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Pinnbrook Capital Management LP: 13F holdings, Q2 2026

Hedge fund · SEC EDGAR filings (CIK 1856103) · Explore on the interactive board

Pinnbrook Capital Management LP disclosed 88 US equity positions worth $601.0m in its Q2 2026 13F filing (holdings as of June 30, 2026, filed August 12, 2026). Its largest position is CSX at 7.4% of the reported book, followed by KGS, JBL. The top ten holdings are 35.6% of the book, and the portfolio behaves like about 44 equal-weight positions. Versus the prior filing it opened 71 new positions, added to 14, reduced 3 and exited 15. Note: this manager's most recent filing is 3934 quarters behind the newest quarter on file, so these figures are history rather than current positioning.

This manager's most recent filing is 3934 quarter(s) behind the newest quarter on file. Treat these figures as history, not current positioning.
$601.0mreported US equity book
88positions
7.4%largest position
35.6%top 10 weight
44.19effective positions (1/HHI)
2quarters on file since Q1 2026

What does Pinnbrook Capital Management LP own? Top holdings as of June 30, 2026

Change is measured in shares against the previous filing (Q1 2026), so price moves do not read as decisions. This quarter: 71 new, 14 added, 3 reduced, 15 exited.

#StockSectorWeightValueSharesΔ sharesAction
1 CSX CSX CORP Industrials 7.4%$44.7m939,978 1157% added
2 KGS KODIAK GAS SVCS INC Energy 4.9%$29.4m391,854 124% added
3 JBL JABIL INC Technology 3.8%$22.7m58,867 167% added
4 NTRA NATERA INC Healthcare 3.1%$18.8m69,300 new
5 WAB WABTEC Industrials 3.1%$18.6m69,107 760% added
6 PWR QUANTA SVCS INC Industrials 2.8%$17.1m23,734 new
7 TKR TIMKEN CO Industrials 2.7%$16.5m113,500 new
8 ATI ATI INC Industrials 2.7%$16.2m82,081 1090% added
9 TXN TEXAS INSTRS INC Technology 2.5%$15.0m50,400 new
10 ARMK ARAMARK Industrials 2.4%$14.7m257,700 new
11 DTM DT MIDSTREAM INC Energy 2.4%$14.2m97,009 new
12 STX SEAGATE TECHNOLOGY HLDNGS PL Technology 2.2%$13.4m13,840 432% added
13 PFGC PERFORMANCE FOOD GROUP CO Consumer Defensive 2.1%$12.9m115,000 new
14 WDC WESTERN DIGITAL CORP Technology 2.0%$12.3m19,280 46% added
15 MTZ MASTEC INC Industrials 1.9%$11.3m27,243 -25% reduced
16 DBA INVESCO DB MULTI-SECTOR COMM 1.9%$11.2m421,600 new
17 VIK VIKING HOLDINGS LTD Consumer Cyclical 1.7%$10.0m95,300 533% added
18 KNX KNIGHT-SWIFT TRANSN HLDGS IN Industrials 1.7%$9.9m127,400 new
19 STM STMICROELECTRONICS N V Technology 1.6%$9.8m131,347 new
20 GOOGL ALPHABET INC Communication Services 1.5%$9.1m25,440 new
21 HWM HOWMET AEROSPACE INC Industrials 1.5%$9.0m33,317 new
22 SPHR SPHERE ENTERTAINMENT CO Communication Services 1.5%$8.9m51,208 20% added
23 NVT NVENT ELEC PLC Industrials 1.5%$8.8m52,110 207% added
24 MATX MATSON INC Industrials 1.5%$8.8m45,814 409% added
25 FTI TECHNIPFMC PLC Energy 1.4%$8.6m129,105 193% added
26 ROST ROSS STORES INC Consumer Cyclical 1.4%$8.4m39,593 65% added
27 ESE ESCO TECHNOLOGIES INC Technology 1.3%$8.0m22,960 new
28 LLY ELI LILLY & CO Healthcare 1.3%$8.0m6,640 new
29 SGI SOMNIGROUP INTERNATIONAL INC Consumer Cyclical 1.3%$8.0m101,429 new
30 SNX TD SYNNEX CORPORATION Technology 1.2%$7.4m27,600 new
31 VTR VENTAS INC Real Estate 1.2%$7.2m81,200 new
32 FLEX FLEX LTD Technology 1.2%$7.1m43,700 new
33 VLO VALERO ENERGY CORP Energy 1.2%$6.9m26,636 new
34 CDW CDW CORP Technology 1.0%$6.2m44,300 new
35 TWLO TWILIO INC Technology 1.0%$6.1m29,600 new
36 GFS GLOBALFOUNDRIES INC Technology 1.0%$5.9m71,600 new
37 WELL WELLTOWER INC Real Estate 1.0%$5.8m25,500 new
38 INIO INNIO NV Industrials 0.9%$5.7m142,900 new
39 MKSI MKS INC. Technology 0.9%$5.6m12,700 new
40 DOCN DIGITALOCEAN HLDGS INC Technology 0.9%$5.4m34,262 new
41 H HYATT HOTELS CORP Consumer Cyclical 0.9%$5.1m26,500 new
42 ARW ARROW ELECTRS INC Technology 0.8%$5.1m23,700 new
43 HUT HUT 8 CORP Financial Services 0.8%$5.0m43,200 new
44 CRL CHARLES RIV LABS INTL INC Healthcare 0.8%$4.8m21,300 new
45 TREX TREX INC Industrials 0.8%$4.7m93,900 new
46 DDOG DATADOG INC Technology 0.8%$4.6m17,655 new
47 TSM TAIWAN SEMICONDUCTOR MANUFAC Technology 0.7%$4.3m8,945 new
48 COHR COHERENT CORP Technology 0.7%$4.0m10,160 new
49 FTNT FORTINET INC Technology 0.7%$4.0m25,900 new
50 SNOW SNOWFLAKE INC Technology 0.6%$3.8m15,070 new

