CastleKnight Management LP
13F filer · CIK 1835751 · New York, NY
Summary
CastleKnight Management LP reported $7.38B across 488 positions in its 13F for 2026 Q2, filed Aug 14, 2026. The largest holdings are IREN (0.7%), CLS (0.7%), NVDA (0.7%). Versus 2026 Q1, leaving options aside, it opened 71 new positions, added to 107, trimmed 98 and sold out of 49.
Reported value$7.38B
Positions488incl. options
Report period2026 Q2
FiledAug 14, 2026
New positions71
Added107
Trimmed98
Sold out49
Top 25 holdings
By reported value, options listed separately · change vs 2026 Q1
Weight 0.7%Value $54.02MPrice $41.38Shares 1.18M +46.52%Since Jun 30 -9.51%
Weight 0.7%Value $52.90MPrice $366.47Shares 145K -21.79%Since Jun 30 +0.46%
Weight 0.7%Value $52.48MPrice $227.21Shares 262K -9.77%Since Jun 30 +13.55%
Weight 0.7%Value $51.20MPrice $75.23Shares 1.12M +8.32%Since Jun 30 +65.27%
Weight 0.6%Value $44.70MPrice $2.91Shares 13.38M +5.66%Since Jun 30 -12.87%
Weight 0.6%Value $44.49MPrice $110.24Shares 581K +102.55%Since Jun 30 +43.94%
Weight 0.6%Value $44.02MPrice $10.90Shares 2.77M +2.60%Since Jun 30 -31.32%
Weight 0.6%Value $41.85MPrice $236.47Shares 149KSince Jun 30 -15.86%
Weight 0.5%Value $40.54MPrice $246.67Shares 170K +51.61%Since Jun 30 +3.50%
Weight 0.5%Value $40.10MPrice $340.92Shares 112K +27.07%Since Jun 30 -4.60%
Weight 0.5%Value $39.73MPrice $7.98Shares 7.17M +36.26%Since Jun 30 +44.04%
Weight 0.5%Value $38.47MPrice $85.93Shares 387K +45.25%Since Jun 30 -13.67%
Weight 0.5%Value $37.06MPrice $22.42Shares 2.24M +102.27%Since Jun 30 +35.63%
Weight 0.5%Value $36.56MPrice $3.58Shares 6.37MSince Jun 30 -37.63%
Weight 0.5%Value $35.90MPrice $27.01Shares 1.52M +41.20%Since Jun 30 +14.53%
Weight 0.5%Value $35.87MPrice $22.18Shares 1.24M +57.18%Since Jun 30 -23.15%
Weight 0.4%Value $32.83MPrice $48.93Shares 944K +87.99%Since Jun 30 +40.64%
Weight 0.4%Value $31.62MPrice $16.01Shares 1.59M +151.72%Since Jun 30 -19.47%
Weight 0.4%Value $31.54MPrice $738.79Shares 56K +529.21%Since Jun 30 +31.16%
Weight 0.4%Value $31.23MPrice $56.33Shares 596K +41.13%Since Jun 30 +7.56%
Weight 0.4%Value $30.98MPrice $355.10Shares 82K +35.31%Since Jun 30 -6.00%
Weight 0.4%Value $30.15MPrice $4.28Shares 3.29M +2043.24%Since Jun 30 -53.28%
Weight 0.4%Value $28.51MPrice $456.94Shares 60K +0.34%Since Jun 30 -4.32%
Weight 0.4%Value $28.39MPrice $413.84Shares 71K -21.37%Since Jun 30 +2.99%
Weight 0.4%Value $28.28MPrice $47.17Shares 800K +0.03%Since Jun 30 +33.36%
| Stock | Weight | Value | Since Jun 30 | Shares change | Action |
|---|---|---|---|---|---|
| 0.7% | $54.02M | -9.51% | +46.52% | Add | |
| 0.7% | $52.90M | +0.46% | -21.79% | Trim | |
| 0.7% | $52.48M | +13.55% | -9.77% | Trim | |
| 0.7% | $51.20M | +65.27% | +8.32% | Add | |
| 0.6% | $44.70M | -12.87% | +5.66% | Add | |
| 0.6% | $44.49M | +43.94% | +102.55% | Add | |
| 0.6% | $44.02M | -31.32% | +2.60% | Add | |
| 0.6% | $41.85M | -15.86% | — | New | |
| 0.5% | $40.54M | +3.50% | +51.61% | Add | |
| 0.5% | $40.10M | -4.60% | +27.07% | Add | |
| 0.5% | $39.73M | +44.04% | +36.26% | Add | |
| 0.5% | $38.47M | -13.67% | +45.25% | Add | |
| 0.5% | $37.06M | +35.63% | +102.27% | Add | |
| 0.5% | $36.56M | -37.63% | — | New | |
| 0.5% | $35.90M | +14.53% | +41.20% | Add | |
| 0.5% | $35.87M | -23.15% | +57.18% | Add | |
| 0.4% | $32.83M | +40.64% | +87.99% | Add | |
| 0.4% | $31.62M | -19.47% | +151.72% | Add | |
| 0.4% | $31.54M | +31.16% | +529.21% | Add | |
| 0.4% | $31.23M | +7.56% | +41.13% | Add | |
| 0.4% | $30.98M | -6.00% | +35.31% | Add | |
| 0.4% | $30.15M | -53.28% | +2043.24% | Add | |
| 0.4% | $28.51M | -4.32% | +0.34% | Add | |
| 0.4% | $28.39M | +2.99% | -21.37% | Trim | |
| 0.4% | $28.28M | +33.36% | +0.03% | Add |
Weight is the share of the reported 13F value, including options at notional value. “Since Jun 30” compares the latest close with the quarter-end price implied by the filing (value ÷ shares).
Largest buys in 2026 Q2
Largest sells in 2026 Q2
Options
Notional value, listed apart from stocks · top 10 of 86
Source: SEC Form 13F, values as reported by the filer. Filings lag up to 45 days after quarter end and cover only certain long positions. Research only, not investment advice.