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Super Investors / CastleKnight Management LP
CM

CastleKnight Management LP

Quarterly 13F snapshot: US-listed longs only, no performance figures — 13F data cannot support them.

Portfolio value
$7.38B
Positions
488
Quarter ended
June 30, 2026
Filed
August 14, 2026

Reported portfolio value by quarter (19 quarters reported)

$7.38B $485M
Q4 21 Q4 22 Q4 23 Q4 24 Q4 25 Q2 26

$485M in Q4 2021 → $7.38B now. Hover for any quarter.

Holdings

As reported for the quarter ended June 30, 2026. Activity is the change in share count since the prior quarter's filing.

Holding % of portfolio Activity Shares Value
IQ Invesco Qqq Tr Call 12.8% Added 75% 1,280,000 $943M
IT Ishares Tr Put 9.7% Added 44% 2,380,000 $715M
IT Ishares Tr Call 9.3% Added 65% 2,290,000 $688M
SS State Str SPDR S&P 500 ETF T Put 8.4% Trimmed 55% 830,000 $620M
IQ Invesco Qqq Tr Put 5.5% Added 323% 550,000 $405M
SS State Str SPDR S&P 500 ETF T Call 3.9% Trimmed 41% 390,000 $291M
Alphabet Inc Call 1.1% Added 175% 220,000 $78.6M
Nxp Semiconductors N V Call 1.0% New 250,000 $70.3M
Nvidia Corporation Call 0.8% Trimmed 30% 300,000 $60M
Celestica Inc Call 0.8% Trimmed 20% 160,000 $58.4M
Iren Limited 0.7% Added 47% 1,181,175 $54M
Meta Platforms Inc Call 0.7% Added 217% 95,000 $53.5M
Celestica Inc 0.7% Trimmed 22% 145,015 $52.9M
Nvidia Corporation 0.7% Trimmed 9.8% 262,300 $52.5M
Pbf Energy Inc 0.7% Added 8.3% 1,124,676 $51.2M
Amazon Com Inc Call 0.7% Added 250% 210,000 $50.1M
CH Community Health Sys Inc New 0.6% Added 5.7% 13,384,586 $44.7M
International Seaways Inc 0.6% Added 103% 580,911 $44.5M
MM Modine Mfg Co Call 0.6% New 165,000 $44.1M
Bitdeer Technologies Group 0.6% Added 2.6% 2,773,910 $44M
Nxp Semiconductors N V 0.6% New 148,900 $41.8M
Amazon Com Inc 0.5% Added 52% 170,090 $40.5M
Alphabet Inc 0.5% Added 27% 112,200 $40.1M
NA Nordic American Tankers Limi 0.5% Added 36% 7,172,359 $39.7M
Coreweave Inc 0.5% Added 45% 386,500 $38.5M
Dht Holdings Inc 0.5% Added 102% 2,242,216 $37.1M
Keel Infrastructure Corp 0.5% New 6,369,661 $36.6M
International Seaways Inc Call 0.5% New 470,000 $36M
Hudbay Minerals Inc 0.5% Added 41% 1,522,100 $35.9M
SE Starz Entertainment Corp. 0.5% Added 57% 1,242,780 $35.9M
Frontline PLC 0.4% Added 88% 943,700 $32.8M
Advansix Inc 0.4% Added 152% 1,590,318 $31.6M
Meta Platforms Inc 0.4% Added 529% 56,000 $31.5M
Ziff Davis Inc 0.4% Added 41% 596,254 $31.2M
Broadcom Inc 0.4% Added 35% 82,000 $31M
Fermi Inc 0.4% Added 2043% 3,292,022 $30.2M
Micron Technology Inc Call 0.4% Trimmed 95% 25,500 $29.4M
TS Taiwan Semiconductor Manufac 0.4% Added 0.3% 59,700 $28.5M
MS Madison Square Grdn Sprt Cor 0.4% Trimmed 21% 70,639 $28.4M
Tsakos Energy Navigation Ltd 0.4% Added 0.0% 799,594 $28.3M
LM Liftoff Mobile Inc 0.4% New 1,130,800 $27.2M
Talen Energy Corp Call 0.4% Added 367% 70,000 $26.9M
I Ishares Inc Call 0.4% New 130,000 $26.2M
Micron Technology Inc 0.3% Trimmed 85% 22,200 $25.6M
Teekay Tankers Ltd 0.3% Added 0.2% 391,036 $25.4M
Advantage Solutions Inc 0.3% Trimmed 22% 581,347 $25.1M
TP Torm PLC 0.3% Added 120% 949,724 $24.7M
PT Proshares Tr 0.3% Added 3.2% 706,549 $24.7M
TA Titan Amer Sa 0.3% Added 17% 1,318,207 $24.6M
Ero Copper Corp 0.3% Added 971% 910,184 $24.3M
Cvr Energy Inc 0.3% Trimmed 7.6% 876,573 $24.1M
EH Energizer Hldgs Inc 0.3% Added 81% 1,122,125 $24.1M
Carlyle Group Inc 0.3% Added 9.9% 519,576 $21.9M
Marvell Technology Inc Call 0.3% Trimmed 78% 70,000 $20.9M
Silicon Motion Technology Co 0.3% Trimmed 81% 61,475 $20.5M
Talen Energy Corp 0.3% Added 20% 53,000 $20.4M
IM Ingram Micro Hldg Corp 0.3% Added 127% 738,000 $20.2M
Dxc Technology Co 0.3% Added 246% 2,172,700 $19.2M
On Semiconductor Corp Call 0.3% New 200,000 $18.9M
Amc Global Media Inc 0.2% Added 66% 1,838,500 $18.3M