What did Pinnbrook Capital Management LP sell? Positions exited since the previous filing

StockPrior weightPrior value
SLB SLB LIMITED11.2%$6.2m
LRCX LAM RESEARCH CORP10.8%$6.0m
DVN DEVON ENERGY CORP NEW10.7%$6.0m
MRK MERCK & CO INC10.0%$5.5m
LIN LINDE PLC9.1%$5.0m
AMAT APPLIED MATLS INC9.0%$5.0m
PR PERMIAN RESOURCES CORP7.5%$4.2m
TJX TJX COS INC NEW5.6%$3.1m
BWXT BWX TECHNOLOGIES INC4.9%$2.7m
FIVE FIVE BELOW INC4.6%$2.6m
FDX FEDEX CORP4.4%$2.4m
CRS CARPENTER TECHNOLOGY CORP3.9%$2.2m
MOD MODINE MFG CO3.8%$2.1m
ASML ASML HLDG NV2.7%$1.5m
GEV GE VERNOVA INC1.8%$1.0m

Sector mix

SectorWeight
Industrials34.0%
Technology30.4%
Energy10.3%
Healthcare7.1%
Consumer Cyclical6.3%
Communication Services4.3%

Sectors cover positions whose ticker resolved to a sector; the remainder is unclassified, not cash.

Filing history

QuarterPositionsEquity value
Q2 202688$601.0m
Q1 202633$122.4m

How concentrated is Pinnbrook Capital Management LP's portfolio?

Across every quarter Pinnbrook Capital Management LP has filed, its median largest position is 8.5% of the book and its median top-ten weight is 45.7%, which WhaleCreep classifies as concentrated (the gate is a median largest position of 5%). Of 16.0 completed holding spells, the median lasted 1.0 quarters; 88.0 positions are still open and their final length is unknown.