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Isomer Partners LP

Location
New York, NY
Portfolio Value
Micro $71,716,900
Diversification
Highly concentrated
Filing Date
Global Rank
#5,973 / 8,036 ▼ 38
Top Industry
Software - Infrastructure 57.6%
3Y Alpha vs SPY
-7.2%
Period ended 1 year ago
Filed Feb 3, 2025 · 1y
20 quarters · since Mar 2020

Clone Performance

Jun 2023–Jun 2026 · vs SPY

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

Cloned portfolio
+46.7%
SPY
+76.3%
Annualised alpha
-7.2%
Max drawdown
−28.5%

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

4 positions · as of Dec 31, 2024 · Δ vs Sep 30, 2024
Top Position
40.0%
−11.6 pts
Top 5
100.0%
+8.6 pts
Top 10
100.0%
0.0 pts
HHI
2,934
Mar 2022 → Dec 2024 · range 1,136 – 3,214
Highly concentrated−280

Portfolio Trend

20 quarters · across all stocks

Sector Breakdown

As of Dec 31, 2024
Sector % Portfolio Value
Technology 69.4% $49,770,700
Unclassified 30.6% $21,946,200

Last Quarter's Activity

Export CSV
Dec 31, 2024 vs Sep 30, 2024

Added To

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

Trimmed

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

New Positions

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

Sold Out

Positions the filer fully exited
7 positions
Ticker Shares Value Open

Portfolio Positions

Export CSV View 13F filing
4 positions · $71,716,900 total · as of Dec 31, 2024
Ticker Company Shares Value (USD) % of Portfolio History