Pinnbrook Capital Management
Pinnbrook Capital Management reported 88 stocks worth $601M in its 13F filing for Q2 2026, filed Aug 12, 2026. Its largest holdings are CSX (7.4%), KGS (4.9%) and JBL (3.8%). Compared with Q1 2026, the fund opened new positions in NTRA, PWR and TKR, added to CSX, KGS and JBL, trimmed MTZ, CW and EMBJ and sold out of SLB, LRCX and DVN.
Holdings
| # | Stock | Value | Weight | Shares | Change | Shares, 8 qtrs | Held |
|---|---|---|---|---|---|---|---|
| 1 |  CSX Csx Corp | $44.7M | 7.4% | 940K | +865K (+1157%) | 2 of 8 | |
| 2 |  KGS Kodiak Gas Svcs Inc | $29.4M | 4.9% | 392K | +217K (+124%) | 2 of 8 | |
| 3 |  JBL Jabil Inc | $22.7M | 3.8% | 59K | +37K (+167%) | 2 of 8 | |
| 4 |  NTRA Natera Inc | $18.8M | 3.1% | 69K | New position | 5 of 8 | |
| 5 |  WAB Wabtec | $18.6M | 3.1% | 69K | +61K (+760%) | 7 of 8 | |
| 6 |  PWR Quanta Svcs Inc | $17.1M | 2.8% | 24K | New position | 1 of 8 | |
| 7 |  TKR Timken Co | $16.5M | 2.7% | 114K | New position | 1 of 8 | |
| 8 |  ATI Ati Inc | $16.2M | 2.7% | 82K | +75K (+1090%) | 2 of 8 | |
| 9 |  TXN Texas Instrs Inc | $15M | 2.5% | 50K | New position | 1 of 8 | |
| 10 |  ARMK Aramark | $14.7M | 2.4% | 258K | New position | 1 of 8 |
Positions at Jun 30, 2026, as reported. Change is against the fund's Q1 2026 filing; weight is the share of the fund's reported stocks.
Sold out
held in Q1 2026, gone in Q2 2026| Stock | Value last quarter | Shares sold |
|---|---|---|
 SLB Slb Limited | $6.2M | 121K |
 LRCX Lam Research Corp | $6M | 28K |
 DVN Devon Energy Corp New | $6M | 118K |
 MRK Merck & Co Inc | $5.5M | 46K |
 LIN Linde PLC | $5M | 10K |
🔒 Free account: see all 16.
Options
valued at the underlying shares| Stock | Type | Value | Shares | Change |
|---|---|---|---|---|
 QQQ Invesco Qqq TR | Put | $110M | 150K | +150,000 |
 AMD Advanced Micro Devices Inc | Call | $38M | 65K | +65,400 |
 TSM Taiwan Semiconductor Mfg Ltd | Call | $26.7M | 56K | +56,000 |
 SNDK Sandisk Corp | Call | $26.1M | 12K | +11,500 |
 STX Seagate Technology Hldngs PL | Call | $25.5M | 26K | +26,400 |
🔒 Free account: see all 15.
Reported value
last 8 quartersThe value of the US stocks the fund reported, at quarter end prices. It moves with the market as well as with buying and selling.
Filings for Q2 2026
straight from the SEC| Filed | Form | Quarter | |
|---|---|---|---|
| Aug 12, 2026 | 13F-HR | Q2 2026 | SEC filing ↗ |
Other superinvestors
All hedge fund holdings →Pinnbrook Capital Management 13F FAQ
What does Pinnbrook Capital Management own?
Pinnbrook Capital Management reported 88 stocks worth $601M in its 13F filing for Q2 2026, filed Aug 12, 2026. Its largest holdings are CSX (7.4%), KGS (4.9%) and JBL (3.8%). The table above lists every position in the filing (the top 10 without an account).
What did Pinnbrook Capital Management buy and sell in Q2 2026?
Compared with Q1 2026: 71 new positions, 14 added to, 3 trimmed and 16 sold out. New positions include NTRA, PWR and TKR. It sold all of SLB, LRCX and DVN.
When will Pinnbrook Capital Management file its next 13F?
Holdings as of Sep 30, 2026 are due by Nov 16, 2026. The filing appears on this page within minutes of reaching the SEC.
How much is Pinnbrook Capital Management's portfolio worth?
The Q2 2026 filing reports $601M in US stocks ($938M including options). That leaves out cash, bonds, short positions and most foreign holdings, so the fund's total assets are usually larger.
For informational and educational purposes only. Not investment advice, and not a recommendation to buy or sell any security. Holdings come from the fund's SEC Form 13F filings as reported and show positions at the end of the quarter, up to 45 days before the filing. The fund may have changed its positions since. A 13F leaves out short positions, cash, bonds and most foreign holdings. See all hedge fund holdings.