Polymer Capital Management (US) LLC AA ALCOA CORP

Ownership history in Polymer Capital Management (US) LLC  ·  14 quarters on record

AI Ownership Summary

Polymer Capital Management (US) LLC reported ALCOA CORP (AA) in 14 quarterly 13F filings from 2024 Q4 through 2026 Q1. Peak portfolio weight reached 0.87% in 2026 Q1. The latest visible filing shows AA at 0.87% 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.

What this AA ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was Polymer Capital Management (US) LLC's position in ALCOA 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
2026 Q1

AA was reported at 0.87% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.87% in 2026 Q1

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.

How Polymer Capital Management (US) LLC held AA — position size vs. price
% of Fund (quarterly)    AA 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)
2026 Q1 ADDED 130,000 +66,589 +105.0% 0.87% $8.6M 2026-05-14 $65.91
2026 Q1 ADDED 63,411 +13,411 +26.8% 0.43% $4.2M 2026-05-14 $65.91
2026 Q1 REDUCED 50,000 -35,000 -41.2% 0.34% $3.3M 2026-05-14 $65.91
2025 Q4 ADDED 85,000 +10,000 +13.3% 0.47% $4.5M 2026-02-17 $57.28
2025 Q4 ADDED 75,000 +42,095 +127.9% 0.42% $4.0M 2026-02-17 $57.28
2025 Q4 REDUCED 60.2% +25.0% 32,905 -49,752 -60.2% 0.18% $1.7M 2026-02-17 $57.28
2025 Q3 ADDED 82,657 +7,657 +10.2% 0.29% $2.7M 2025-11-14 $37.47
2025 Q3 REDUCED 44.4% +63.9% 75,000 -60,000 -44.4% 0.26% $2.5M 2025-11-14 $37.47
2025 Q2 ADDED 135,000 +38,882 +40.5% 0.47% $4.0M 2025-08-14 $31.14
2025 Q2 ADDED 96,118 +66,118 +220.4% 0.34% $2.8M 2025-08-14 $31.14
2025 Q1 ADDED 30,000 +9,270 +44.7% 0.24% $915K 2025-05-15 $28.31
2025 Q1 REDUCED 17.1% -2.9% 20,730 -4,270 -17.1% 0.16% $632K 2025-05-15 $28.31
2025 Q1 REDUCED 63.5% -2.9% 25,000 -43,549 -63.5% 0.20% $762K 2025-05-15 $28.31
2024 Q4 INITIATED 68,549 0.70% $2.6M 2025-02-13 $35.80

FAQ About Polymer Capital Management (US) LLC and AA

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

How long has Polymer Capital Management (US) LLC reported owning AA?

Polymer Capital Management (US) LLC reported AA across 14 quarterly 13F filings, from 2024 Q4 through 2026 Q1.

What was the largest reported AA position in Polymer Capital Management (US) LLC's portfolio?

The largest reported portfolio weight for AA was 0.87% in 2026 Q1.

What is the latest reported AA position on this page?

The most recent filing on this page is 2026 Q1, when Polymer Capital Management (US) LLC reported 130,000 shares, equal to 0.87% of portfolio, with an estimated market value of $8.6M.

What does the chart on this AA ownership page compare?

The chart compares Polymer Capital Management (US) LLC's quarterly AA 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 Polymer Capital Management (US) LLC time their AA position?

Based on 13F filing dates vs. subsequent AA price moves, Polymer Capital Management (US) LLC correctly timed 9 out of 13 reported position changes (69%). The annualised alpha on AA relative to SPY over the holding period was +36.9%.

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