Paloma Partners Management Co AMZN AMAZON.COM INC COM

Ownership history in Paloma Partners Management Co  ·  115 quarters on record

AI Ownership Summary

Paloma Partners Management Co reported AMAZON.COM INC COM (AMZN) in 115 quarterly 13F filings from 2023 Q4 through 2025 Q4. Peak portfolio weight reached 1.01% in 2025 Q4. The latest visible filing shows AMZN at 1.01% 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 AMZN ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was Paloma Partners Management Co's position in AMAZON.COM INC 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 Q4

AMZN was reported at 1.01% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
1.01% 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
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.

How Paloma Partners Management Co held AMZN — position size vs. price
% of Fund (quarterly)    AMZN price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 14 quarters  
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2025 Q4 ADDED 24,000 +18,000 +300.0% 1.01% $5.5M 2026-02-14 (Est.) $198.79
2025 Q3 ADDED 6,000 +3,000 +100.0% 0.22% $1.3M 2025-11-14 $234.69
2024 Q4 REDUCED 6.2% -13.3% 3,000 -200 -6.2% 0.03% $658K 2025-02-14 $228.68
2024 Q3 REDUCED 33.3% +18.8% 3,200 -1,600 -33.3% 0.02% $596K 2024-11-14 $211.48
2024 Q3 REDUCED 92.8% +18.8% 4,800 -61,590 -92.8% 0.02% $894K 2024-11-14 $211.48
2024 Q3 ADDED 66,390 +64,190 +2917.7% 0.34% $12.4M 2024-11-14 $211.48
2024 Q2 ADDED 2,200 +2,136 +3337.5% 0.01% $425K 2024-08-14 $170.10
2024 Q2 REDUCED 98.2% -3.6% 64 -3,536 -98.2% 0.00% $12K 2024-08-14 $170.10
2024 Q2 ADDED 3,600 +1,892 +110.8% 0.02% $696K 2024-08-14 $170.10
2024 Q1 REDUCED 73.6% +9.3% 1,708 -4,762 -73.6% 0.02% $308K 2024-05-15 $185.99
2024 Q1 REDUCED 86.1% +9.3% 6,470 -40,030 -86.1% 0.06% $1.2M 2024-05-15 $185.99
2023 Q4 ADDED 46,500 +45,018 +3037.7% 0.26% $7.1M 2024-02-14 $170.98
2023 Q4 REDUCED 96.5% +19.1% 1,482 -40,818 -96.5% 0.01% $225K 2024-02-14 $170.98
2023 Q4 ADDED 42,300 +40,400 +2126.3% 0.23% $6.4M 2024-02-14 $170.98
101 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

FAQ About Paloma Partners Management Co and AMZN

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

How long has Paloma Partners Management Co reported owning AMZN?

Paloma Partners Management Co reported AMZN across 14 quarterly 13F filings, from 2023 Q4 through 2025 Q4.

What was the largest reported AMZN position in Paloma Partners Management Co's portfolio?

The largest reported portfolio weight for AMZN was 1.01% in 2025 Q4.

What is the latest reported AMZN position on this page?

The most recent filing on this page is 2025 Q4, when Paloma Partners Management Co reported 24,000 shares, equal to 1.01% of portfolio, with an estimated market value of $5.5M.

What does the chart on this AMZN ownership page compare?

The chart compares Paloma Partners Management Co's quarterly AMZN 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 Paloma Partners Management Co time their AMZN position?

Based on 13F filing dates vs. subsequent AMZN price moves, Paloma Partners Management Co correctly timed 56 out of 111 reported position changes (50%). The annualised alpha on AMZN relative to SPY over the holding period was +9.2%.

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