Asset Management One Co., Ltd. ESRT EMPIRE STATE REALTY TRUST INC

Ownership history in Asset Management One Co., Ltd.  ·  51 quarters on record

AI Ownership Summary

Asset Management One Co., Ltd. reported EMPIRE STATE REALTY TRUST INC (ESRT) in 51 quarterly 13F filings from 2024 Q1 through 2026 Q2. Peak portfolio weight reached 0.01% in 2024 Q3. The latest visible filing shows ESRT at 0.00% 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 ESRT ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was Asset Management One Co., Ltd.'s position in EMPIRE STATE REALTY TRUST 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 Q2

ESRT was reported at 0.00% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.01% in 2024 Q3

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

Time in book
Holding Window
2024 Q1 to 2026 Q2

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 Asset Management One Co., Ltd. held ESRT — position size vs. price
% of Fund (quarterly)    ESRT price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 10 quarters  
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q2 UNCHANGED 204,967 0% 0.00% $1.1M 2026-07-28 $5.66
2026 Q1 ADDED 204,967 +8,859 +4.5% 0.00% $1.1M 2026-05-08 $5.67
2025 Q4 UNCHANGED 196,108 0% 0.00% $1.3M 2026-01-27 $6.57
2025 Q3 REDUCED 196,108 -5,712 -2.8% 0.00% $1.5M 2025-10-22 $7.62
2025 Q2 ADDED 201,820 +3,494 +1.8% 0.01% $1.6M 2025-07-31 $7.08
2025 Q1 REDUCED 5.4% +3.9% 198,326 -11,389 -5.4% 0.01% $1.6M 2025-04-23 $6.94
2024 Q4 REDUCED 209,715 -2,009 -0.9% 0.01% $2.1M 2025-01-30 $9.22
2024 Q3 ADDED 211,724 +4,581 +2.2% 0.01% $2.3M 2024-10-30 $10.42
2024 Q2 UNCHANGED 207,143 0% 0.01% $1.9M 2024-07-18 $10.17
2024 Q1 REDUCED 207,143 -9,036 -4.2% 0.01% $2.1M 2024-05-02 $8.93
41 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

FAQ About Asset Management One Co., Ltd. and ESRT

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

How long has Asset Management One Co., Ltd. reported owning ESRT?

Asset Management One Co., Ltd. reported ESRT across 10 quarterly 13F filings, from 2024 Q1 through 2026 Q2.

What was the largest reported ESRT position in Asset Management One Co., Ltd.'s portfolio?

The largest reported portfolio weight for ESRT was 0.01% in 2024 Q3.

What is the latest reported ESRT position on this page?

The most recent filing on this page is 2026 Q2, when Asset Management One Co., Ltd. reported 204,967 shares, equal to 0.00% of portfolio, with an estimated market value of $1.1M.

What does the chart on this ESRT ownership page compare?

The chart compares Asset Management One Co., Ltd.'s quarterly ESRT 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 Asset Management One Co., Ltd. time their ESRT position?

Based on 13F filing dates vs. subsequent ESRT price moves, Asset Management One Co., Ltd. correctly timed 19 out of 48 reported position changes (40%). The annualised alpha on ESRT relative to SPY over the holding period was -16.9%.

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