PINNBROOK CAPITAL MANAGEMENT LP — 13F Holdings & Portfolio
CIK 1856103 · latest 13F-HR filed 2026-05-14
PINNBROOK CAPITAL MANAGEMENT LP manages $383.9M in 13F-reported U.S. long-equity assets across 45 reported positions as of its 2026-03-31 13F-HR filing. Its largest disclosed positions are BKLN (23.93%), WDC (10.54%), SMH (5.54%). Quarter over quarter (versus its 2025-12-31 filing) the fund opened 14 new positions, exited 65, added to 8, and trimmed 11.
AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.
$383.9M
Long-equity book
45
Distinct positions
2026-03-31
Filed 2026-05-14
+14 / −65 / ↑8 / ↓11
vs 2025-12-31
| Name | Title / Status | Ownership | Type |
|---|
Top Adds (vs prior quarter)
- MASTEC INC$6.0M +104.6%
- CURTISS WRIGHT CORP$3.4M +96.3%
- MERCK & CO INC$3.1M +126.3%
- EMBRAER S.A.$1.8M +234.7%
- APPLIED MATLS INC$1.6M +47.0%
Top Trims
- CARPENTER TECHNOLOGY CORP-$8.4M -79.4%
- WABTEC-$5.7M -74.1%
- LUMENTUM HLDGS INC-$5.7M -91.9%
- CIENA CORP-$3.7M -82.1%
- WESTERN DIGITAL CORP-$3.5M -49.8%
New Positions
- KODIAK GAS SVCS INC$10.2M
- SLB LIMITED$6.2M
- LAM RESEARCH CORP$6.0M
- DEVON ENERGY CORP NEW$6.0M
- JABIL INC$5.9M
Exited Positions
- ISHARES TR$18.6M
- C H ROBINSON WORLDWIDE INC$13.5M
- RBC BEARINGS INC$11.8M
- SELECT SECTOR SPDR TR$11.8M
- AMETEK INC$10.7M
Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).
| # | Issuer | Symbol | CUSIP | Value | Weight | Shares | Type |
|---|---|---|---|---|---|---|---|
| 1 | INVESCO EXCH TRADED FD TR II Put | BKLN | 46138G508 | $91.8M | 23.93% | 4,500,000 | SH |
| 2 | WESTERN DIGITAL CORP Call | WDC | 958102105 | $40.5M | 10.54% | 149,600 | SH |
| 3 | VANECK ETF TRUST Put | SMH | 92189F676 | $21.3M | 5.54% | 55,500 | SH |
| 4 | CORNING INC Call | GLW | 219350105 | $19.0M | 4.96% | 140,000 | SH |
| 5 | GE VERNOVA INC Call | GEV | 36828A101 | $17.5M | 4.55% | 20,000 | SH |
| 6 | ALCOA CORP Call | AA | 013872106 | $16.6M | 4.32% | 250,000 | SH |
| 7 | BP PLC Call | BP | 055622104 | $14.1M | 3.67% | 300,000 | SH |
| 8 | SLB LIMITED Call | SLB | 806857108 | $13.1M | 3.41% | 255,000 | SH |
| 9 | MASTEC INC | MTZ | 576323109 | $11.6M | 3.03% | 36,187 | SH |
| 10 | KODIAK GAS SVCS INC | KGS | 50012A108 | $10.2M | 2.66% | 174,847 | SH |
| 11 | CIENA CORP Call | CIEN | 171779309 | $9.5M | 2.48% | 24,500 | SH |
| 12 | DEVON ENERGY CORP NEW Call | DVN | 25179M103 | $7.0M | 1.84% | 140,000 | SH |
| 13 | LUMENTUM HLDGS INC Call | LITE | 55024U109 | $7.0M | 1.83% | 10,000 | SH |
| 14 | CURTISS WRIGHT CORP | CW | 231561101 | $6.9M | 1.78% | 10,059 | SH |
