset Management, LLC SPY — SPDR TR

Ownership history in CenterStar Asset Management, LLC  ·  90 quarters on record

AI Ownership Summary

CenterStar Asset Management, LLC reported SPDR TR (SPY) in 90 quarterly 13F filings from 2023 Q4 through 2025 Q4. Peak portfolio weight reached 16.66% in 2025 Q2. The latest visible filing shows SPY at 0.40% 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 SPY ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was CenterStar Asset Management, LLC's position in SPDR TR, 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 Q4

SPY was reported at 0.40% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
16.66% 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 Q4

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.

SPY stock page CenterStar Asset Management, LLC fund profile CenterStar Asset Management, LLC full holdings
How CenterStar Asset Management, LLC held SPY — position size vs. price
% of Fund (quarterly)    SPY price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 21 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2025 Q4 REDUCED 67.8% -4.4% ✅ 13,900 -29,267 -67.8% 0.40% $1.4M 2026-02-14 (Est.) $679.89
2025 Q4 ADDED — — — 43,167 +23,767 +122.5% 8.28% $29.4M 2026-02-14 (Est.) $679.89
2025 Q3 REDUCED 40.1% +3.6% ❌ 19,400 -13,011 -40.1% 0.46% $2.1M 2025-10-20 $667.50
2025 Q3 ADDED — — — 32,411 +19,611 +153.2% 4.62% $21.6M 2025-10-20 $667.50
2025 Q2 REDUCED 88.7% +7.7% ❌ 12,800 -100,412 -88.7% 0.18% $760K 2025-07-21 $623.48
2025 Q2 ADDED — — — 113,212 +98,012 +644.8% 16.66% $70.0M 2025-07-21 $623.48
2025 Q1 REDUCED 15.6% +10.8% ❌ 15,200 -2,800 -15.6% 0.21% $864K 2025-04-09 $542.40
2025 Q1 REDUCED 22.6% +10.8% ❌ 18,000 -5,261 -22.6% 0.23% $953K 2025-04-09 $542.40
2025 Q1 ADDED — — — 23,261 +9,761 +72.3% 3.10% $13.0M 2025-04-09 $542.40
2024 Q4 ADDED — — — 13,500 +6,700 +98.5% 0.49% $1.4M 2025-01-27 $590.80
2024 Q4 REDUCED 71.3% -4.3% ✅ 6,800 -16,918 -71.3% 0.13% $377K 2025-01-27 $590.80
2024 Q4 REDUCED 9.8% -4.3% ✅ 23,718 -2,582 -9.8% 4.81% $13.9M 2025-01-27 $590.80
2024 Q3 ADDED — — — 26,300 +13,800 +110.4% 0.57% $2.8M 2024-10-11 $569.38
2024 Q3 REDUCED 83.4% +2.9% ❌ 12,500 -62,852 -83.4% 0.25% $1.2M 2024-10-11 $569.38
2024 Q3 ADDED — — — 75,352 +55,852 +286.4% 8.65% $43.3M 2024-10-11 $569.38
2024 Q2 REDUCED 8.0% +5.8% ❌ 19,500 -1,700 -8.0% 0.27% $957K 2024-07-16 $553.22
2024 Q2 REDUCED 60.2% +5.8% ❌ 21,200 -32,052 -60.2% 0.55% $2.0M 2024-07-16 $553.22
2024 Q2 ADDED — — — 53,252 +23,735 +80.4% 8.09% $29.0M 2024-07-16 $553.22
2024 Q1 ADDED — — — 29,517 +11,517 +64.0% 4.76% $15.5M 2024-04-18 $487.65
2023 Q4 REDUCED 87.2% +10.2% ❌ 18,000 -122,103 -87.2% 0.12% $828K 2024-02-07 $484.76
2023 Q4 ADDED — — — 140,103 +135,403 +2880.9% 9.42% $66.6M 2024-02-07 $484.76
69 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

🏢 Other funds also holding SPY

As of 2026 Q1 — sorted by position size

BENJAMIN JOSEPH FLOYD DBA FLOYD CAPITAL MANAGEMENT 100.0% RAMSEY QUANTITATIVE SYSTEMS 3Y 7Y 92.45% Greenfield FTC, Inc. 3Y 86.17% Trust Asset Management LLC 3Y 7Y 56.09% Shulman DeMeo Asset Management LLC 3Y 7Y 51.75% PEAVINE CAPITAL, LLC 3Y 7Y 41.35% Fortitude Financial, LLC 38.84% Greenhouse Wealth Management, LLC 3Y 35.33% SJBENEN ADVISORY, LLC 34.0% Div Capital Phoenix Assets Ltd 33.09%

FAQ About CenterStar Asset Management, LLC and SPY

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

How long has CenterStar Asset Management, LLC reported owning SPY?

CenterStar Asset Management, LLC reported SPY across 21 quarterly 13F filings, from 2023 Q4 through 2025 Q4.

What was the largest reported SPY position in CenterStar Asset Management, LLC's portfolio?

The largest reported portfolio weight for SPY was 16.66% in 2025 Q2.

What is the latest reported SPY position on this page?

The most recent filing on this page is 2025 Q4, when CenterStar Asset Management, LLC reported 13,900 shares, equal to 0.40% of portfolio, with an estimated market value of $1.4M.

What does the chart on this SPY ownership page compare?

The chart compares CenterStar Asset Management, LLC's quarterly SPY 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 CenterStar Asset Management, LLC time their SPY position?

Based on 13F filing dates vs. subsequent SPY price moves, CenterStar Asset Management, LLC correctly timed 36 out of 89 reported position changes (40%). The annualised alpha on SPY relative to SPY over the holding period was +0.0%.

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