Filed: 2/17/2026ACC: 0000919574-26-001183
📋 What this filing means
CASTLEKNIGHT MANAGEMENT LP filed this quarterly 13F‑HR report disclosing 319 equity positions with a total reported market value of $4.51B. This filing provides a transparent view of the manager's long equity holdings as of the quarter end.
319
Positions
$4.51B
Total AUM (reported)
162.11M
Total Shares
Allocation by class
COM$1.30B28.7%
UNIT SER 1$949.11M21.0%
TR UNIT$828.53M18.4%
RUSSELL 2000 ETF$635.09M14.1%
CL A$159.21M3.5%
COM CL A$138.32M3.1%
SHS$61.25M1.4%
Portfolio Concentration
Top 3$2.41B53.4%
4–10$531.83M11.8%
11–25$464.28M10.3%
Rest$1.11B24.5%
Top 3 weight
53.4%
Top 10 weight
65.2%
Voting Authority Distribution
Total shares with voting rights: 162.11M
Sole
Full voting authority
162.11M
shares
% of voting shares100.0%
Shared
Joint voting authority
0.00
shares
% of voting shares0.0%
None
No voting authority
0.00
shares
% of voting shares0.0%
Investment Discretion (by position count)
Sole319
Shared0
Other0
Dominant voting typeSole · 100.0% of voting shares
Institutional Holdings319
Rows:
INVESCO QQQ TR
SOLEShares1.54M
TypeSH
Market value$949.11M
21.02%
Sole
1.54M
Shared
0.00
None
0.00
SPDR S&P 500 ETF TR
SOLEShares1.22M
TypeSH
Market value$828.53M
18.35%
Sole
1.22M
Shared
0.00
None
0.00
ISHARES TR
SOLEShares2.58M
TypeSH
Market value$635.09M
14.07%
Sole
2.58M
Shared
0.00
None
0.00
MICRON TECHNOLOGY INC
SOLEShares662.62K
TypeSH
Market value$189.12M
4.19%
Sole
662.62K
Shared
0.00
None
0.00
MODINE MFG CO
SOLEShares560.55K
TypeSH
Market value$74.84M
1.66%
Sole
560.55K
Shared
0.00
None
0.00
VERTIV HOLDINGS CO
SOLEShares444.70K
TypeSH
Market value$72.05M
1.60%
Sole
444.70K
Shared
0.00
None
0.00
MARVELL TECHNOLOGY INC
SOLEShares792.80K
TypeSH
Market value$67.37M
1.49%
Sole
792.80K
Shared
0.00
None
0.00
HUT 8 CORP
SOLEShares964.70K
TypeSH
Market value$44.32M
0.98%
Sole
964.70K
Shared
0.00
None
0.00
META PLATFORMS INC
SOLEShares63.88K
TypeSH
Market value$42.17M
0.93%
Sole
63.88K
Shared
0.00
None
0.00
CELESTICA INC
SOLEShares141.97K
TypeSH
Market value$41.97M
0.93%
Sole
141.97K
Shared
0.00
None
0.00
BROADCOM INC
SOLEShares118.80K
TypeSH
Market value$41.12M
0.91%
Sole
118.80K
Shared
0.00
None
0.00
NVIDIA CORPORATION
SOLEShares201.10K
TypeSH
Market value$37.51M
0.83%
Sole
201.10K
Shared
0.00
None
0.00
AMAZON COM INC
SOLEShares161.19K
TypeSH
Market value$37.21M
0.82%
Sole
161.19K
Shared
0.00
None
0.00
TEEKAY TANKERS LTD
SOLEShares675.77K
TypeSH
Market value$36.10M
0.80%
Sole
675.77K
Shared
0.00
None
0.00
ALPHABET INC
SOLEShares109.90K
TypeSH
Market value$34.40M
0.76%
Sole
109.90K
Shared
0.00
None
0.00
SUNOPTA INC
SOLEShares8.20M
TypeSH
Market value$31.18M
0.69%
Sole
8.20M
Shared
0.00
None
0.00
COMMUNITY HEALTH SYS INC NEW
SOLEShares9.75M
TypeSH
Market value$30.42M
0.67%
Sole
9.75M
Shared
0.00
None
0.00
DIGITALBRIDGE GROUP INC
SOLEShares1.96M
TypeSH
Market value$30.12M
0.67%
Sole
1.96M
Shared
0.00
None
0.00
MADISON SQUARE GRDN SPRT COR
SOLEShares110.20K
TypeSH
