Arvin Capital Management LP

Fundamental concentrated ★Signal CIK 1961738
League rank
#800
in Fundamental concentrated · #6664 overall
Long book
$427.9M
Q1 2026
Positions
23
Top-10 weight
76%
concentration
Last quarter
+7.2%
SPY +14.8%
Turnover
54%
of book per quarter

Strategy in plain words

auto-generated from filings

Arvin Capital Management LP is a concentrated fundamental stock-picker, running a $427.9M US long book across 23 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: TRANSALTA CORP, THERMO FISHER SCIENTIFIC INC, AMENTUM HOLDINGS INC, DANAHER CORP, RB GLOBAL INC.

Over the last 9 quarters its long book ran on average 3.2pp per quarter behind the S&P 500, beating the index in 3 of 9 quarters. We rate its filings as signal-bearing: position changes reflect genuine views.

Implied long-book return vs S&P 500

methodology: positions priced quarterly, no shorts/options
Fund long book S&P 500
Q1 2024
-6.9%
Q2 2024
+8.0%
Q3 2024
-2.3%
Q4 2024
-10.7%
Q1 2025
+11.1%
Q2 2025
+6.8%
Q3 2025
+7.2%
Q4 2025
-9.1%
Q1 2026
+7.2%

Sector allocation

Services media
28%
Technology
17%
Utilities
17%
Other
15%
Industrials
11%
Healthcare
8%
Consumer discretionary
3%
Materials
1%

Long book by quarter

$216.5M
Q1 2024
$232.5M
Q2 2024
$236.9M
Q3 2024
$249.2M
Q4 2024
$271.9M
Q1 2025
$350.2M
Q2 2025
$432.0M
Q3 2025
$464.2M
Q4 2025
$427.9M
Q1 2026

What does Arvin Capital own?

Q1 2026 13F
CompanySectorSharesValue% of bookChange
TAC TRANSALTA CORPUtilities4.5M$58.8M13.7%+17.5%
TMO THERMO FISHER SCIENTIFIC INCOther111.7K$54.9M12.8%+64.7%
AMTM AMENTUM HOLDINGS INCServices media2.1M$54.0M12.6%+26.6%
DHR DANAHER CORPTechnology185.5K$35.2M8.2%+35.9%
RBA RB GLOBAL INCServices media300.5K$28.8M6.7%+92.6%
GXO GXO LOGISTICS INCIndustrials525.4K$27.2M6.4%+3.6%
OPCH OPTION CARE HEALTH INCHealthcare699.5K$18.8M4.4%+43.2%
CRS CARPENTER TECHNOLOGYIndustrials46.3K$18.2M4.3%-32.8%
AKAM AKAMAI TECHNOLOGIES INCServices media135.2K$15.5M3.6%New
Q QNITY ELECTRONICS INCTechnology131.3K$15.1M3.5%+13.8%
CEG CONSTELLATION ENERGYUtilities52.2K$14.6M3.4%+33.2%
AMZN AMAZON.COM INCConsumer discretionary57.6K$12.0M2.8%-48.0%
FICO FAIR ISAAC CORPServices media11.2K$12.0M2.8%New
ACVA ACV AUCTIONS INC-AServices media2.7M$11.3M2.6%+15.8%
TECH BIO-TECHNE CORPHealthcare204.3K$10.7M2.5%-31.8%
AL AIR LEASE CORP151.1K$9.8M2.3%Held
TSEM TOWER SEMICONDUCTOR LTDTechnology44.1K$7.7M1.8%Held
META META PLATFORMS INC-CLASS ATechnology11.2K$6.4M1.5%New
U UNITY SOFTWARE INCTechnology220.4K$4.8M1.1%+103.0%
MSFT MICROSOFT CORPTechnology12.3K$4.6M1.1%New
SOLS SOLSTICE ADV MATERIALS INCMaterials40.6K$3.1M0.7%New
WAT WATERS CORPHealthcare10.2K$3.0M0.7%New
RIG TRANSOCEAN LTDEnergy182.0K$1.2M0.3%New

13F filing history

PeriodFormFiledEntriesReported valueFlagsSource
Q1 202613F-HRMay 14, 202650$819.1M canonicalSEC ↗
Q4 202513F-HRFeb 13, 202640$531.0M canonicalSEC ↗
Q3 202513F-HRNov 12, 202536$553.8M canonicalSEC ↗
Q2 202513F-HRAug 13, 202540$488.4M canonicalSEC ↗
Q1 202513F-HRMay 13, 202546$490.9M canonicalSEC ↗
Q4 202413F-HRFeb 14, 202541$356.9M canonicalSEC ↗
Q3 202413F-HRNov 14, 202433$310.9M canonicalSEC ↗
Q2 202413F-HRAug 13, 202429$317.1Mconfidential canonicalSEC ↗
Q1 202413F-HRMay 14, 202428$267.3M canonicalSEC ↗