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Arkhouse Management Co. LP

Registered adviser
Location
New York, NY
Portfolio Value
Micro $36,673,781
Diversification
Highly concentrated
Filing Date
Global Rank
#7,937 / 8,113 ▲ 29 · as of Sep 2025
Top Industry
Internet Content & Information 75.3%
3Y Alpha vs SPY
-12.6%
Period ended 1 year ago
Filed Nov 13, 2025 · 12mo
3 quarters · since Mar 2025

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, Nov 1, 2026
Form ADV adviser
CRD 325180
Roster of Nov 1, 2026
Regulatory AUM
$122,851,034
Main clients
Pooled investment vehicles (100% of AUM)
Private funds
4 funds · Hedge funds
Focus by fund count, roster of Nov 1, 2026
$130,457,687 gross assets
LEI
254900ZCQYIUY077PN07
Private funds on Schedule D 7.B.(1)
As filed Jun 28, 2024; SEC's bulk Form ADV archive ends with 2024 filings.
$289,271,036 gross assets in 5 funds Hedge funds $289,271,036 (5)
Form ADV history
Monthly rosters from Dec 2019; each row is a run with the same figures, newest first.
Rosters Regulatory AUM Main clients
Apr 2026 to Nov 2026 $122,851,034 Pooled investment vehicles (100%)
Apr 2025 to Mar 2026 $53,085,928 Pooled investment vehicles (100%)
Aug 2024 to Mar 2025 $289,271,037 Pooled investment vehicles (100%)
Apr 2024 to Jun 2024 — —
Jun 2023 to Mar 2024 — —
May 2023 $0 —
1 earlier changes not shown.

Schedule 13D/13G stakes

Stakes of 5% or more disclosed on Schedule 13D or 13G, each on the filer's latest filing for the security. These are event-dated stakes, not the quarter-end 13F portfolio below.

No stake currently held at or above 5%.

A 13D or 13G stays in force until its filer amends it and no amendment is due without a material change, so a stake with no filing in 24 months reads unconfirmed, never sold. An amendment reporting under 5% ends the filer's duty to amend, not necessarily the holding. Shares are restated onto today's split basis. Show 1 exited, below-5% or retired stake

Portfolio style

Measured from the filed 13F common-share book for Sep 30, 2025, never from the firm's own description.

Style
Concentrated
The top 10 positions are 93.7% of the book (60%+)
Turnover
Turnover unknown
It needs four straight quarters of measured turnover
Horizon
Short horizon
Value-weighted holding period 2.7 quarters (under 4)

Closest benchmark: the S&P MidCap 400 as of 2025-09-30, active share 99.0%; sector active share 84.5% against the combined 13F book's sector weights.

Over time 3 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.

View clone backtest

Portfolio Concentration

16 tracked positions · as of Sep 30, 2025 · Δ vs Jun 30, 2025
Top Position
74.3%
−4.4 pts
Top 5
84.8%
−2.9 pts
Top 10
92.6%
−1.7 pts
HHI
5,574
Mar 2025 → Sep 2025 · range 5,574 – 9,842
Highly concentrated−665

Portfolio Trend

3 quarters · across all stocks

Sector Breakdown

As of Sep 30, 2025
Sector % Portfolio Value
Communication Services 74.3% $27,258,078
Real Estate 20.7% $7,585,035
Consumer Cyclical 3.7% $1,372,233
Unclassified 1.3% $458,435

Last Quarter's Activity

Export CSV
Sep 30, 2025 vs Jun 30, 2025

Added To

Positions the filer increased
6 positions
Ticker Δ Shares Shares Value Open
— +2,420 20,530 $458,435

Trimmed

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

New Positions

Positions the filer opened this quarter
3 positions
Ticker Shares Value Open
— 38,206 $501,263

Sold Out

Positions the filer fully exited
3 positions
Ticker Shares Value Open

Portfolio Positions

Export CSV View 13F filing
16 tracked positions · $36,673,781 total · filing declares 18 positions · $36,673,786 · as of Sep 30, 2025
Ticker Company Shares Value (USD) % of Portfolio History
20,640 $518,064 1.41%
38,206 $501,263 1.37%
20,530 $458,435 1.25%

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.