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Willow Creek Capital Management, Inc.

Registered adviser
Location
MISSOULA, MT
Portfolio Value
Micro $96,457,784
Diversification
Diversified
Filing Date
Global Rank
#8,260 / 8,811 · as of Jun 2026
Top Industry
Software - Infrastructure 12.2%
Period ended 21 days ago
Filed Oct 16, 2026 · 5d
2 quarters · since Jun 2026

Regulatory profile

From Form ADV, the SEC filer profile, 13D/13G type codes and N-CEN, never from the name.

Holder type
Registered adviser
Form ADV roster, Oct 1, 2026
Form ADV adviser
CRD 333911
Roster of Oct 1, 2026
Regulatory AUM
$280,030,435
Main clients
Individuals and high net worth (92% of AUM)
Form ADV history
Monthly rosters from Dec 2019; each row is a run with the same figures, newest first.
Rosters Regulatory AUM Main clients
May 2026 to Oct 2026 $280,030,435 Individuals and high net worth (92%)
Feb 2025 to Apr 2026 $0 —

Portfolio style

Measured from the filed 13F common-share book for Jun 30, 2026, the newest measured quarter, never from the firm's own description.

Style
Diversified active
Top 10 weight 42.9%, 34.0 effective positions, active share 55.8% against the S&P 500 as of 2026-06-30; it meets none of the index-like, systematic-like or concentrated tests
Turnover
Turnover unknown
It needs four straight quarters of measured turnover
Horizon
Short horizon
Value-weighted holding period 1.0 quarters (under 4)

Closest benchmark: the S&P 500 as of 2026-06-30, active share 55.8%; sector active share 12.9% against the combined 13F book's sector weights.

How the bands are measured

Style bands measure the filed 13F common-share book each closed quarter, tested in this order. Unknown: under $10,000,000 of valued equity or 5 stocks. Index-like (100+ stocks): active share of 20% or less against the closest benchmark, which is the S&P 500, S&P MidCap 400, S&P SmallCap 600, Russell 1000, Russell 2000, Nasdaq-100 or Dow Jones Industrial Average (weighted by an index-tracking fund's reported holdings or the index's constituents nearest the quarter end, over the names resolved to companies, and only when those are 90%+ of its weight) or every 13F filer's combined book, or index series holding 80%+ of the registered fund assets it advises (N-CEN) and equal to 50%+ of its book. Systematic-like: 500+ stocks, 100%+ annual turnover and a top 10 weight of 25% or less. Concentrated: a top 10 weight of 60%+ or 12 or fewer effective positions. Diversified active: none of these. Turnover is the smaller of buys and sells over average equity value, summed over four quarters: low under 30%, high 100%+. Horizon is the value-weighted number of quarters each position has been held: short under 4, long 12+.

Clone Performance

Build a hypothetical price-return history from this filer's public 13F holdings.

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Portfolio Concentration

100 tracked positions · as of Sep 30, 2026 · Δ vs Jun 30, 2026
Top Position
11.4%
+3.3 pts
Top 5
34.0%
+3.5 pts
Top 10
43.6%
+0.6 pts
HHI
360
Jun 2026 → Sep 2026 · range 294 – 360
Diversified+66

Portfolio Trend

2 quarters · across all stocks

Sector Breakdown

As of Sep 30, 2026
Sector % Portfolio Value
Technology 37.7% $36,398,004
Healthcare 11.0% $10,572,954
Industrials 10.7% $10,280,843
Communication Services 9.9% $9,559,867
Financial Services 8.6% $8,251,263
Consumer Cyclical 5.4% $5,218,408
Unclassified 4.9% $4,748,976
Consumer Defensive 4.2% $4,065,009
Energy 3.2% $3,044,718
Basic Materials 1.9% $1,819,153
Utilities 1.8% $1,720,735
Real Estate 0.8% $777,854

Last Quarter's Activity

Export CSV
Sep 30, 2026 vs Jun 30, 2026

Added To

Positions the filer increased
No qualifying positions this quarter.

Trimmed

Positions the filer reduced
No qualifying positions this quarter.

New Positions

Positions the filer opened this quarter
1 positions
Ticker Shares Value Open

Sold Out

Positions the filer fully exited
1 positions
Ticker Shares Value Open
— 2,345 $480,818

Portfolio Positions

Export CSV View 13F filing
100 tracked positions · $96,457,784 total · filing declares 100 positions · $102,751,915 · as of Sep 30, 2026
Showing 1–50 of 100 positions by value · page 1 of 2
Ticker Company Shares Value (USD) % of Portfolio History

Showing the top 50 of 100 positions. Create a free account to see every position, past quarters, search, filters and CSV export.

Covers the securities this platform tracks: U.S.-listed common stock and the put/call positions reported on it. A 13F can also report security types outside that coverage — preferred shares, bonds, warrants, untracked share classes — so the filing's own declared total can exceed the figures above. The source filing is linked at the top of this table.