Arko Corp.
US ˙ NasdaqCM ˙ US0412421085

SecurityARKO / Arko Corp.
InstitutionCastleKnight Management LP
Latest Disclosed Ownership381,913 shares
Latest Disclosed Value $ 2,123,436
CastleKnight Management LP reports 10.35% decrease in ownership of ARKO / Arko Corp.

On May 15, 2026 - CastleKnight Management LP filed a 13F-HR form disclosing ownership of 381,913 shares of Arko Corp. (US:ARKO) valued at $2,123,436 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 17, 2026 disclosing 426,013 shares of Arko Corp.. This represents a change in shares of -10.35% during the quarter. The current value of the position is $2,860,528 USD.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date		 Effective
Date		Form Security Class ID Avg Price
Paid (Est)		 Reported
Shares		 ΔShares ΔShares
(%)		 Reported
Value
(x1000)		 ΔValue
(%)		 Alloc
(%)		 ΔAlloc ΔAlloc (%) Cost Basis
(x1000)		 Unrealized
Gain/Loss
(x1000)
2026-05-15 2026-03-31 13F ARKO COM 041242108 381,913 -44,100 -10.35 2,123 9.77 0.0354
2026-02-17 2025-12-31 13F ARKO COM 041242108 426,013 0 0.00 1,934 -0.62 0.0428
2025-11-14 2025-09-30 13F ARKO COM 041242108 426,013 0 0.00 1,947 7.99 0.0384
2025-08-14 2025-06-30 13F ARKO COM 041242108 426,013 48,000 12.70 1,802 20.70 0.0509
2025-05-15 2025-03-31 13F ARKO COM 041242108 378,013 56,400 17.54 1,493 -29.54 0.0586
2025-02-14 2024-12-31 13F ARKO COM 041242108 321,613 41,179 14.68 2,119 7.67 0.0619
2024-11-14 2024-09-30 13F ARKO COM 041242108 280,434 69,821 33.15 1,969 49.09 0.0811
2024-08-14 2024-06-30 13F ARKO COM 041242108 210,613 130,300 162.24 1,321 188.84 0.0656
2024-05-15 2024-03-31 13F ARKO COM 041242108 80,313 0 0.00 458 -30.97 0.0273
2024-02-14 2023-12-31 13F ARKO COM 041242108 80,313 0 0.00 663 15.33 0.0350
2023-11-14 2023-09-30 13F ARKO COM 041242108 80,313 -19,300 -19.37 574 -27.43 0.0377
2023-08-14 2023-06-30 13F ARKO COM 041242108 99,613 0 0.00 792 -6.39 0.0832
2023-05-15 2023-03-31 13F ARKO COM 041242108 99,613 99,613 846 0.0874
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.