12 West Capital Management LP

Fundamental concentrated ★Highest signal CIK 1540531
League rank
#919
in Fundamental concentrated · #7222 overall
Long book
$592.4M
Q1 2026
Positions
20
Top-10 weight
87%
concentration
Last quarter
+2.1%
SPY +14.8%
Turnover
54%
of book per quarter

Strategy in plain words

auto-generated from filings

12 West Capital Management LP is a concentrated fundamental stock-picker, running a $592.4M US long book across 20 positions.

The portfolio is extremely concentrated — the top 10 positions are almost the whole book. Turnover is high — positions rotate quickly, so individual names matter less than the process. Current anchor positions: SHAKE SHACK INC - CLASS A, GDS HOLDINGS LTD - ADR, BBB FOODS INC-CLASS A, ROBLOX CORP -CLASS A, TOAST INC-CLASS A.

Over the last 9 quarters its long book ran on average 2.2pp per quarter behind the S&P 500, beating the index in 3 of 9 quarters. We rate its filings highest-signal: new buys here are worth attention.

Implied long-book return vs S&P 500

methodology: positions priced quarterly, no shorts/options
Fund long book S&P 500
Q1 2024
-11.6%
Q2 2024
+12.6%
Q3 2024
+14.1%
Q4 2024
-17.5%
Q1 2025
+37.9%
Q2 2025
-3.3%
Q3 2025
-6.8%
Q4 2025
-7.0%
Q1 2026
+2.1%

Sector allocation

Consumer discretionary
45%
Technology
24%
Healthcare
18%
Financials
6%
Utilities
5%
Consumer staples
1%
Other
1%
Industrials
0%

Long book by quarter

$1.10B
Q1 2024
$972.7M
Q2 2024
$977.4M
Q3 2024
$954.6M
Q4 2024
$677.6M
Q1 2025
$945.5M
Q2 2025
$964.1M
Q3 2025
$839.7M
Q4 2025
$592.4M
Q1 2026

What does 12 West own?

Q1 2026 13F
CompanySectorSharesValue% of bookChange
SHAK SHAKE SHACK INC - CLASS AConsumer discretionary1.2M$110.0M18.6%-36.7%
TBBB BBB FOODS INC-CLASS AConsumer discretionary2.3M$80.9M13.7%-3.2%
RBLX ROBLOX CORP -CLASS ATechnology950.0K$53.7M9.1%-9.5%
TOST TOAST INC-CLASS ATechnology1.2M$33.1M5.6%-32.5%
KRUS KURA SUSHI USA INC-CLASS AConsumer discretionary446.4K$31.2M5.3%-17.5%
WRBY WARBY PARKER INC-CLASS AHealthcare1.3M$27.5M4.6%New
HE HAWAIIAN ELECTRIC INDSUtilities1.8M$26.7M4.5%-2.7%
AFRM AFFIRM HOLDINGS INCFinancials535.0K$24.5M4.1%+52.9%
RGEN REPLIGEN CORPHealthcare191.2K$22.5M3.8%-20.7%
NET CLOUDFLARE INC - CLASS ATechnology105.0K$21.7M3.7%-36.4%
MRVI MARAVAI LIFESCIENCES HLDGS-AHealthcare7.3M$20.5M3.5%-18.6%
HTFL HEARTFLOW INCHealthcare640.0K$15.6M2.6%New
SHOP SHOPIFY INC - CLASS ATechnology52.0K$6.2M1.0%New
OFRM ONCE UPON A FARM PBCConsumer staples365.0K$6.0M1.0%New
ELF ELF BEAUTY INCOther70.0K$4.2M0.7%New
NU NU HOLDINGS LTD/CAYMAN ISL-AFinancials185.0K$2.7M0.4%Held
AEHR AEHR TEST SYSTEMSTechnology22.0K$816K0.1%New
CRWV COREWEAVE INC-CL ATechnology7.0K$542K0.1%New
ACMR ACM RESEARCH INC-CLASS AIndustrials6.1K$240K0.0%New

13F filing history

PeriodFormFiledEntriesReported valueFlagsSource
Q1 202613F-HRMay 15, 202620$592.4M canonicalSEC ↗
Q4 202513F-HRFeb 17, 202618$839.7M canonicalSEC ↗
Q3 202513F-HRNov 14, 202517$964.1M canonicalSEC ↗
Q2 202513F-HRAug 14, 202517$945.5M canonicalSEC ↗
Q1 202513F-HRMay 15, 202517$677.6M canonicalSEC ↗
Q4 202413F-HRFeb 13, 202516$954.6M canonicalSEC ↗
Q3 202413F-HRNov 13, 202417$977.4M canonicalSEC ↗
Q2 202413F-HRAug 14, 202419$972.7M canonicalSEC ↗
Q1 202413F-HRMay 7, 202425$39.5M canonicalSEC ↗