Stocks/Funds/CIK 2052310

SummitTX Capital, L.P.

index-like (500+ pos)
Quarterly 13F filings · Latest period 2026-03-31 · CIK 2052310
Assets
$3.12B
+37.8% YoY
Holdings
735
Lifetime alpha vs market
+9.35% annual
Average hold time
0.7 yr
median 0.8 yr

Quarterly history

Cum return +29% vs S&P +18% · α +11% lifetimeAUM $3.1B · peak $3.3BFlow $-355M (-11%)2025-032025-062025-092025-122026-03
AUM ($B)fundS&P 500(gap = α)/ Flow in/out

Behavior signals (lifetime)

Dip response
-17.76%
trims when stocks drop
when a holding falls −10%+
Middle response
-11.82%
baseline attrition
Rally response
-23.88%
trims into rallies
when a holding rises +10%+

Top positions · 30

Ticker$ value% portYoYHold time
SPYState Street SPDR S&P 50$471M15.1%+17.6%0.8 yr
QQQInvesco QQQ Trust, Serie$166M5.3%1.3 yr
RSPInvesco S&P 500 Equal We$45M1.4%1.0 yr
ASMLASML Holding N.V.$37M1.2%+100.9%1.0 yr
MKSIMKS Inc.$37M1.2%+188.8%1.3 yr
MDYState Street SPDR S&P MI$33M1.1%0.5 yr
GFFGriffon Corporation$30M1.0%+2.7%1.3 yr
MTHMeritage Homes Corporati$29M0.9%-10.5%1.3 yr
CTRACoterra Energy Inc.$28M0.9%+25.8%0.3 yr
BLDTopBuild Corp.$27M0.9%+15.2%1.3 yr
NVRNVR, Inc.$27M0.9%-9.0%0.3 yr
CSCOCisco Systems, Inc.$27M0.9%+28.1%1.3 yr
GEGE Aerospace$26M0.8%+42.5%0.8 yr
NVDANVIDIA Corporation$25M0.8%+60.9%1.3 yr
AMZNAmazon.com, Inc.$24M0.8%+9.5%1.3 yr

Portfolio composition (YoY)

Industry mix
Asset Management25.4%+4.4pp$792M
Biotechnology5.7%+3.3pp$177M
Semiconductors4.8%-0.7pp$151M
Regulated Electric4.8%-2.4pp$149M
Hardware, Equipment & Parts2.9%+1.4pp$89M
Aerospace & Defense2.8%+2.1pp$87M
Specialty Retail2.3%+1.1pp$73M
Residential Construction2.1%+0.1pp$64M
Unknown1.9%+0.6pp$61M
Oil & Gas Exploration & Production1.8%+0.4pp$57M
Country
US88.5%-1.3pp
Unknown1.9%+0.6pp
CA1.9%-0.0pp
IE1.7%+1.1pp
NL1.6%+1.1pp
GB1.3%-0.1pp
TW0.6%-0.1pp
BR0.4%-0.0pp
Top 5: 24.2% · Top 10: 29.0% · Top 25: 39.2%

Winners

TickerPrev $PnLYoY %
MKSI$11M+0.02B188.8%
TSM$16M+0.02B105.6%
ETR$20M+0.01B35.0%
FNV$11M+0.01B58.0%
CSCO$20M+0.01B28.1%

Losers

TickerPrev $PnLYoY %
OC$14M-0.00B-22.3%
MTH$10M-0.00B-10.5%

Top buys this quarter · 15

SPY State Street SPDR S&P 500 ETF +$202M
CTRA Coterra Energy Inc.new+$28M
NVR NVR, Inc.new+$27M
GE GE Aerospace+$20M
WBD Warner Bros. Discovery, Inc.+$15M
FNV Franco-Nevada Corporation+$15M
ORLY O'Reilly Automotive, Inc.+$14M
CWAN Clearwater Analytics Holdings,new+$11M
TT Trane Technologies plcnew+$10M
ETN Eaton Corporation plcnew+$10M

Top sells this quarter · 15

LLY Eli Lilly and Companyexit$32M
WMT Walmart Inc.$26M
FTI TechnipFMC plc$26M
SNDK Sandisk Corporation$2M
LITE Lumentum Holdings Inc.$22M
PYPL PayPal Holdings, Inc.exit$22M
UNH UnitedHealth Group Incorporate$22M
COST Costco Wholesale Corporation$21M
COHR Coherent, Inc.$21M
CAT Caterpillar Inc.$21M

Quarterly history (TTM returns)

PeriodAUM# PosReturn (1yr)SPY (1yr)Alpha (1yr)Flow
2026-03-31$3.12B735+28.59%+17.59%+10.99%-0.35B
2025-12-31$3.29B666+5.38%+2.66%+2.71%+0.76B
2025-09-30$2.40B718+8.67%+8.12%+0.55%-0.05B
2025-06-30$2.25B713+6.27%+10.78%-4.51%-0.16B
2025-03-31$2.27B769