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Cartenna Capital, LP

Location
STAMFORD, CT
Portfolio Value
Mid $2,810,027,617
Diversification
Diversified
Filing Date
Global Rank
#1,260 / 8,811 ▼ 5
Top Industry
Specialty Industrial Machinery 10.6%
Period ended 4 months ago
Filed Aug 14, 2026 · 2mo
23 quarters · since Dec 2020

Regulatory profile

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

Holder type
Unknown

Portfolio style

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

Style
Diversified active
Top 10 weight 52.4%, 25.2 effective positions, active share 85.4% against the Nasdaq-100 as of 2026-06-30; it meets none of the index-like, systematic-like or concentrated tests
Turnover
High turnover
251.3% over the last four quarters (100%+)
Horizon
Short horizon
Value-weighted holding period 1.8 quarters (under 4)

Closest benchmark: the Nasdaq-100 as of 2026-06-30, active share 85.4%; sector active share 41.9% against the combined 13F book's sector weights.

Over time 23 measured quarters

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

35 tracked positions · as of Jun 30, 2026 · Δ vs Mar 31, 2026
Top Position
7.7%
+2.2 pts
Top 5
30.7%
+6.5 pts
Top 10
52.4%
+10.4 pts
HHI
397
Sep 2023 → Jun 2026 · range 314 – 656
Diversified+83

Portfolio Trend

23 quarters · across all stocks

Sector Breakdown

As of Jun 30, 2026
Sector % Portfolio Value
Industrials 39.6% $1,113,605,300
Technology 34.5% $970,537,300
Consumer Cyclical 16.0% $449,831,517
Communication Services 5.5% $153,869,050
Real Estate 2.0% $57,331,450
Consumer Defensive 1.2% $33,978,000
Financial Services 1.1% $30,875,000

Last Quarter's Activity

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Jun 30, 2026 vs Mar 31, 2026

Added To

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

Trimmed

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

New Positions

Positions the filer opened this quarter
22 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
35 tracked positions · $2,810,027,617 total · filing declares 49 positions · $4,200,553,760 · as of Jun 30, 2026
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.