CastleKnight Management LP 13F: Quarter-over-Quarter Portfolio Changes
CastleKnight Management LP reported a disclosed portfolio value of approximately $2.7 billion in its latest SEC Form 13F-HR filing for Q2 2026, up 28.3% quarter on quarter. Over the quarter, the fund initiated 70 new positions, bought more shares in 108 holdings, trimmed 100 holdings, and exited 48 positions.
CastleKnight Management LP's top buy was a new stake in Nxp Semiconductors N V (NXPI) , equal to 1.5% of the disclosed portfolio. Its top sell was Bitfarms LTD (1B2) . The fund exited the position completely after it had accounted for 1.0% of the previous portfolio.
New PositionsQ2 2026
Securities disclosed for the first time in Q2 2026 that were not present in the prior 13F-HR filing.
Top BuysQ2 2026
Showing the top 10 buys among 108 existing positions where the fund bought more shares in Q2 2026. Ranked by portfolio-weight impact, with the percentage of additional shares shown separately.
| Company | Ticker | Portfolio Weight Change | More Shares | History |
|---|---|---|---|---|
| FERMI INC | FRMI | +1.1% | +2043.2% | Holders → |
| CELSIUS HLDGS INC | CELH | +0.4% | +1227.4% | Holders → |
| ERO COPPER CORP | ERO | +0.8% | +970.8% | Holders → |
| ON SEMICONDUCTOR CORP | ON | +0.5% | +586.4% | Holders → |
| META PLATFORMS INC | META | +0.9% | +529.2% | Holders → |
| PHIBRO ANIMAL HEALTH CORP | PAHC | +0.3% | +507.8% | Holders → |
| M/I HOMES INC | MHO | +0.0% | +470.6% | Holders → |
| DOCUSIGN INC | DOCU | +0.1% | +399.3% | Holders → |
| PETCO HEALTH & WELLNESS CO I | WOOF | +0.1% | +389.9% | Holders → |
| LYFT INC | LYFT | +0.1% | +366.3% | Holders → |
Top SellsQ2 2026
Showing the top 10 sells among 100 existing positions where the fund sold shares in Q2 2026. Ranked by portfolio-weight impact. Full exits are listed separately.
| Company | Ticker | Portfolio Weight Change | Shares Sold | History |
|---|---|---|---|---|
| AMKOR TECHNOLOGY INC | AMKR | -0.5% | 98.2% | Holders → |
| MARVELL TECHNOLOGY INC | MRVL | -2.1% | 96.8% | Holders → |
| APOLLO GLOBAL MGMT INC | APO | -0.6% | 94.9% | Holders → |
| CF INDUSTRIES HOLD | CF | -0.8% | 94.2% | Holders → |
| ADVANCED MICRO DEVICES INC | AMD | -0.6% | 94.1% | Holders → |
| SANDISK CORP | SNDK | -0.9% | 93.8% | Holders → |
| NEBIUS GROUP N.V. | NBIS | -0.1% | 91.4% | Holders → |
| CIPHER DIGITAL INC | CIFR | -0.4% | 90.1% | Holders → |
| UPLAND SOFTWARE INC | UPLD | -0.0% | 90.0% | Holders → |
| ADEIA INC | ADEA | -0.2% | 89.4% | Holders → |
Full ExitsQ2 2026
Positions present in the prior 13F-HR filing that no longer appear in Q2 2026.
Net Portfolio Value ChangeQ2 2026
- $2.1BPrior quarter
- $2.7BCurrent quarter
- +$0.6BNet delta
- +28.3%% change
Methodology & FAQ
How CastleKnight Management LP Quarterly Changes Are Computed
All deltas are sourced from sequential SEC Form 13F-HR filings for CastleKnight Management LP: each row joins the most recent filing against the immediately preceding quarterly filing for the same fund. Share-count changes reflect reported trading activity, while portfolio weights can also move because of market price changes. Portfolio weights are normalized to exclude listed options for comparability. A complete description, including how confidential treatment filings are handled, is documented in the Methodology.
What stocks did CastleKnight Management LP buy in Q2 2026?
