Yorktown Management & Research Co Inc TDY — TELEDYNE TECHNOLOGIES INC COM

Ownership history in Yorktown Management & Research Co Inc  ·  61 quarters on record

AI Ownership Summary

Yorktown Management & Research Co Inc reported TELEDYNE TECHNOLOGIES INC COM (TDY) in 61 quarterly 13F filings from 2024 Q1 through 2026 Q2. Peak portfolio weight reached 0.49% in 2025 Q1. The latest visible filing shows TDY at 0.37% 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 TDY ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was Yorktown Management & Research Co Inc's position in TELEDYNE TECHNOLOGIES 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
2026 Q2

TDY was reported at 0.37% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.49% 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 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.

TDY stock page Yorktown Management & Research Co Inc fund profile Yorktown Management & Research Co Inc full holdings
How Yorktown Management & Research Co Inc held TDY — position size vs. price
% of Fund (quarterly)    TDY 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 — — — 900 — 0% 0.37% $600K 2026-07-23 $651.22
2026 Q1 UNCHANGED — — — 900 — 0% 0.46% $545K 2026-04-20 $645.73
2025 Q4 UNCHANGED — — — 900 — 0% 0.37% $460K 2026-01-23 $610.66
2025 Q3 UNCHANGED — — — 900 — 0% 0.42% $527K 2025-10-29 $515.33
2025 Q2 UNCHANGED — — — 900 — 0% 0.44% $461K 2025-08-04 $552.26
2025 Q1 UNCHANGED — — — 900 — 0% 0.49% $448K 2025-04-23 $448.52
2024 Q4 UNCHANGED — — — 900 — 0% 0.40% $418K 2025-01-27 $508.60
2024 Q3 UNCHANGED — — — 900 — 0% 0.40% $394K 2024-10-25 $469.19
2024 Q2 UNCHANGED — — — 900 — 0% 0.38% $349K 2024-07-30 $423.98
2024 Q1 UNCHANGED — — — 900 — 0% 0.37% $386K 2024-04-26 $374.64
51 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

🏢 Other funds also holding TDY

As of 2026 Q2 — sorted by position size

Maren Capital LLC 11.65% CONGRUENCE CAPITAL, LLC 7.43% Port Capital LLC 3Y 7Y 6.65% Candelo Capital Management LP 5.66% Defender Capital, LLC. 3Y 7Y 5.34% Findlay Park Partners LLP 3Y 7Y 3.74% CENTRAL SECURITIES CORP 3Y 7Y 3.48% Greenhouse Funds LLLP 3Y 7Y 3.11% Walter Public Investments Inc. 3Y 2.94% SMA Capital LLC 2.8%

FAQ About Yorktown Management & Research Co Inc and TDY

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

How long has Yorktown Management & Research Co Inc reported owning TDY?

Yorktown Management & Research Co Inc reported TDY across 10 quarterly 13F filings, from 2024 Q1 through 2026 Q2.

What was the largest reported TDY position in Yorktown Management & Research Co Inc's portfolio?

The largest reported portfolio weight for TDY was 0.49% in 2025 Q1.

What is the latest reported TDY position on this page?

The most recent filing on this page is 2026 Q2, when Yorktown Management & Research Co Inc reported 900 shares, equal to 0.37% of portfolio, with an estimated market value of $600K.

What does the chart on this TDY ownership page compare?

The chart compares Yorktown Management & Research Co Inc's quarterly TDY 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 Yorktown Management & Research Co Inc time their TDY position?

Based on 13F filing dates vs. subsequent TDY price moves, Yorktown Management & Research Co Inc correctly timed 2 out of 7 reported position changes (29%). The annualised alpha on TDY relative to SPY over the holding period was +28.0%.

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