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Willow Creek Wealth Management Inc.

Location
Sebastopol, CA
Portfolio Value
Mid $1,208,600,383
Diversification
Moderately concentrated
Filing Date
Global Rank
#1,970 / 8,095 ▲ 7 · as of Sep 2025
Top Industry
Discount Stores 19.6%
3Y Alpha vs SPY
-1.8%
Period ended 11 months ago
Filed Nov 12, 2025 · 10mo
23 quarters · since Mar 2020

Clone Performance

Sep 2023–Apr 2026 · vs SPY

Hypothetical growth of buying every stock this filer reported holding, rebalancing on each filing and indexed to the same start. Option positions cannot be bought this way and are left out.

Cloned portfolio
+28.4%
SPY
+53.8%
Annualised alpha
-7.9%
Max drawdown
−10.0%

Estimate. 13F holdings are quarter-lagged, so the clone rebalances about 45 days after each period end — when the filing becomes public — and it excludes option and short positions. Returns use comparable raw closes and exclude dividends. Captured split ratios restate closes onto one basis; only an unusable ratio can exclude earlier closes for that listing. It tracks 100% of reported value on average across 10 quarters.Willow Creek Wealth Management Inc. has stopped filing, so the simulation ends in Apr 2026 — where its last reported portfolio went stale — rather than trading that portfolio forward to today. Past performance does not predict future results.

Portfolio Concentration

96 tracked positions · as of Sep 30, 2025 · Δ vs Jun 30, 2025
Top Position
37.9%
+0.5 pts
Top 5
81.8%
−0.2 pts
Top 10
92.4%
−0.6 pts
HHI
2,013
Dec 2022 → Sep 2025 · range 1,700 – 2,017
Moderately concentrated+9

Portfolio Trend

23 quarters · across all stocks

Sector Breakdown

As of Sep 30, 2025
Sector % Portfolio Value
Unclassified 93.4% $1,129,114,981
Technology 2.9% $34,922,910
Consumer Defensive 1.4% $16,614,269
Financial Services 0.8% $9,234,796
Communication Services 0.6% $7,397,115
Healthcare 0.4% $4,517,272
Industrials 0.3% $3,173,706
Consumer Cyclical 0.2% $2,572,259
Energy 0.0% $314,008
Utilities 0.0% $296,826
Real Estate 0.0% $227,902
Basic Materials 0.0% $214,339

Last Quarter's Activity

Export CSV
Sep 30, 2025 vs Jun 30, 2025

Added To

Positions the filer increased
25 positions
Ticker Δ Shares Shares Value Open

Trimmed

Positions the filer reduced
22 positions
Ticker Δ Shares Shares Value Open

New Positions

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

Sold Out

Positions the filer fully exited
3 positions
Ticker Shares Value Open

Portfolio Positions

Export CSV View 13F filing
96 tracked positions · $1,208,600,383 total · filing declares 180 positions · $1,214,266,260 · as of Sep 30, 2025
Showing 1–50 of 96 positions by value · page 1 of 2
Ticker Company Shares Value (USD) % of Portfolio History

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.