FIDUCIARY MANAGEMENT INC /WI/ SSD Simpson Mfg. Co.

Ownership history in FIDUCIARY MANAGEMENT INC /WI/  ·  19 quarters on record

AI Ownership Summary

FIDUCIARY MANAGEMENT INC /WI/ reported Simpson Mfg. Co. (SSD) in 19 quarterly 13F filings from 2023 Q4 through 2025 Q4. Peak portfolio weight reached 1.72% in 2025 Q3. The latest visible filing shows SSD at 0.81% 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 SSD ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was FIDUCIARY MANAGEMENT INC /WI/'s position in Simpson Mfg. Co., 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

SSD was reported at 0.81% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
1.72% in 2025 Q3

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.

How FIDUCIARY MANAGEMENT INC /WI/ held SSD — position size vs. price
% of Fund (quarterly)    SSD 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 REDUCED 55.3% +6.5% 455,195 -562,371 -55.3% 0.81% $73.5M 2026-02-14 (Est.) $208.66
2025 Q3 REDUCED 1,017,566 -5,708 -0.6% 1.72% $170.4M 2025-11-14 $163.60
2025 Q2 ADDED 1,023,274 +107,122 +11.7% 1.53% $158.9M 2025-08-14 $190.19
2025 Q1 REDUCED 916,152 -6,119 -0.7% 1.39% $143.9M 2025-05-14 $161.32
2024 Q4 REDUCED 922,271 -1,722 -0.2% 1.43% $152.9M 2025-02-13 $166.15
2024 Q3 REDUCED 923,993 -894 -0.1% 1.55% $176.7M 2024-11-14 $180.67
2024 Q2 ADDED 924,887 +2,869 +0.3% 1.45% $155.9M 2024-08-13 $172.07
2024 Q1 ADDED 922,018 +13,247 +1.5% 1.68% $189.2M 2024-05-14 $173.19
2023 Q4 ADDED 908,771 +27,490 +3.1% 1.68% $179.9M 2024-02-14 $187.93
10 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

FAQ About FIDUCIARY MANAGEMENT INC /WI/ and SSD

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

How long has FIDUCIARY MANAGEMENT INC /WI/ reported owning SSD?

FIDUCIARY MANAGEMENT INC /WI/ reported SSD across 9 quarterly 13F filings, from 2023 Q4 through 2025 Q4.

What was the largest reported SSD position in FIDUCIARY MANAGEMENT INC /WI/'s portfolio?

The largest reported portfolio weight for SSD was 1.72% in 2025 Q3.

What is the latest reported SSD position on this page?

The most recent filing on this page is 2025 Q4, when FIDUCIARY MANAGEMENT INC /WI/ reported 455,195 shares, equal to 0.81% of portfolio, with an estimated market value of $73.5M.

What does the chart on this SSD ownership page compare?

The chart compares FIDUCIARY MANAGEMENT INC /WI/'s quarterly SSD 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 FIDUCIARY MANAGEMENT INC /WI/ time their SSD position?

Based on 13F filing dates vs. subsequent SSD price moves, FIDUCIARY MANAGEMENT INC /WI/ correctly timed 7 out of 18 reported position changes (39%).

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