Horizon Investment Services, LLC

Fundamental diversified ★Signal CIK 1426940
League rank
#112
in Fundamental diversified · #527 overall
Long book
$287.5M
Q1 2026
Positions
137
Top-10 weight
36%
concentration
Last quarter
+20.9%
SPY +14.8%
Turnover
25%
of book per quarter

Strategy in plain words

auto-generated from filings

Horizon Investment Services, LLC is a diversified fundamental manager, running a $287.5M US long book across 137 positions.

The portfolio is moderately concentrated (top 10 ≈ 36% of the book). The portfolio is actively managed, with meaningful quarterly turnover. Current anchor positions: NVIDIA CORP, VANGUARD S/T CORP BOND ETF, ALPHABET INC-CL A, LAM RESEARCH CORP, BROADCOM INC.

Over the last 9 quarters its long book ran on average 1.4pp per quarter ahead of the S&P 500, beating the index in 5 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
+4.2%
Q2 2024
+4.7%
Q3 2024
+4.1%
Q4 2024
-5.7%
Q1 2025
+13.4%
Q2 2025
+12.7%
Q3 2025
+1.7%
Q4 2025
-3.0%
Q1 2026
+20.9%

Sector allocation

Technology
44%
Industrials
20%
Financials
13%
Healthcare
6%
Consumer discretionary
5%
Utilities
5%
Other
4%
Services media
3%

Long book by quarter

$204.3M
Q1 2024
$212.1M
Q2 2024
$234.0M
Q3 2024
$235.2M
Q4 2024
$205.9M
Q1 2025
$228.2M
Q2 2025
$264.9M
Q3 2025
$277.9M
Q4 2025
$287.5M
Q1 2026

What does Horizon Investment own?

Q1 2026 13F
CompanySectorSharesValue% of bookChange
NVDA NVIDIA CORPTechnology109.7K$19.1M6.7%-3.3%
GOOGL ALPHABET INC-CL ATechnology45.4K$13.1M4.5%-3.8%
LRCX LAM RESEARCH CORPIndustrials54.6K$11.7M4.1%New
AVGO BROADCOM INCTechnology30.0K$9.3M3.2%-2.0%
AAPL APPLE INCTechnology29.7K$7.5M2.6%-3.9%
MSFT MICROSOFT CORPTechnology19.9K$7.4M2.6%-2.1%
FIX COMFORT SYSTEMS USA INCIndustrials5.1K$7.1M2.5%-6.9%
APP APPLOVIN CORP-CLASS ATechnology14.4K$5.7M2.0%-10.9%
EME EMCOR GROUP INCIndustrials7.3K$5.4M1.9%-6.7%
MU MICRON TECHNOLOGY INCTechnology15.9K$5.4M1.9%+8.2%
AMZN AMAZON.COM INCConsumer discretionary25.5K$5.3M1.8%-1.9%
META META PLATFORMS INC-CLASS ATechnology9.1K$5.2M1.8%+0.4%
APH AMPHENOL CORP-CL ATechnology38.5K$4.9M1.7%-3.2%
V VISA INC-CLASS A SHARESServices media15.9K$4.8M1.7%-3.3%
HIG HARTFORD INSURANCE GROUP INCFinancials34.2K$4.6M1.6%0.0%
NTRS NORTHERN TRUST CORPFinancials29.3K$4.1M1.4%-0.7%
AMAT APPLIED MATERIALS INCTechnology11.6K$4.0M1.4%-4.5%
KLAC KLA CORPOther2.6K$3.9M1.4%+15.9%
AXP AMERICAN EXPRESS COFinancials12.6K$3.8M1.3%-2.7%
ESQ ESQUIRE FINANCIAL HOLDINGS IFinancials34.9K$3.8M1.3%-2.8%
STRL STERLING INFRASTRUCTURE INCIndustrials8.8K$3.6M1.2%-31.2%
CB CHUBB LTDFinancials10.6K$3.4M1.2%+293.5%
TEL TE CONNECTIVITY PLCConsumer discretionary16.1K$3.4M1.2%+21.5%
JBL JABIL INCTechnology12.3K$3.3M1.1%+652.8%
LLY ELI LILLY & COHealthcare3.5K$3.2M1.1%+160.0%
AEP AMERICAN ELECTRIC POWERUtilities22.7K$3.0M1.0%+1159.8%
PGR PROGRESSIVE CORPFinancials14.9K$3.0M1.0%-2.3%
GOOG ALPHABET INC-CL CTechnology9.7K$2.8M1.0%-2.5%
FLS FLOWSERVE CORPIndustrials36.0K$2.6M0.9%+205.7%
TTMI TTM TECHNOLOGIESTechnology26.3K$2.6M0.9%-6.5%
GMED GLOBUS MEDICAL INC - AHealthcare29.2K$2.5M0.9%+65.5%
FTI TECHNIPFMC PLCIndustrials35.9K$2.5M0.9%New
SCHW SCHWAB (CHARLES) CORPFinancials26.1K$2.5M0.9%+4.1%
BKNG BOOKING HOLDINGS INCIndustrials560$2.4M0.8%-7.0%
AEE AMEREN CORPORATIONUtilities18.9K$2.1M0.7%-1.1%
EXPE EXPEDIA GROUP INCIndustrials8.7K$2.0M0.7%+577.6%
HALO HALOZYME THERAPEUTICS INCHealthcare30.9K$2.0M0.7%+0.6%
PAHC PHIBRO ANIMAL HEALTH CORP-AHealthcare35.7K$2.0M0.7%+7.5%
RMD RESMED INCHealthcare8.4K$1.9M0.7%+1.1%
NYT NEW YORK TIMES CO-AOther20.3K$1.7M0.6%+133.2%
POWL POWELL INDUSTRIES INCIndustrials3.0K$1.6M0.6%-9.2%
ENVA ENOVA INTERNATIONAL INCFinancials9.5K$1.3M0.5%+27.0%
DELL DELL TECHNOLOGIES -CTechnology6.8K$1.1M0.4%New
AX AXOS FINANCIAL INCFinancials12.6K$1.1M0.4%+20.0%
NXT NEXTPOWER INC-CL ATechnology8.4K$1.0M0.4%-27.5%
PRIM PRIMORIS SERVICES CORPIndustrials6.4K$922K0.3%-56.6%
8TG THERMON GROUP HOLDINGS INC18.1K$913K0.3%New
TSLA TESLA INCIndustrials2.3K$861K0.3%-21.9%
XOM EXXON MOBIL CORPEnergy5.0K$853K0.3%-7.4%
AME AMETEK INCTechnology3.9K$841K0.3%New

13F filing history

PeriodFormFiledEntriesReported valueFlagsSource
Q1 202613F-HRMay 15, 2026137$287.5M canonicalSEC ↗
Q4 202513F-HRFeb 13, 2026139$277.9M canonicalSEC ↗
Q3 202513F-HRNov 5, 2025133$264.9M canonicalSEC ↗
Q2 202513F-HRAug 6, 2025122$228.2M canonicalSEC ↗
Q1 202513F-HRMay 5, 2025110$205.9M canonicalSEC ↗
Q4 202413F-HRFeb 12, 2025123$235.2M canonicalSEC ↗
Q3 202413F-HRNov 12, 2024122$234.0M canonicalSEC ↗
Q2 202413F-HRAug 5, 2024109$212.1M canonicalSEC ↗
Q1 202413F-HRMay 7, 2024114$204.3M canonicalSEC ↗