ADVENT CAPITAL MANAGEMENT /DE/ SPY — SPDR Trust S&P 500 COM

Ownership history in ADVENT CAPITAL MANAGEMENT /DE/  ·  30 quarters on record

AI Ownership Summary

ADVENT CAPITAL MANAGEMENT /DE/ reported SPDR Trust S&P 500 COM (SPY) in 30 quarterly 13F filings from 2024 Q4 through 2026 Q1. Peak portfolio weight reached 11.78% in 2025 Q4. The latest visible filing shows SPY at 0.76% 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 ADVENT CAPITAL MANAGEMENT /DE/'s position in SPDR Trust S&P 500 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

SPY was reported at 0.76% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
11.78% in 2025 Q4

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

Time in book
Holding Window
2024 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.

SPY stock page ADVENT CAPITAL MANAGEMENT /DE/ fund profile ADVENT CAPITAL MANAGEMENT /DE/ full holdings
How ADVENT CAPITAL MANAGEMENT /DE/ 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 8 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q1 REDUCED — — — 42,500 -257,500 -85.8% 0.76% $27.6M 2026-05-07 $731.58
2026 Q1 REDUCED — — — 300,000 -560,000 -65.1% 5.38% $195.1M 2026-05-07 $731.58
2025 Q4 ADDED — — — 860,000 +702,000 +444.3% 11.78% $586.5M 2026-02-09 $692.06
2025 Q3 ADDED — — — 158,000 +40,500 +34.5% 2.29% $105.26B 2025-11-13 $668.24
2025 Q2 REDUCED 30.9% +7.7% ❌ 117,500 -52,500 -30.9% 1.55% $72.60B 2025-08-13 $639.47
2025 Q1 ADDED — — — 170,000 +45,000 +36.0% 2.09% $95.10B 2025-05-12 $576.38
2025 Q1 ADDED — — — 125,000 +118,000 +1685.7% 1.53% $69.92B 2025-05-12 $576.38
2024 Q4 REDUCED 72.0% -4.3% ✅ 7,000 -18,000 -72.0% 0.09% $4.10B 2025-02-13 $601.01
22 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

UCLA Foundation 100.0% BENJAMIN JOSEPH FLOYD DBA FLOYD CAPITAL MANAGEMENT 100.0% North Horizon Holdings Inc. 100.0% Trustees of Columbia University in the City of New York 3Y 99.97% MILLBANK DARTMOOR PORTSMOUTH LLC 97.05% Power Alpha Investment Ltd 93.59% RAMSEY QUANTITATIVE SYSTEMS 3Y 7Y 92.45% RedJay Asset Management Inc. 91.78% TEXAS TREASURY SAFEKEEPING TRUST CO 3Y 7Y 87.52% DOW CHEMICAL CO /DE/ 3Y 7Y 86.78%

FAQ About ADVENT CAPITAL MANAGEMENT /DE/ and SPY

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

How long has ADVENT CAPITAL MANAGEMENT /DE/ reported owning SPY?

ADVENT CAPITAL MANAGEMENT /DE/ reported SPY across 8 quarterly 13F filings, from 2024 Q4 through 2026 Q1.

What was the largest reported SPY position in ADVENT CAPITAL MANAGEMENT /DE/'s portfolio?

The largest reported portfolio weight for SPY was 11.78% in 2025 Q4.

What is the latest reported SPY position on this page?

The most recent filing on this page is 2026 Q1, when ADVENT CAPITAL MANAGEMENT /DE/ reported 42,500 shares, equal to 0.76% of portfolio, with an estimated market value of $27.6M.

What does the chart on this SPY ownership page compare?

The chart compares ADVENT CAPITAL MANAGEMENT /DE/'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 ADVENT CAPITAL MANAGEMENT /DE/ time their SPY position?

Based on 13F filing dates vs. subsequent SPY price moves, ADVENT CAPITAL MANAGEMENT /DE/ correctly timed 14 out of 29 reported position changes (48%). The annualised alpha on SPY relative to SPY over the holding period was +-0.0%.

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