In Q2 2026, CastleKnight Management LP initiated 70 new positions (NXP SEMICONDUCTORS N V (NXPI), KEEL INFRASTRUCTURE CORP (KEEL), LIFTOFF MOBILE INC (LFTO), SK TELECOM CO LTD (SKM), WIX COM LTD (WIX), KEURIG DR PEPPER INC (KDP), VISHAY INTERTECHNOLOGY INC (VSH), CLEVELAND-CLIFFS INC NEW (CLF), SHARONAI HOLDINGS INC (SHAZ), LIMBACH HLDGS INC (LMB), ZOETIS INC (ZTS), FLOWERS FOODS INC (FLO), SPROUT SOCIAL INC (SPT), STMICROELECTRONICS NV (STM), CCC INTELLIGENT SOLUTIONS HL (CCC), AVANTOR INC (AVTR), BUILDERS FIRSTSOURCE INC (BLDR), MCCORMICK & CO INC (MKC), ISHARES INC (EWY), SIMPLY GOOD FOODS CO (SMPL), OKEANIS ECO TANKERS COR (ECO), HEWLETT PACKARD ENTERPRISE ORD (HPE), HILLMAN SOLUTIONS CORP (HLMN), BROWN FORMAN CORP (BF/B), INTERNATIONAL FLAVORS&FRAGRA (IFF), HERC HOLDINGS INC. (HRI), PHOTRONICS INC (PLAB), BELLRING BRANDS INC (BRBR), XEROX HOLDINGS CORP (UNKNOWN), SUJA LIFE INC (SUJA), HAYWARD HLDGS INC (HAYW), ZOOM COMMUNICATIONS INC (ZM), POOL CORP (POOL), FRONTIER GROUP HLDGS INC (ULCC), SAP SE SPON ADR (SAP), DREAM FINDERS HOMES INC (DFH), ARDAGH METAL PACKAGING S A (AMBP), SOUTHWEST AIRLS CO (LUV), BLUELINX HLDGS INC (BXC), MARRIOTT VACATIONS WDWIDE CORP (VAC), TRIMAS CORP (TRS), CHURCHILL DOWNS INC (CHDN), MASTERCARD INC-CLASS A (MA), FOX CORP (FOXA), ZOOMINFO TECHNOLOGIES INC (GTM), HILTON GRAND VACATIONS INC (HGV), SPRINKLR INC (CXM), QXO INC (QXO), OSCAR HEALTH INC (OSCR), VISA INC-CLASS A SHRS (V), SUPER MICRO COMPUTER INC (SMCI), X-ENERGY INC (XE), KB HOME (KBH), CARLISLE COS INC (CSL), METALLUS INC (MTUS), LGI HOMES INC (LGIH), MERITAGE HOMES CORP (MTH), TOLL BROTHERS INC (TOL), MARATHON PETE CORP (MPC), VALERO ENERGY CORP (VLO), TEXAS INSTRS INC (TXN), HYPERLIQUID STRATEGIES INC (PURR), LENNAR CORP (LEN), AXON ENTERPRISE INC (AXON), RYERSON HLDG CORP (RYZ), SKEENA RES LTD NEW (SKE), HAWKINS INC (HWKN), PAMT CORP (PAMT), LIBERTY MEDIA CORP DEL (SYN_530715AG6), INFLECTION PT ACQUISIT CORP (IPFXW)); bought more shares of FERMI INC (FRMI), CELSIUS HLDGS INC (CELH), ERO COPPER CORP (ERO), ON SEMICONDUCTOR CORP (ON), META PLATFORMS INC (META) (the largest 5 of 108 adds).
What stocks did CastleKnight Management LP sell in Q2 2026?
