BAMCO INC /NY/ TSM — TAIWAN SEMICONDUCTOR MFG LTD

Ownership history in BAMCO INC /NY/  ·  51 quarters on record

AI Ownership Summary

BAMCO INC /NY/ reported TAIWAN SEMICONDUCTOR MFG LTD (TSM) in 51 quarterly 13F filings from 2023 Q4 through 2025 Q4. Peak portfolio weight reached 0.6% in 2023 Q4. The latest visible filing shows TSM at 0.52% 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 TSM ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was BAMCO INC /NY/'s position in TAIWAN SEMICONDUCTOR MFG LTD, 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

TSM was reported at 0.52% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.6% in 2023 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.

TSM stock page BAMCO INC /NY/ fund profile BAMCO INC /NY/ full holdings
How BAMCO INC /NY/ held TSM — position size vs. price
% of Fund (quarterly)    TSM price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 9 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2025 Q4 ADDED — — — 634,652 +28,740 +4.7% 0.52% $192.9M 2026-02-14 (Est.) $365.33
2025 Q3 ADDED — — — 605,912 +26,708 +4.6% 0.45% $169.2M 2025-11-14 $283.26
2025 Q2 REDUCED 9.9% +21.0% ❌ 579,204 -63,893 -9.9% 0.36% $131.2M 2025-08-14 $238.92
2025 Q1 REDUCED 26.7% +36.9% ❌ 643,097 -233,956 -26.7% 0.31% $106.8M 2025-05-15 $191.84
2024 Q4 REDUCED 8.7% -15.6% ✅ 877,053 -83,687 -8.7% 0.45% $173.2M 2025-02-14 $200.62
2024 Q3 ADDED — — — 960,740 +63,090 +7.0% 0.44% $166.9M 2024-11-14 $184.88
2024 Q2 REDUCED 15.8% +0.3% ❌ 897,650 -168,614 -15.8% 0.45% $156.0M 2024-08-14 $166.10
2024 Q1 REDUCED 50.7% +27.1% ❌ 1,066,264 -1,096,791 -50.7% 0.39% $145.1M 2024-05-15 $151.56
2023 Q4 REDUCED 15.8% +36.6% ❌ 2,163,055 -406,925 -15.8% 0.60% $225.0M 2024-02-14 $125.42
42 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

🏢 Other funds also holding TSM

As of 2026 Q1 — sorted by position size

Eurizon Asset Management Slovakia, sprav. spol., a.s. 57.06% HIMENSION CAPITAL (SINGAPORE) PTE. LTD. 3Y 29.58% Prime Capital Management Co Ltd 3Y 7Y 25.18% Trinity Street Asset Management LLP 3Y 7Y 20.86% Linden Rose Investment LLC 3Y 16.52% Credit Capital Investments LLC 3Y 7Y 16.38% HughesLittle Investment Management Ltd. 15.71% Pelham Capital Ltd. 3Y 7Y 14.3% Explore Capital Management, LLC 13.15% LYNWOOD PRICE CAPITAL MANAGEMENT LP 12.71%

FAQ About BAMCO INC /NY/ and TSM

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

How long has BAMCO INC /NY/ reported owning TSM?

BAMCO INC /NY/ reported TSM across 9 quarterly 13F filings, from 2023 Q4 through 2025 Q4.

What was the largest reported TSM position in BAMCO INC /NY/'s portfolio?

The largest reported portfolio weight for TSM was 0.60% in 2023 Q4.

What is the latest reported TSM position on this page?

The most recent filing on this page is 2025 Q4, when BAMCO INC /NY/ reported 634,652 shares, equal to 0.52% of portfolio, with an estimated market value of $192.9M.

What does the chart on this TSM ownership page compare?

The chart compares BAMCO INC /NY/'s quarterly TSM 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 BAMCO INC /NY/ time their TSM position?

Based on 13F filing dates vs. subsequent TSM price moves, BAMCO INC /NY/ correctly timed 25 out of 48 reported position changes (52%). The annualised alpha on TSM relative to SPY over the holding period was +15.8%.

← Back to BAMCO INC /NY/ Holdings