Significant Ownership of CastleKnight Master Fund LP

Large-stake snapshot 1 signal
Large-stake filing summary
  • Recent SEC Schedule 13D/G filings for CastleKnight Master Fund LP focus on large-stake beneficial ownership disclosures and amendments.
  • Use this view to spot new large holders, amended positions, and activist-style ownership evidence.
Manager Names, identifiers, and filing context for this profile. 2 identity fields
Manager location
Grand Cayman, Cayman Islands
Manager signature
By: CastleKnight Fund GP LLC, its general partner, By: Weitman Capital LLC, its managing member, By: /s/ Aaron Weitman - Aaron Weitman, Manager

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Significant Ownership of CastleKnight Master Fund LP

Sym Company Class Ownership Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
CYH COMMUNITY HEALTH SYSTEMS INC Common Stock, $0.01 par value 9% $37,242,703 +$8,582,007 12,667,586 +30% CastleKnight Master Fund LP 31 Mar 2026
HAIN THE HAIN CELESTIAL GROUP, INC. Common Stock, par value $.01 per share 8.3% $6,152,229 7,595,345 CastleKnight Master Fund LP 17 Mar 2026
NINEQ NINE ENERGY SERVICE, INC. Common Stock, par value $0.01 per share 8.3% $11,579 1,157,943 CastleKnight Master Fund LP 31 Mar 2026
STRZ Starz Entertainment Corp. Common Shares, no par value per share 6.7% $12,998,062 1,130,109 CastleKnight Master Fund LP 10 Apr 2026
AHT ASHFORD HOSPITALITY TRUST, INC. Common Stock, $0.01 par value per share 6.4% $1,816,151 410,894 CastleKnight Master Fund LP 31 Dec 2025
INV Innventure, Inc. Common Stock, par value $0.0001 per share 6.3% $18,346,802 +$5,599,904 4,442,325 +44% CastleKnight Master Fund LP 31 Dec 2025
ASIX AdvanSix Inc. Common Stock, par value $0.01 per share 6.2% $39,826,530 1,666,382 CastleKnight Master Fund LP 07 May 2026
KLXE KLX Energy Services Holdings, Inc. Common Stock, $0.01 Par Value 5.6% $2,156,978 -$480,289 998,601 -18% CastleKnight Master Fund LP 31 Dec 2025
ALTG Alta Equipment Group Inc. Common stock, $0.0001 par value per share 5.5% $11,629,987 1,797,525 CastleKnight Master Fund LP 02 Jul 2026
AMCX AMC Global Media Inc. Class A Common Stock, par value $0.01 per share 5.4% $15,101,197 1,762,100 CastleKnight Master Fund LP 19 May 2026
NOVA Sunnova Energy International Inc. Common Stock, $0.0001 par value per share 5.3% $1,589,037 6,908,858 CastleKnight Master Fund LP 13 Mar 2025
LXU LSB Industries, Inc. Common Stock, Par Value $.10 4.5% $28,700,933 -$14,871,705 3,239,383 -34% CastleKnight Master Fund LP 31 Dec 2025
BW Babcock & Wilcox Enterprises, Inc. Common Stock, $0.01 par value 4.4% $4,549,559 4,332,913 CastleKnight Master Fund LP 30 Jun 2025
RENT Rent the Runway, Inc. Class A common stock, par value $0.001 per share 4.2% $820,680 -$375,658 166,470 -31% CASTLEKNIGHT MASTER FUND LP 30 Sep 2025
TEN TSAKOS ENERGY NAVIGATION LTD Common Shares, par value $5.00 per share 4.1% $30,876,958 -$25,612,851 1,230,648 -45% CastleKnight Master Fund LP 31 Dec 2025
UPLD Upland Software, Inc. Common stock, $0.0001 par value 3.7% $2,458,545 1,020,143 CastleKnight Master Fund LP 31 Dec 2024
TSE Trinseo PLC Ordinary Shares, par value $0.01 per share 1.4% $418,629 -$1,822,014 516,826 -81% CastleKnight Master Fund LP 31 Dec 2025
STKL SunOpta Inc. Common Shares, no par value 0% $0 -$47,628,000 0 -100% CastleKnight Master Fund LP 31 Mar 2026

Schedules 13D/G Reported by CastleKnight Master Fund LP:

Sym Target Class Ownership Change Current shares Change Value Reporting name Form Report period Filing date
Schedule rows are parsed from SEC 13D/G filings. Open the linked filing or target page to verify the reported ownership and shares.
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