In Q2 2026, CastleKnight Management LP fully sold 48 positions (BITFARMS LTD (1B2), CHORD ENERGY CORPORATION (CHRD), DELTA AIR LINES INC (DAL), OPTIMUM COMMUNICATIONS INC (OPTU), APA CORPORATION (APA), CRESCENT ENERGY COMPANY (CRGY), MATADOR RESOURCES CO. (MTDR), NORTHERN OIL & GAS INC COM NEW (NOG), DIGITALBRIDGE GROUP INC (DBRG), SM ENERGY COMPANY (SM), W & T OFFSHORE INC (WTI), WHITEFIBER INC (WYFI), IES HOLDINGS INC (IESC), MURPHY OIL CORP (MUR), SUMMIT HOTEL PROPERTIES INC (INN), MGM RESORTS INTERNATIONAL (MGM), EXPRO GROUP HOLDINGS NV (XPRO), WESTROCK COFFEE CO (WEST), SPOTIFY TECHNOLOGY S A (SPOT), MISTER CAR WASH INC (MCW), SERVICE PPTYS TR (SVC), RILEY EXPLORATION PERMIAN IN (REPX), PRAIRIE OPER CO (PROP), XEROX HOLDINGS CORP (XRX 3.75 03/15/30), HIGHPEAK ENERGY INC (HPK), RING ENERGY INC (REI), ZILLOW GROUP INC (Z), PROPETRO HLDG CORP (PUMP), DELL TECHNOLOGIES INC (DELL), WOLFSPEED INC (WOLF 2.5 06/15/31), KKR & CO INC (KKR), SWEETGREEN INC (SG), HAYMAKER ACQUISITION CORP IV (HYAC), SELECT MED HLDGS CORP (SEM), SMART SAND INC (SND), LIONSGATE STUDIOS CORP (LION), DIGITALOCEAN HLDGS INC (DOCN), PENNANTPARK FLOATING RATE CA (PFLT), CALIFORNIA RES CORP (CRC), SAIA INC (SAIA), SPDR SERIES TRUST (XHB), EXPEDIA GROUP INC (EXPE), LIBERTY MEDIA CORP DEL (LINTA 4 11/15/29), SLEEP NUMBER CORP (SNBR), XBP GLOBAL HOLDINGS INC (XBP), HAYMAKER ACQUISITION CORP IV (SYN_G4375F116), BWX TECHNOLOGIES INC (BWXT), RACKSPACE TECHNOLOGY INC (RXT)); reduced holdings in AMKOR TECHNOLOGY INC (AMKR), MARVELL TECHNOLOGY INC (MRVL), APOLLO GLOBAL MGMT INC (APO), CF INDUSTRIES HOLD (CF), ADVANCED MICRO DEVICES INC (AMD) (the largest 5 of 100 reductions).
Which positions did CastleKnight Management LP initiate in Q2 2026?
CastleKnight Management LP established 70 new positions in Q2 2026: NXP SEMICONDUCTORS N V (NXPI, 1.5%), KEEL INFRASTRUCTURE CORP (KEEL, 1.3%), LIFTOFF MOBILE INC (LFTO, 1.0%), SK TELECOM CO LTD (SKM, 0.6%), WIX COM LTD (WIX, 0.6%), KEURIG DR PEPPER INC (KDP, 0.5%), VISHAY INTERTECHNOLOGY INC (VSH, 0.4%), CLEVELAND-CLIFFS INC NEW (CLF, 0.3%), SHARONAI HOLDINGS INC (SHAZ, 0.3%), LIMBACH HLDGS INC (LMB, 0.3%), ZOETIS INC (ZTS, 0.3%), FLOWERS FOODS INC (FLO, 0.3%), SPROUT SOCIAL INC (SPT, 0.3%), STMICROELECTRONICS NV (STM, 0.3%), CCC INTELLIGENT SOLUTIONS HL (CCC, 0.3%), AVANTOR INC (AVTR, 0.3%), BUILDERS FIRSTSOURCE INC (BLDR, 0.2%), MCCORMICK & CO INC (MKC, 0.2%), ISHARES INC (EWY, 0.2%), SIMPLY GOOD FOODS CO (SMPL, 