Market value$28.50M
0.63%
Sole
110.20K
Shared
0.00
None
0.00
TSAKOS ENERGY NAVIGATION LTD
SOLEShares1.23M
TypeSH
Market value$27.59M
0.61%
Sole
1.23M
Shared
0.00
None
0.00
LSB INDS INC
SOLEShares3.24M
TypeSH
Market value$27.53M
0.61%
Sole
3.24M
Shared
0.00
None
0.00
SANDISK CORP
SOLEShares115K
TypeSH
Market value$27.30M
0.60%
Sole
115K
Shared
0.00
None
0.00
SANMINA CORPORATION
SOLEShares181.20K
TypeSH
Market value$27.19M
0.60%
Sole
181.20K
Shared
0.00
None
0.00
PROSHARES TR
SOLEShares704.95K
TypeSH
Market value$24.63M
0.55%
Sole
704.95K
Shared
0.00
None
0.00
BITDEER TECHNOLOGIES GROUP
SOLEShares2.10M
TypeSH
Market value$23.49M
0.52%
Sole
2.10M
Shared
0.00
None
0.00
| Issuer | Class | Shares | Type | Value / Portfolio % | Voting — Sole | Shared | None |
|---|---|---|---|---|---|---|---|
INVESCO QQQ TRSOLE | UNIT SER 1 | 1.54M | SH | $949.11M 21.02% | 1.54M | 0.00 | 0.00 |
SPDR S&P 500 ETF TRSOLE | TR UNIT | 1.22M | SH | $828.53M 18.35% | 1.22M | 0.00 | 0.00 |
ISHARES TRSOLE | RUSSELL 2000 ETF | 2.58M | SH | $635.09M 14.07% | 2.58M | 0.00 | 0.00 |
MICRON TECHNOLOGY INCSOLE | COM | 662.62K | SH | $189.12M 4.19% | 662.62K | 0.00 | 0.00 |
MODINE MFG COSOLE | COM | 560.55K | SH | $74.84M 1.66% | 560.55K | 0.00 | 0.00 |
VERTIV HOLDINGS COSOLE | COM CL A | 444.70K | SH | $72.05M 1.60% | 444.70K | 0.00 | 0.00 |
MARVELL TECHNOLOGY INCSOLE | COM | 792.80K | SH | $67.37M 1.49% | 792.80K | 0.00 | 0.00 |
HUT 8 CORPSOLE | COM | 964.70K | SH | $44.32M 0.98% | 964.70K | 0.00 | 0.00 |
META PLATFORMS INCSOLE | CL A | 63.88K | SH | $42.17M 0.93% | 63.88K | 0.00 | 0.00 |
CELESTICA INCSOLE | COM | 141.97K | SH | $41.97M 0.93% | 141.97K | 0.00 | 0.00 |
BROADCOM INCSOLE | COM | 118.80K | SH | $41.12M 0.91% | 118.80K | 0.00 | 0.00 |
NVIDIA CORPORATIONSOLE | COM | 201.10K | SH | $37.51M 0.83% | 201.10K | 0.00 | 0.00 |
AMAZON COM INCSOLE | COM | 161.19K | SH | $37.21M 0.82% | 161.19K | 0.00 | 0.00 |
TEEKAY TANKERS LTDSOLE | CL A | 675.77K | SH | $36.10M 0.80% | 675.77K | 0.00 | 0.00 |
ALPHABET INCSOLE | CAP STK CL A | 109.90K | SH | $34.40M 0.76% | 109.90K | 0.00 | 0.00 |
SUNOPTA INCSOLE | COM | 8.20M | SH | $31.18M 0.69% | 8.20M | 0.00 | 0.00 |
COMMUNITY HEALTH SYS INC NEWSOLE | COM | 9.75M | SH | $30.42M 0.67% | 9.75M | 0.00 | 0.00 |
DIGITALBRIDGE GROUP INCSOLE | CL A NEW | 1.96M | SH | $30.12M 0.67% | 1.96M | 0.00 | 0.00 |
MADISON SQUARE GRDN SPRT CORSOLE | CL A | 110.20K | SH | $28.50M 0.63% | 110.20K | 0.00 | 0.00 |
TSAKOS ENERGY NAVIGATION LTDSOLE | SHS | 1.23M | SH | $27.59M 0.61% | 1.23M | 0.00 | 0.00 |
LSB INDS INCSOLE | COM | 3.24M | SH | $27.53M 0.61% | 3.24M | 0.00 | 0.00 |
SANDISK CORPSOLE | COM | 115K | SH | $27.30M 0.60% | 115K | 0.00 | 0.00 |
SANMINA CORPORATIONSOLE | COM | 181.20K | SH | $27.19M 0.60% | 181.20K | 0.00 | 0.00 |
PROSHARES TRSOLE | PSHS ULTSH 20YRS | 704.95K | SH | $24.63M 0.55% | 704.95K | 0.00 | 0.00 |
BITDEER TECHNOLOGIES GROUPSOLE | CL A ORD SHS | 2.10M | SH | $23.49M 0.52% | 2.10M | 0.00 | 0.00 |
Page 1 of 13
…