CastleKnight Management LP

CIK 0001835751 · NEW YORK, NY · Quarter end: 2026-06-30 · Filed on: 2026-08-14 · Open the SEC source

CastleKnight Management LP reported 488 positions worth $7.38B as of June 30, 2026 (13F filed August 14, 2026). Largest holding: QQQ (12.8%).

Portfolio Value (AUM)Total value of the fund's US stock portfolio reported to the SEC.
$7.38B
2026 Q2
Positions
488
Top-10 ConcentrationHow much of the portfolio sits in the 10 largest holdings. High = concentrated bets.
53.2%
Est. Net Flow (Q)
2026 Q2
10 / 488 positions shown
#SymbolCompanyTypeValue% Port.Shares1YYTD
1QQQINVESCO QQQ TRCALL$942.6M12.77%1,280,000
2IWMISHARES TRPUT$715.1M9.68%2,380,000
3IWMISHARES TRCALL$688.0M9.32%2,290,000
4SPYSTATE STR SPDR S&P 500 ETF TPUT$619.8M8.39%830,000
5QQQINVESCO QQQ TRPUT$405.0M5.49%550,000
6SPYSTATE STR SPDR S&P 500 ETF TCALL$291.2M3.94%390,000
7GOOGLALPHABET INCCALL$78.6M1.06%220,000
8NXPINXP SEMICONDUCTORS N VCALL$70.3M0.95%250,000
9NVDANVIDIA CORPORATIONCALL$60.0M0.81%300,000
10CLSCELESTICA INCCALL$58.4M0.79%160,000

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Read the 2026-Q2 quarterly report · 13F Filing Calendar

Frequently Asked Questions

What stocks does CastleKnight Management LP hold as of Q2 2026?

CastleKnight Management LP reported 488 positions worth $7.38B in its Q2 2026 13F filing. Largest positions: QQQ (12.8%), IWM (9.7%), IWM (9.3%), SPY (8.4%) and QQQ (5.5%).

What did CastleKnight Management LP buy in Q2 2026?

No previous quarter is available yet; the comparison appears with the next filing.

What did CastleKnight Management LP sell in Q2 2026?

No previous quarter is available yet.

13F data shows quarter-end positions, is delayed by up to 45 days and covers only long positions in US-listed securities; short positions, most derivatives and non-US assets are not reported.