| 15 | SLB LIMITED | SLB | 806857108 | $6.2M | 1.62% | 120,801 | SH |
| 16 | LAM RESEARCH CORP | LRCX | 512807306 | $6.0M | 1.56% | 28,100 | SH |
| 17 | DEVON ENERGY CORP NEW | DVN | 25179M103 | $6.0M | 1.55% | 118,292 | SH |
| 18 | JABIL INC | JBL | 466313103 | $5.9M | 1.52% | 22,035 | SH |
| 19 | MERCK & CO INC | MRK | 58933Y105 | $5.5M | 1.44% | 46,098 | SH |
| 20 | ROSS STORES INC | ROST | 778296103 | $5.2M | 1.35% | 23,927 | SH |
| 21 | LINDE PLC | LIN | G54950103 | $5.0M | 1.31% | 10,141 | SH |
| 22 | SPHERE ENTERTAINMENT CO | SPHR | 55826T102 | $5.0M | 1.31% | 42,810 | SH |
| 23 | APPLIED MATLS INC | AMAT | 038222105 | $5.0M | 1.31% | 14,700 | SH |
| 24 | PERMIAN RESOURCES CORP | PR | 71424F105 | $4.2M | 1.08% | 194,756 | SH |
| 25 | CEMEX SA EURO MTN BE 144A Call | CX | 151290889 | $4.0M | 1.04% | 350,000 | SH |
| 26 | WESTERN DIGITAL CORP | WDC | 958102105 | $3.6M | 0.93% | 13,200 | SH |
| 27 | TJX COS INC NEW | TJX | 872540109 | $3.1M | 0.81% | 19,507 | SH |
| 28 | CSX CORP | CSX | 126408103 | $3.1M | 0.80% | 74,800 | SH |
| 29 | TECHNIPFMC PLC | FTI | G87110105 | $3.1M | 0.79% | 44,130 | SH |
| 30 | BWX TECHNOLOGIES INC | BWXT | 05605H100 | $2.7M | 0.70% | 13,200 | SH |
| 31 | FIVE BELOW INC | FIVE | 33829M101 | $2.6M | 0.67% | 11,290 | SH |
| 32 | EMBRAER S.A. | EMBJ | 29082A107 | $2.5M | 0.66% | 42,681 | SH |
| 33 | FEDEX CORP | FDX | 31428X106 | $2.4M | 0.64% | 6,874 | SH |
| 34 | CARPENTER TECHNOLOGY CORP | CRS | 144285103 | $2.2M | 0.56% | 5,500 | SH |
| 35 | MODINE MFG CO | MOD | 607828100 | $2.1M | 0.55% | 9,700 | SH |
| 36 | NVENT ELEC PLC | NVT | G6700G107 | $2.0M | 0.52% | 17,000 | SH |
| 37 | WABTEC | WAB | 929740108 | $2.0M | 0.52% | 8,036 | SH |
| 38 | ASML HLDG NV | ASML | N07059210 | $1.5M | 0.39% | 1,120 | SH |
| 39 | MATSON INC | MATX | 57686G105 | $1.5M | 0.38% | 9,000 | SH |
| 40 | VIKING HOLDINGS LTD | VIK | G93A5A101 | $1.1M | 0.29% | 15,049 | SH |
| 41 | SEAGATE TECHNOLOGY HLDNGS PL | STX | G7997R103 | $1.0M | 0.27% | 2,600 | SH |
| 42 | GE VERNOVA INC | GEV | 36828A101 | $1.0M | 0.26% | 1,160 | SH |
| 43 | ATI INC | ATI | 01741R102 | $1.0M | 0.26% | 6,900 | SH |
| 44 | CIENA CORP | CIEN | 171779309 | $801.7K | 0.21% | 2,065 | SH |
| 45 | LUMENTUM HLDGS INC | LITE | 55024U109 | $508.1K | 0.13% | 723 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-03-31 | 2026-05-14 | $383.9M | 45 | 0001856103-26-000003 |
| 2025-12-31 | 2026-02-06 | $715.0M | 105 | 0001856103-26-000002 |
| 2025-09-30 | 2025-11-13 | $903.9M | 139 | 0001856103-25-000010 |