Wernau Asset Management Inc. PFE PFIZER INC

Ownership history in Wernau Asset Management Inc.  ·  11 quarters on record

AI Ownership Summary

Wernau Asset Management Inc. reported PFIZER INC (PFE) in 11 quarterly 13F filings from 2024 Q4 through 2026 Q1. Peak portfolio weight reached 3.28% in 2025 Q1. The latest visible filing shows PFE at 2.23% 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 PFE ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was Wernau Asset Management Inc.'s position in PFIZER INC, 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

PFE was reported at 2.23% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
3.28% in 2025 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 Wernau Asset Management Inc. held PFE — position size vs. price
% of Fund (quarterly)    PFE price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 11 quarters  
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q1 ADDED 114,031 +149 +0.1% 2.23% $3.2M 2026-04-22 $26.80
2025 Q4 ADDED 113,882 +101,382 +811.1% 1.53% $2.8M 2026-01-21 $25.46
2025 Q4 REDUCED 89.8% +14.7% 12,500 -109,641 -89.8% 0.17% $311K 2026-01-21 $25.46
2025 Q3 ADDED 122,141 +87,141 +249.0% 2.12% $3.1M 2025-11-07 $24.03
2025 Q3 REDUCED 71.8% -0.2% 35,000 -89,324 -71.8% 0.61% $892K 2025-11-07 $24.03
2025 Q2 ADDED 124,324 +104,324 +521.6% 2.09% $3.0M 2025-08-12 $23.82
2025 Q2 REDUCED 87.9% +0.1% 20,000 -145,644 -87.9% 0.34% $485K 2025-08-12 $23.82
2025 Q1 ADDED 165,644 +155,644 +1556.4% 3.28% $4.2M 2025-05-07 $21.25
2025 Q1 REDUCED 93.5% -2.5% 10,000 -143,548 -93.5% 0.20% $253K 2025-05-07 $21.25
2024 Q4 ADDED 153,548 +148,548 +2971.0% 3.04% $4.1M 2025-02-06 $24.08
2024 Q4 INITIATED 5,000 0.10% $133K 2025-02-06 $24.08

FAQ About Wernau Asset Management Inc. and PFE

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

How long has Wernau Asset Management Inc. reported owning PFE?

Wernau Asset Management Inc. reported PFE across 11 quarterly 13F filings, from 2024 Q4 through 2026 Q1.

What was the largest reported PFE position in Wernau Asset Management Inc.'s portfolio?

The largest reported portfolio weight for PFE was 3.28% in 2025 Q1.

What is the latest reported PFE position on this page?

The most recent filing on this page is 2026 Q1, when Wernau Asset Management Inc. reported 114,031 shares, equal to 2.23% of portfolio, with an estimated market value of $3.2M.

What does the chart on this PFE ownership page compare?

The chart compares Wernau Asset Management Inc.'s quarterly PFE 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 Wernau Asset Management Inc. time their PFE position?

Based on 13F filing dates vs. subsequent PFE price moves, Wernau Asset Management Inc. correctly timed 8 out of 10 reported position changes (80%). The annualised alpha on PFE relative to SPY over the holding period was -2.6%.

← Back to Wernau Asset Management Inc. Holdings