RIVERBRIDGE PARTNERS LLC WSC — WillScot Mobile Mini Holdings

Ownership history in RIVERBRIDGE PARTNERS LLC  ·  23 quarters on record

AI Ownership Summary

RIVERBRIDGE PARTNERS LLC reported WillScot Mobile Mini Holdings (WSC) in 23 quarterly 13F filings from 2023 Q4 through 2026 Q1. Peak portfolio weight reached 0.75% in 2023 Q4. The latest visible filing shows WSC at 0.28% 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 WSC ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was RIVERBRIDGE PARTNERS LLC's position in WillScot Mobile Mini Holdings, 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 Q1

WSC was reported at 0.28% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.75% 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 2026 Q1

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.

WSC stock page RIVERBRIDGE PARTNERS LLC fund profile RIVERBRIDGE PARTNERS LLC full holdings
How RIVERBRIDGE PARTNERS LLC held WSC — position size vs. price
% of Fund (quarterly)    WSC 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 Q1 REDUCED — — — 669,142 -47,080 -6.6% 0.28% $11.6M 2026-04-17 $20.23
2025 Q4 REDUCED — — — 716,222 -33,746 -4.5% 0.25% $13.5M 2026-01-13 $21.60
2025 Q3 REDUCED 8.2% -8.2% ✅ 749,968 -67,373 -8.2% 0.27% $15.8M 2025-10-14 $21.95
2025 Q2 REDUCED 13.2% -24.2% ✅ 817,341 -123,974 -13.2% 0.36% $22.4M 2025-07-15 $29.34
2025 Q1 REDUCED 8.5% -1.2% ✅ 941,315 -87,924 -8.5% 0.42% $26.2M 2025-04-21 $21.98
2024 Q4 REDUCED 7.9% -16.7% ✅ 1,029,239 -88,073 -7.9% 0.47% $34.4M 2025-01-17 $36.11
2024 Q3 REDUCED — — — 1,117,312 -38,657 -3.3% 0.56% $42.0M 2024-10-15 $35.76
2024 Q2 REDUCED 7.7% -0.1% ✅ 1,155,969 -96,223 -7.7% 0.59% $43.5M 2024-07-17 $39.39
2024 Q1 REDUCED — — — 1,252,192 -21,618 -1.7% 0.71% $58.2M 2024-04-26 $38.16
2023 Q4 REDUCED — — — 1,273,810 -17,098 -1.3% 0.75% $56.7M 2024-01-24 $42.17
13 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

🏢 Other funds also holding WSC

As of 2026 Q1 — sorted by position size

DIVERSIFIED MANAGEMENT INC 3.57% Douglas Lane & Associates, LLC 3Y 7Y 0.43% Skylands Capital, LLC 3Y 7Y 0.4% Marathon Asset Management Ltd 3Y 0.29% THOMPSON INVESTMENT MANAGEMENT, INC. 3Y 7Y 0.1% Central Pacific Bank - Trust Division 0.05% Louisiana State Employees Retirement System 3Y 7Y 0.02% State of Alaska, Department of Revenue 3Y 7Y 0.02% YOUSIF CAPITAL MANAGEMENT, LLC 3Y 0.01% OPPENHEIMER ASSET MANAGEMENT INC. 3Y 7Y 0.0%

FAQ About RIVERBRIDGE PARTNERS LLC and WSC

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

How long has RIVERBRIDGE PARTNERS LLC reported owning WSC?

RIVERBRIDGE PARTNERS LLC reported WSC across 10 quarterly 13F filings, from 2023 Q4 through 2026 Q1.

What was the largest reported WSC position in RIVERBRIDGE PARTNERS LLC's portfolio?

The largest reported portfolio weight for WSC was 0.75% in 2023 Q4.

What is the latest reported WSC position on this page?

The most recent filing on this page is 2026 Q1, when RIVERBRIDGE PARTNERS LLC reported 669,142 shares, equal to 0.28% of portfolio, with an estimated market value of $11.6M.

What does the chart on this WSC ownership page compare?

The chart compares RIVERBRIDGE PARTNERS LLC's quarterly WSC 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 RIVERBRIDGE PARTNERS LLC time their WSC position?

Based on 13F filing dates vs. subsequent WSC price moves, RIVERBRIDGE PARTNERS LLC correctly timed 13 out of 22 reported position changes (59%). The annualised alpha on WSC relative to SPY over the holding period was -6.4%.

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