Stocks/Funds/CIK 1856103

PINNBROOK CAPITAL MANAGEMENT LP

Quarterly 13F filings · Latest period 2026-03-31 · CIK 1856103
Assets
$122M
-21.0% YoY
Holdings
33
Lifetime alpha vs market
+22.34% annual
Average hold time
1.0 yr
median 0.8 yr

Quarterly history

Cum return +241% vs S&P +52% · α +189% lifetimeAUM $122M · peak $578MFlow $-305M (-79%)2021-122022-092023-062024-032024-122025-092026-03
AUM ($B)fundS&P 500(gap = α)/ Flow in/out

Behavior signals (lifetime)

Dip response
-40.57%
trims when stocks drop
when a holding falls −10%+
Middle response
-18.55%
baseline attrition
Rally response
-20.26%
trims into rallies
when a holding rises +10%+

Top positions · 30

Ticker$ value% portYoYHold time
MTZMasTec, Inc.$12M9.5%+175.7%1.0 yr
KGSKodiak Gas Services, Inc$10M8.3%+64.4%0.3 yr
CWCurtiss-Wright Corporati$7M5.6%+115.0%1.8 yr
SLBSLB N.V.$6M5.1%+26.7%0.8 yr
LRCXLam Research Corporation$6M4.9%+196.1%0.3 yr
DVNDevon Energy Corporation$6M4.9%+38.1%0.3 yr
JBLJabil Inc.$6M4.8%+95.5%0.3 yr
MRKMerck & Co., Inc.$6M4.5%+38.9%0.8 yr
ROSTRoss Stores, Inc.$5M4.2%+71.2%1.3 yr
LINLinde plc$5M4.1%+7.9%1.5 yr
SPHRSphere Entertainment Co.$5M4.1%+258.8%0.8 yr
AMATApplied Materials, Inc.$5M4.1%+137.6%1.3 yr
PRPermian Resources Corpor$4M3.4%+60.4%0.3 yr
WDCWestern Digital Corporat$4M2.9%+571.9%1.0 yr
TJXThe TJX Companies, Inc.$3M2.5%+32.7%2.5 yr

Portfolio composition (YoY)

Industry mix
Oil & Gas Equipment & Services15.9%+12.2pp$19M
Semiconductors10.2%$13M
Aerospace & Defense9.9%-17.1pp$12M
Engineering & Construction9.5%$12M
Oil & Gas Exploration & Production8.3%+6.6pp$10M
Apparel - Retail6.8%+4.0pp$8M
Hardware, Equipment & Parts4.8%$6M
Drug Manufacturers - General4.5%$6M
Railroads4.1%+1.2pp$5M
Chemicals - Specialty4.1%$5M
Country
US86.7%+10.8pp
GB8.2%-2.5pp
BR2.1%
NL1.2%
Unknown0.9%
SG0.8%
Top 5: 33.4% · Top 10: 55.9% · Top 25: 93.1%

Winners

TickerPrev $PnLYoY %
FTI$6M+0.01B119.3%
GEV$1M+0.00B186.8%
WAB$5M+0.00B38.5%
TJX$1M+0.00B32.7%

Losers

TickerPrev $PnLYoY %

Top buys this quarter · 14

KGS Kodiak Gas Services, Inc.new+$10M
LRCX Lam Research Corporationnew+$6M
DVN Devon Energy Corporationnew+$6M
JBL Jabil Inc.new+$6M
PR Permian Resources Corporationnew+$4M
SLB SLB N.V.+$3M
MTZ MasTec, Inc.+$3M
MRK Merck & Co., Inc.+$3M
CW Curtiss-Wright Corporation+$3M
MATX Matson, Inc.new+$1M

Top sells this quarter · 15

RBC RBC Bearings Incorporatedexit$14M
CHRW C.H. Robinson Worldwide, Inc.exit$14M
MKSI MKS Inc.exit$13M
LITE Lumentum Holdings Inc.$11M
AME AMETEK, Inc.exit$11M
CRS Carpenter Technology Corporati$11M
CX CEMEX, S.A.B. de C.V.exit$11M
NVT nVent Electric plc$10M
WWD Woodward, Inc.exit$9M
MOD Modine Manufacturing Company$8M

Quarterly history (TTM returns)

PeriodAUM# PosReturn (1yr)SPY (1yr)Alpha (1yr)Flow
2026-03-31$122M33+62.69%+17.59%+45.10%-0.31B
2025-12-31$387M84+50.62%+17.72%+32.90%-0.19B
2025-09-30$541M115+58.05%+17.52%+40.53%+0.10B
2025-06-30$382M69+52.04%+14.94%+37.10%+0.20B
2025-03-31$155M37+31.79%+8.30%+23.49%-0.14B
2024-12-31$285M65+52.61%+24.89%+27.72%-0.08B
2024-09-30$331M64+54.03%+36.04%+17.99%-0.04B
2024-06-30$331M48+41.25%+24.49%+16.76%-0.27B
2024-03-31$578M78+51.43%+29.62%+21.80%+0.07B
2023-12-31$428M58+50.69%+26.18%+24.51%+0.26B
2023-09-30$152M33+37.29%+21.57%+15.73%-0.02B
2023-06-30$169M39+31.40%+19.42%+11.98%-0.02B
2023-03-31$171M47+4.98%-7.82%+12.80%+0.12B
2022-12-31$45M25+2.58%+7.56%-4.98%-0.12B
2022-09-30$164M44-2.01%-4.93%+2.92%+0.09B
2022-06-30$78M33-11.42%-16.11%+4.69%+0.03B