CastleKnight Management LP

CIK

1835751

City

New York

State / Country

NY

Stock

SIMO — Silicon Motion Technology CORP

Top Portfolio Positions

373 positions · $5,304,334,116 total · as of Mar 31, 2026

Ticker	Company	Shares	Value (USD)	% of Portfolio	Open
SPY	Spdr S&P 500 ETF Trust	2,490,000	$1,619,346,600	30.53%
QQQ	Invesco Qqq Trust, Series 1	860,000	$496,374,800	9.36%
MU	Micron Technology Inc Technology	627,221	$211,900,342	3.99%
SNDK	Sandisk Corp Technology	220,600	$140,156,004	2.64%
ALIT	Alight, Inc. / Delaware Technology	11,266,000	$131,293,964	2.48%
NVDA	Nvidia Corp Technology	720,700	$125,690,080	2.37%
CLS	Celestica Inc Technology	385,415	$108,563,697	2.05%
PBF	PBF Energy Inc. Energy	2,278,306	$108,492,931	2.05%
MRVL	Marvell Technology, Inc. Technology	819,700	$81,191,285	1.53%
SIMO	Silicon Motion Technology CORP Technology	503,475	$56,535,207	1.07%

Portfolio Trend

18 quarters · across all stocks

Holdings in SIMO

Compact Export CSV

Shares Held

Position Value (USD)

14 quarters on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$20,212,200	180,000	-44.4%	Call	Sole	2026-05-15
2026-03-31	$36,323,007	323,475	+293.3%	Shares	Sole	2026-05-15
2025-12-31	$7,623,277	82,236	+500.3%	Shares	Sole	2026-02-17
2025-12-31	$1,269,990	13,700	+178.2%	Call	Sole	2026-02-17
2024-12-31	$266,142	4,924	-79.8%	Shares	Sole	2025-02-14
2024-09-30	$1,477,439	24,324	-75.7%	Shares	Sole	2024-11-14
2024-06-30	$8,099,000	100,000	-11.5%	Call	Sole	2024-08-14
2024-06-30	$9,151,870	113,000	+13.0%	Shares	Sole	2024-08-14
2024-03-31	$7,694,000	100,000	-37.1%	Call	Sole	2024-05-15
2024-03-31	$12,239,230	159,075	+59.1%	Shares	Sole	2024-05-15
2023-12-31	$6,127,000	100,000	-40.1%	Call	Sole	2024-02-14
2023-12-31	$10,236,685	167,075	+67.1%	Shares	Sole	2024-02-14
2023-09-30	$5,125,000	100,000	-11.7%	Call	Sole	2023-11-14
2023-09-30	$5,801,500	113,200	—	Shares	Sole	2023-11-14
No 13F history on record for this holder in this stock.