0.2%), OKEANIS ECO TANKERS COR (ECO, 0.2%), HEWLETT PACKARD ENTERPRISE ORD (HPE, 0.2%), HILLMAN SOLUTIONS CORP (HLMN, 0.1%), BROWN FORMAN CORP (BF/B, 0.1%), INTERNATIONAL FLAVORS&FRAGRA (IFF, 0.1%), HERC HOLDINGS INC. (HRI, 0.1%), PHOTRONICS INC (PLAB, 0.1%), BELLRING BRANDS INC (BRBR, 0.1%), XEROX HOLDINGS CORP (UNKNOWN, 0.1%), SUJA LIFE INC (SUJA, 0.1%), HAYWARD HLDGS INC (HAYW, 0.1%), ZOOM COMMUNICATIONS INC (ZM, 0.1%), POOL CORP (POOL, 0.1%), FRONTIER GROUP HLDGS INC (ULCC, 0.1%), SAP SE SPON ADR (SAP, 0.1%), DREAM FINDERS HOMES INC (DFH, 0.1%), ARDAGH METAL PACKAGING S A (AMBP, 0.1%), SOUTHWEST AIRLS CO (LUV, 0.1%), BLUELINX HLDGS INC (BXC, 0.1%), MARRIOTT VACATIONS WDWIDE CORP (VAC, 0.1%), TRIMAS CORP (TRS, 0.1%), CHURCHILL DOWNS INC (CHDN, 0.1%), MASTERCARD INC-CLASS A (MA, 0.1%), FOX CORP (FOXA, 0.1%), ZOOMINFO TECHNOLOGIES INC (GTM, 0.1%), HILTON GRAND VACATIONS INC (HGV, 0.1%), SPRINKLR INC (CXM, 0.1%), QXO INC (QXO, 0.1%), OSCAR HEALTH INC (OSCR, 0.1%), VISA INC-CLASS A SHRS (V, 0.1%), SUPER MICRO COMPUTER INC (SMCI, 0.1%), X-ENERGY INC (XE, 0.1%), KB HOME (KBH, 0.0%), CARLISLE COS INC (CSL, 0.0%), METALLUS INC (MTUS, 0.0%), LGI HOMES INC (LGIH, 0.0%), MERITAGE HOMES CORP (MTH, 0.0%), TOLL BROTHERS INC (TOL, 0.0%), MARATHON PETE CORP (MPC, 0.0%), VALERO ENERGY CORP (VLO, 0.0%), TEXAS INSTRS INC (TXN, 0.0%), HYPERLIQUID STRATEGIES INC (PURR, 0.0%), LENNAR CORP (LEN, 0.0%), AXON ENTERPRISE INC (AXON, 0.0%), RYERSON HLDG CORP (RYZ, 0.0%), SKEENA RES LTD NEW (SKE, 0.0%), HAWKINS INC (HWKN, 0.0%), PAMT CORP (PAMT, 0.0%), LIBERTY MEDIA CORP DEL (SYN_530715AG6, 0.0%), INFLECTION PT ACQUISIT CORP (IPFXW, 0.0%).
Which existing positions saw the largest allocation increases for CastleKnight Management LP in Q2 2026?
Of 108 existing positions with share-count increases in Q2 2026, the largest were: FERMI INC (FRMI, +1.1% weight, +2043.2% shares), CELSIUS HLDGS INC (CELH, +0.4% weight, +1227.4% shares), ERO COPPER CORP (ERO, +0.8% weight, +970.8% shares), ON SEMICONDUCTOR CORP (ON, +0.5% weight, +586.4% shares), META PLATFORMS INC (META, +0.9% weight, +529.2% shares), PHIBRO ANIMAL HEALTH CORP (PAHC, +0.3% weight, +507.8% shares), M/I HOMES INC (MHO, +0.0% weight, +470.6% shares), DOCUSIGN INC (DOCU, +0.1% weight, +399.3% shares), PETCO HEALTH & WELLNESS CO I (WOOF, +0.1% weight, +389.9% shares), LYFT INC (LYFT, +0.1% weight, +366.3% shares).
Which positions did CastleKnight Management LP fully exit in Q2 2026?
