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West Branch Capital LLC

Location
AMHERST, MA
Portfolio Value
Small $341,279,167
Diversification
Diversified
Filing Date
Global Rank
#3,224 / 8,605 ▼ 17 · as of Mar 2026
Top Industry
Semiconductors 15.7%
3Y Alpha vs SPY
-2.1%
Period ended 3 months ago
Filed Apr 14, 2026 · 3mo
25 quarters · since Mar 2020

Clone Performance

Jul 2023–Jul 2026 · vs SPY

Hypothetical growth of cloning every reported 13F position and rebalancing on each filing, indexed to the same start.

Cloned portfolio
+68.3%
SPY
+76.5%
Annualised alpha
-1.9%
Max drawdown
−20.1%

Estimate. 13F holdings are quarter-lagged and long-only, so the clone rebalances about 45 days after each period end — when the filing becomes public — and excludes options and short positions. Past performance does not predict future results.

Portfolio Concentration

287 positions · as of Mar 31, 2026 · Δ vs Dec 31, 2025
Top Position
11.3%
−0.3 pts
Top 5
41.2%
−3.3 pts
Top 10
58.5%
−3.1 pts
HHI
486
Jun 2023 → Mar 2026 · range 486 – 621
Diversified−48

Portfolio Trend

25 quarters · across all stocks

Sector Breakdown

As of Mar 31, 2026
Sector % Portfolio Value
Technology 37.0% $126,282,045
Communication Services 11.1% $37,956,414
Financial Services 11.0% $37,704,602
Consumer Cyclical 9.6% $32,750,273
Healthcare 8.8% $29,870,849
Consumer Defensive 8.6% $29,477,981
Unclassified 6.4% $21,745,831
Energy 3.6% $12,308,391
Industrials 3.5% $12,050,390
Utilities 0.1% $494,753
Real Estate 0.1% $359,622
Basic Materials 0.1% $278,016

Last Quarter's Activity

Export CSV
Mar 31, 2026 vs Dec 31, 2025

Added To

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

Trimmed

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

New Positions

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

Sold Out

Positions the filer fully exited
25 positions
Ticker Shares Value Open

Portfolio Positions

Export CSV View 13F filing
287 positions · $341,279,167 total · as of Mar 31, 2026
Showing 1–50 of 287 positions by value · page 1 of 6
Ticker Company Shares Value (USD) % of Portfolio History