Westside Investment Management, Inc.

Diversified mechanical Mechanical CIK 1538383
League rank
#38
in Diversified mechanical · #1432 overall
Long book
$652.7M
Q1 2026
Positions
1477
Top-10 weight
24%
concentration
Last quarter
+15.4%
SPY +14.8%
Turnover
9%
of book per quarter

Strategy in plain words

auto-generated from filings

Westside Investment Management, Inc. is a mechanically diversified allocator, running a $652.7M US long book across 1477 positions.

The portfolio is broadly diversified across 1477 positions (top 10 only 24%). The book barely moves quarter to quarter — a patient, low-turnover holder. Current anchor positions: VANGUARD HIGH DVD YIELD ETF, APPLE INC, VANGUARD TOTAL STOCK MKT ETF, INVESCO QQQ TRUST SERIES 1, TUTOR PERINI CORP.

Over the last 9 quarters its long book ran on average 0.6pp per quarter ahead of the S&P 500, beating the index in 5 of 9 quarters. Its holdings are mechanical (indexing / client flows), so position changes carry no stock-picking signal.

Implied long-book return vs S&P 500

methodology: positions priced quarterly, no shorts/options
Fund long book S&P 500
Q1 2024
+3.5%
Q2 2024
+7.4%
Q3 2024
+0.9%
Q4 2024
-2.6%
Q1 2025
+10.5%
Q2 2025
+10.0%
Q3 2025
+2.5%
Q4 2025
-1.7%
Q1 2026
+15.4%

Sector allocation

Technology
46%
Healthcare
15%
Industrials
12%
Consumer discretionary
7%
Services media
6%
Financials
6%
Other
5%
Energy
1%

Long book by quarter

$417.2M
Q1 2024
$436.9M
Q2 2024
$469.6M
Q3 2024
$474.5M
Q4 2024
$469.4M
Q1 2025
$539.2M
Q2 2025
$625.9M
Q3 2025
$625.1M
Q4 2025
$652.7M
Q1 2026

What does Westside Investment own?

Q1 2026 13F
CompanySectorSharesValue% of bookChange
AAPL APPLE INCTechnology92.1K$23.5M3.6%+8.9%
TPC TUTOR PERINI CORPIndustrials218.8K$16.9M2.6%-3.4%
GOOGL ALPHABET INC-CL ATechnology47.1K$13.6M2.1%-1.1%
AMZN AMAZON.COM INCConsumer discretionary59.6K$12.4M1.9%+5.5%
ETON ETON PHARMACEUTICALS INCHealthcare467.9K$11.5M1.8%-0.6%
MSFT MICROSOFT CORPTechnology28.3K$10.5M1.6%+2.5%
GOOG ALPHABET INC-CL CTechnology31.7K$9.2M1.4%-0.6%
META META PLATFORMS INC-CLASS ATechnology15.5K$8.9M1.4%+0.7%
UBER UBER TECHNOLOGIES INCServices media118.1K$8.5M1.3%+1.7%
NVDA NVIDIA CORPTechnology46.6K$8.2M1.3%+1.2%
AVGO BROADCOM INCTechnology25.2K$7.9M1.2%+0.1%
PBI PITNEY BOWES INCTechnology614.0K$6.8M1.0%-0.7%
HROW HARROW INCHealthcare185.9K$6.6M1.0%+2.5%
COHR COHERENT CORPOther27.2K$6.5M1.0%-13.8%
NOC NORTHROP GRUMMAN CORPTechnology7.7K$5.3M0.8%-7.3%
MU MICRON TECHNOLOGY INCTechnology13.8K$4.8M0.7%-16.8%
SHOP SHOPIFY INC - CLASS ATechnology39.0K$4.6M0.7%-0.4%
URI UNITED RENTALS INCServices media5.6K$4.1M0.6%+0.8%
ABBV ABBVIE INCHealthcare16.6K$3.6M0.6%-0.4%
BCO BRINK'S CO/THEIndustrials34.2K$3.5M0.5%+12.9%
AMGN AMGEN INCHealthcare9.8K$3.4M0.5%-1.1%
GILD GILEAD SCIENCES INCHealthcare23.2K$3.2M0.5%-1.5%
AMD ADVANCED MICRO DEVICESTechnology14.2K$3.0M0.5%+10.3%
QCOM QUALCOMM INCTechnology22.3K$2.9M0.4%-2.0%
CVS CVS HEALTH CORPHealthcare39.4K$2.8M0.4%-13.9%
SNOW SNOWFLAKE INCTechnology16.6K$2.5M0.4%+22.6%
AMAT APPLIED MATERIALS INCTechnology7.1K$2.4M0.4%Held
TRMB TRIMBLE INCOther37.0K$2.4M0.4%+58.9%
ORCL ORACLE CORPTechnology15.7K$2.3M0.4%-0.8%
BRK/B BERKSHIRE HATHAWAY INC-CL BFinancials4.5K$2.2M0.3%-2.6%
BX BLACKSTONE INCFinancials18.3K$2.1M0.3%+54.1%
BAC BANK OF AMERICA CORPFinancials42.6K$2.1M0.3%-1.0%
JPM JPMORGAN CHASE & COFinancials7.0K$2.1M0.3%-2.4%
LLY ELI LILLY & COHealthcare2.2K$2.1M0.3%-2.4%
CRWD CROWDSTRIKE HOLDINGS INC - ATechnology5.1K$2.0M0.3%+13.3%
ADBE ADOBE INCTechnology8.1K$2.0M0.3%+2814.4%
HPE HEWLETT PACKARD ENTERPRISETechnology79.7K$1.9M0.3%+3.3%
FDX FEDEX CORPIndustrials5.2K$1.8M0.3%-2.1%
CRM SALESFORCE INCTechnology9.6K$1.8M0.3%+93.3%
LRCX LAM RESEARCH CORPIndustrials8.3K$1.8M0.3%Held
SBUX STARBUCKS CORPConsumer discretionary19.2K$1.7M0.3%+1.1%
CI THE CIGNA GROUPFinancials6.0K$1.6M0.2%-2.5%

13F filing history

PeriodFormFiledEntriesReported valueFlagsSource
Q1 202613F-HRMay 4, 20261945$652.7M canonicalSEC ↗
Q4 202513F-HRJan 23, 20261944$625.1M canonicalSEC ↗
Q3 202513F-HRNov 4, 20251763$625.9M canonicalSEC ↗
Q2 202513F-HRAug 5, 20251672$539.2M canonicalSEC ↗
Q1 202513F-HRApr 25, 20251241$469.4M canonicalSEC ↗
Q4 202413F-HRJan 17, 20251250$474.5M canonicalSEC ↗
Q3 202413F-HRNov 20, 20241745$469.6M canonicalSEC ↗
Q2 202413F-HRJul 17, 20241267$436.9M canonicalSEC ↗
Q1 202413F-HRApr 19, 20241138$417.2M canonicalSEC ↗