CastleKnight Management LP fully exited 48 positions in Q2 2026: BITFARMS LTD (1B2, last-reported weight 1.0%), CHORD ENERGY CORPORATION (CHRD, last-reported weight 0.4%), DELTA AIR LINES INC (DAL, last-reported weight 0.3%), OPTIMUM COMMUNICATIONS INC (OPTU, last-reported weight 0.3%), APA CORPORATION (APA, last-reported weight 0.3%), CRESCENT ENERGY COMPANY (CRGY, last-reported weight 0.3%), MATADOR RESOURCES CO. (MTDR, last-reported weight 0.3%), NORTHERN OIL & GAS INC COM NEW (NOG, last-reported weight 0.3%), DIGITALBRIDGE GROUP INC (DBRG, last-reported weight 0.2%), SM ENERGY COMPANY (SM, last-reported weight 0.2%), W & T OFFSHORE INC (WTI, last-reported weight 0.2%), WHITEFIBER INC (WYFI, last-reported weight 0.2%), IES HOLDINGS INC (IESC, last-reported weight 0.2%), MURPHY OIL CORP (MUR, last-reported weight 0.2%), SUMMIT HOTEL PROPERTIES INC (INN, last-reported weight 0.2%), MGM RESORTS INTERNATIONAL (MGM, last-reported weight 0.2%), EXPRO GROUP HOLDINGS NV (XPRO, last-reported weight 0.2%), WESTROCK COFFEE CO (WEST, last-reported weight 0.1%), SPOTIFY TECHNOLOGY S A (SPOT, last-reported weight 0.1%), MISTER CAR WASH INC (MCW, last-reported weight 0.1%), SERVICE PPTYS TR (SVC, last-reported weight 0.1%), RILEY EXPLORATION PERMIAN IN (REPX, last-reported weight 0.1%), PRAIRIE OPER CO (PROP, last-reported weight 0.1%), XEROX HOLDINGS CORP (XRX 3.75 03/15/30, last-reported weight 0.1%), HIGHPEAK ENERGY INC (HPK, last-reported weight 0.1%), RING ENERGY INC (REI, last-reported weight 0.1%), ZILLOW GROUP INC (Z, last-reported weight 0.1%), PROPETRO HLDG CORP (PUMP, last-reported weight 0.1%), DELL TECHNOLOGIES INC (DELL, last-reported weight 0.1%), WOLFSPEED INC (WOLF 2.5 06/15/31, last-reported weight 0.1%), KKR & CO INC (KKR, last-reported weight 0.1%), SWEETGREEN INC (SG, last-reported weight 0.0%), HAYMAKER ACQUISITION CORP IV (HYAC, last-reported weight 0.0%), SELECT MED HLDGS CORP (SEM, last-reported weight 0.0%), SMART SAND INC (SND, last-reported weight 0.0%), LIONSGATE STUDIOS CORP (LION, last-reported weight 0.0%), DIGITALOCEAN HLDGS INC (DOCN, last-reported weight 0.0%), PENNANTPARK FLOATING RATE CA (PFLT, last-reported weight 0.0%), CALIFORNIA RES CORP (CRC, last-reported weight 0.0%), SAIA INC (SAIA, last-reported weight 0.0%), SPDR SERIES TRUST (XHB, last-reported weight 0.0%), EXPEDIA GROUP INC (EXPE, last-reported weight 0.0%), LIBERTY MEDIA CORP DEL (LINTA 4 11/15/29, last-reported weight 0.0%), SLEEP NUMBER CORP (SNBR, last-reported weight 0.0%), XBP GLOBAL HOLDINGS INC (XBP, last-reported weight 0.0%), HAYMAKER ACQUISITION CORP IV (SYN_G4375F116, last-reported weight 0.0%), BWX TECHNOLOGIES INC (BWXT, last-reported weight 0.0%), RACKSPACE TECHNOLOGY INC (RXT, last-reported weight 0.0%).
Which existing positions saw the largest allocation reductions for CastleKnight Management LP in Q2 2026?
Of 100 existing positions with share-count reductions in Q2 2026, the largest were: AMKOR TECHNOLOGY INC (AMKR, -0.5% weight, -98.2% shares), MARVELL TECHNOLOGY INC (MRVL, -2.1% weight, -96.8% shares), APOLLO GLOBAL MGMT INC (APO, -0.6% weight, -94.9% shares), CF INDUSTRIES HOLD (CF, -0.8% weight, -94.2% shares), ADVANCED MICRO DEVICES INC (AMD, -0.6% weight, -94.1% shares), SANDISK CORP (SNDK, -0.9% weight, -93.8% shares), NEBIUS GROUP N.V. (NBIS, -0.1% weight, -91.4% shares), CIPHER DIGITAL INC (CIFR, -0.4% weight, -90.1% shares), UPLAND SOFTWARE INC (UPLD, -0.0% weight, -90.0% shares), ADEIA INC (ADEA, -0.2% weight, -89.4% shares).
Do quarter-over-quarter 13F allocation changes constitute explicit trading signals?
No. Quarter-over-quarter changes reflect a combination of active trading and market price movement. A weight increase can result from price appreciation alone, without the manager adding shares. Share-count delta is the cleaner indicator of explicit trading activity. All deltas on this page are sourced from sequential SEC Form 13F-HR filings.