DISCIPLINED GROWTH INVESTORS INC /MN SSD — SIMPSON MFG INC COM

Ownership history in DISCIPLINED GROWTH INVESTORS INC /MN  ·  6 quarters on record

AI Ownership Summary

DISCIPLINED GROWTH INVESTORS INC /MN reported SIMPSON MFG INC COM (SSD) in 6 quarterly 13F filings from 2025 Q1 through 2026 Q2. Peak portfolio weight reached 0.87% in 2025 Q1. The latest visible filing shows SSD at 0.85% 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 SSD ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was DISCIPLINED GROWTH INVESTORS INC /MN's position in SIMPSON MFG 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

SSD was reported at 0.85% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.87% 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
2025 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 DISCIPLINED GROWTH INVESTORS INC /MN 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 6 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q2 REDUCED — — — 240,664 -901 -0.4% 0.85% $50.4M 2026-08-14 $193.44
2026 Q1 REDUCED 7.2% +22.1% ❌ 241,565 -18,665 -7.2% 0.85% $41.5M 2026-05-15 $178.04
2025 Q4 ADDED — — — 260,230 +4,193 +1.6% 0.80% $42.0M 2026-02-17 $205.02
2025 Q3 REDUCED — — — 256,037 -9,567 -3.6% 0.78% $42.9M 2025-11-14 $163.07
2025 Q2 REDUCED — — — 265,604 -1,331 -0.5% 0.79% $41.3M 2025-08-14 $189.58
2025 Q1 INITIATED — — — 266,935 — — 0.87% $41.9M 2025-05-15 $161.48

FAQ About DISCIPLINED GROWTH INVESTORS INC /MN and SSD

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

How long has DISCIPLINED GROWTH INVESTORS INC /MN reported owning SSD?

DISCIPLINED GROWTH INVESTORS INC /MN reported SSD across 6 quarterly 13F filings, from 2025 Q1 through 2026 Q2.

What was the largest reported SSD position in DISCIPLINED GROWTH INVESTORS INC /MN's portfolio?

The largest reported portfolio weight for SSD was 0.87% in 2025 Q1.

What is the latest reported SSD position on this page?

The most recent filing on this page is 2026 Q2, when DISCIPLINED GROWTH INVESTORS INC /MN reported 240,664 shares, equal to 0.85% of portfolio, with an estimated market value of $50.4M.

What does the chart on this SSD ownership page compare?

The chart compares DISCIPLINED GROWTH INVESTORS INC /MN'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 DISCIPLINED GROWTH INVESTORS INC /MN time their SSD position?

Based on 13F filing dates vs. subsequent SSD price moves, DISCIPLINED GROWTH INVESTORS INC /MN correctly timed 2 out of 5 reported position changes (40%). The annualised alpha on SSD relative to SPY over the holding period was +1306.4%.

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