Showing top 60 of 488 positions.

Timeline of changes

What changed each quarter, from the filings' own share counts. Largest moves first; most recent 8 quarters.

Q2 2026

quarter ended June 30, 2026 · filed August 14, 2026

Company Action Shares changed Value of change % of portfolio
SS State Str SPDR S&P 500 ETF T Trimmed −1,000,000 −$747M 8.4%
Micron Technology Inc Trimmed −457,000 −$528M 0.4%
IQ Invesco Qqq Tr Added +550,000 +$405M 12.8%
IQ Invesco Qqq Tr Added +420,000 +$309M 5.5%
IT Ishares Tr Added +900,000 +$270M 9.3%
IT Ishares Tr Added +730,000 +$219M 9.7%
SS State Str SPDR S&P 500 ETF T Trimmed −270,000 −$202M 3.9%
Marvell Technology Inc Trimmed −483,900 −$144M 0.1%
Micron Technology Inc Trimmed −122,521 −$141M 0.3%
Sandisk Corp Exited −183,000 −$116M

Showing the 10 largest of 446 changes.

Q1 2026

quarter ended March 31, 2026 · filed May 15, 2026

Company Action Shares changed Value of change % of portfolio
SS State Str SPDR S&P 500 ETF T Added +1,030,000 +$670M 19.8%
IQ Invesco Qqq Tr Trimmed −445,000 −$257M 7.0%
SS State Str SPDR S&P 500 ETF T Added +245,000 +$159M 7.2%
IQ Invesco Qqq Tr Trimmed −220,000 −$127M 1.3%
IT Ishares Tr Added +430,000 +$107M 5.7%
Sandisk Corp Added +163,000 +$104M 1.9%
Nvidia Corporation New +430,000 +$75M 1.3%
MM Modine Mfg Co Trimmed −284,793 −$61.7M 0.2%
Vertiv Holdings Co Trimmed −245,200 −$61.4M 0.1%
Pbf Energy Inc New +1,240,000 +$59M 1.0%

Showing the 10 largest of 410 changes.

Q4 2025

quarter ended December 31, 2025 · filed February 17, 2026

Company Action Shares changed Value of change % of portfolio
SS SPDR S&P 500 ETF Tr Trimmed −400,000 −$273M 12.1%
Micron Technology Inc Trimmed −770,000 −$220M 2.7%
IQ Invesco Qqq Tr New +350,000 +$215M 4.8%
IT Ishares Tr Trimmed −560,000 −$138M 8.8%
IT Ishares Tr Added +420,000 +$103M 5.2%
SS SPDR S&P 500 ETF Tr Added +135,000 +$92.1M 6.3%
Vertiv Holdings Co Trimmed −380,000 −$61.6M 0.6%
Nvidia Corporation Exited −260,000 −$48.5M
MS Madison Square Grdn Sprt Cor Exited −160,000 −$36.3M
Broadcom Inc New +100,000 +$34.6M 0.8%

Showing the 10 largest of 416 changes.

Q3 2025

quarter ended September 30, 2025 · filed November 14, 2025

Company Action Shares changed Value of change % of portfolio
IT Ishares Tr Added +1,210,000 +$293M 10.4%
IQ Invesco Qqq Tr Added +445,000 +$267M 13.6%
SS SPDR S&P 500 ETF Tr Added +310,000 +$207M 15.8%
Micron Technology Inc Added +525,000 +$87.8M 4.0%
IT Ishares Tr Trimmed −325,000 −$78.6M 2.6%
Iren Limited Trimmed −1,274,425 −$59.8M 0.4%
Marvell Technology Inc Added +587,800 +$49.4M 1.1%
Celestica Inc Trimmed −160,200 −$39.5M 0.3%
Vertiv Holdings Co Added +250,000 +$37.7M 1.6%
MM Modine Mfg Co Added +235,000 +$33.4M 0.9%

Showing the 10 largest of 368 changes.

Q2 2025

quarter ended June 30, 2025 · filed August 14, 2025

Company Action Shares changed Value of change % of portfolio
SS SPDR S&P 500 ETF Tr Trimmed −245,000 −$151M 15.5%
IT Ishares Tr Added +685,000 +$148M 5.3%
SS SPDR S&P 500 ETF Tr Added +110,000 +$68M 5.4%
Micron Technology Inc Added +525,000 +$64.7M 2.3%
Coreweave Inc Trimmed −293,800 −$47.9M
IT Ishares Tr Added +185,000 +$39.9M 5.9%
MS Madison Square Grdn Sprt Cor New +184,200 +$38.5M 1.1%
Celestica Inc Trimmed −210,000 −$32.8M 0.6%
Vistra Corp Trimmed −160,000 −$31M 0.2%
Micron Technology Inc Added +238,900 +$29.4M 0.9%

Showing the 10 largest of 333 changes.

Q1 2025

quarter ended March 31, 2025 · filed May 15, 2025

Company Action Shares changed Value of change % of portfolio
IT Ishares Tr Trimmed −1,740,000 −$347M 1.4%
IQ Invesco Qqq Tr Trimmed −570,000 −$267M 13.4%
SS SPDR S&P 500 ETF Tr Trimmed −360,000 −$201M 4.4%
SS SPDR S&P 500 ETF Tr Added +345,000 +$193M 24.9%
Nvidia Corporation Trimmed −350,000 −$37.9M 0.4%
CI Chart Inds Inc Exited −140,000 −$26.7M
IT Ishares Tr New +310,000 +$24.5M 1.0%
IT Ishares Tr Added +115,000 +$22.9M 6.1%
MM Modine Mfg Co New +270,000 +$20.7M 0.8%
HP Hewlett Packard Enterprise C Exited −900,000 −$19.2M

Showing the 10 largest of 337 changes.

Q4 2024

quarter ended December 31, 2024 · filed February 14, 2025

Company Action Shares changed Value of change % of portfolio
IQ Invesco Qqq Tr New +1,300,000 +$665M 19.4%
IT Ishares Tr Added +1,450,000 +$320M 12.4%
SS SPDR S&P 500 ETF Tr Trimmed −440,000 −$258M 13.5%
IT Ishares Tr Trimmed −490,000 −$108M 4.3%
SS SPDR S&P 500 ETF Tr Added +80,000 +$46.9M 9.6%
Nvidia Corporation Added +340,000 +$45.7M 1.8%
Super Micro Computer Inc Exited −96,140 −$40M
CI Chart Inds Inc New +140,000 +$26.7M 0.8%
Celestica Inc Trimmed −285,600 −$26.4M 0.5%
IQ Invesco Qqq Tr New +40,000 +$20.4M 0.6%

Showing the 10 largest of 303 changes.

Q3 2024

quarter ended September 30, 2024 · filed November 14, 2024

Company Action Shares changed Value of change % of portfolio
SS SPDR S&P 500 ETF Tr Added +905,000 +$519M 29.1%
IQ Invesco Qqq Tr Exited −860,000 −$412M
SS SPDR S&P 500 ETF Tr Added +330,000 +$189M 11.3%
IT Ishares Tr Added +390,000 +$86.1M 4.3%
IQ Invesco Qqq Tr Exited −175,000 −$83.8M
IT Ishares Tr Added +160,000 +$35.3M 10.6%
Super Micro Computer Inc Added +79,610 +$33.1M 1.6%
CH Community Health Sys Inc New Trimmed −4,364,696 −$26.5M 1.0%
Western Digital Corp. Trimmed −370,000 −$25.3M 0.3%
Super Micro Computer Inc Exited −30,500 −$25M

Showing the 10 largest of 308 changes.

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