HARVEST MANAGEMENT LLC

Fundamental concentrated ★Signal CIK 1140315
Long book
$187.9M
Q1 2026
Positions
43
Top-10 weight
78%
concentration
Last quarter
+0.3%
SPY +14.8%
Turnover
72%
of book per quarter

Strategy in plain words

auto-generated from filings

HARVEST MANAGEMENT LLC is a concentrated fundamental stock-picker, running a $187.9M US long book across 43 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: ELECTRONIC ARTS INC, NORFOLK SOUTHERN CORP, Janus Hendersongroup Pl, TERNS PHARMACEUTICALS INC, WARNER BROS DISCOVERY INC.

Over the last 9 quarters its long book ran on average 8.5pp per quarter behind the S&P 500, beating the index in 2 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
-8.3%
Q2 2024
-6.9%
Q3 2024
-17.5%
Q4 2024
+0.1%
Q1 2025
-2.2%
Q2 2025
+6.2%
Q3 2025
-4.5%
Q4 2025
-2.8%
Q1 2026
+0.3%

Sector allocation

Other
33%
Technology
26%
Industrials
15%
Communications
9%
Services media
8%
Healthcare
5%
Financials
4%
Energy
0%

Long book by quarter

$117.0M
Q1 2024
$122.4M
Q2 2024
$179.4M
Q3 2024
$191.5M
Q4 2024
$215.1M
Q1 2025
$206.1M
Q2 2025
$203.6M
Q3 2025
$270.2M
Q4 2025
$187.9M
Q1 2026

What does HARVEST MANAGEMENT own?

Q1 2026 13F
CompanySectorSharesValue% of bookChange
EA ELECTRONIC ARTS INCTechnology183.9K$37.5M19.9%-3.8%
NSC NORFOLK SOUTHERN CORPIndustrials72.6K$20.8M11.1%-7.3%
430 TERNS PHARMACEUTICALS INC257.5K$13.6M7.2%New
WBD WARNER BROS DISCOVERY INCCommunications457.3K$12.6M6.7%-23.9%
HO1 HOLOGIC INC163.3K$12.3M6.6%-14.1%
SDA SEALED AIR CORPServices media269.1K$11.3M6.0%+167.8%
PEN PENUMBRA INCHealthcare18.0K$5.9M3.1%New
ACLXGBX ARCELLX INC50.0K$5.7M3.1%New
T86 TRI POINTE HOMES INC120.0K$5.6M3.0%New
AM6 AMICUS THERAPEUTICS INC247.4K$3.6M1.9%-1.0%
STEL STELLAR BANCORP INCFinancials88.0K$3.2M1.7%New
WBS WEBSTER FINANCIAL CORPFinancials43.5K$3.0M1.6%New
APLSUSD APELLIS PHARMACEUTICALS INC70.0K$2.8M1.5%New
MASI* MASIMO CORP11.0K$2.0M1.0%New
628 SEMRUSH HOLDINGS INC-A147.8K$1.8M0.9%-40.9%
DAWNGBX DAY ONE BIOPHARMACEUTICALS I75.0K$1.6M0.9%New
SKYT SKYWATER TECHNOLOGY INCTechnology51.6K$1.4M0.8%New
8TG THERMON GROUP HOLDINGS INC19.2K$968K0.5%New
RVMD REVOLUTION MEDICINES INCHealthcare9.5K$926K0.5%New
UNF UNIFIRST CORP/MAServices media3.0K$755K0.4%New
CYTK CYTOKINETICS INCHealthcare11.0K$725K0.4%-19.1%
BA BOEING CO/THEIndustrials3.5K$697K0.4%-74.6%
7WH UDEMY INC129.0K$596K0.3%+17.3%
PSKY PARAMOUNT SKYDANCE CL BCommunications60.0K$541K0.3%New
LION LIONSGATE STUDIOS CORPServices media55.0K$527K0.3%-21.4%
CECO CECO ENVIRONMENTAL CORPIndustrials8.0K$477K0.3%New
GPRK GEOPARK LTDEnergy50.0K$475K0.3%-78.6%
NVDA NVIDIA CORPTechnology2.3K$409K0.2%-1.0%
SUPN SUPERNUS PHARMACEUTICALS INCHealthcare7.1K$367K0.2%-35.5%
WS WORTHINGTON STEEL INCIndustrials12.0K$364K0.2%New
ACI ALBERTSONS COS INC - CLASS AConsumer discretionary21.2K$361K0.2%-29.3%
VIAV VIAVI SOLUTIONS INCTechnology9.7K$324K0.2%New
SEM SELECT MEDICAL HOLDINGS CORPHealthcare19.7K$321K0.2%-34.3%
URI UNITED RENTALS INCServices media380$277K0.1%-1.3%
ADI ANALOG DEVICES INCTechnology681$217K0.1%New
LUMN LUMEN TECHNOLOGIES INCCommunications12.5K$87K0.0%Held

13F filing history

PeriodFormFiledEntriesReported valueFlagsSource
Q1 202613F-HRMay 15, 202655$206.4M canonicalSEC ↗
Q4 202513F-HRFeb 17, 202662$312.0M canonicalSEC ↗
Q3 202513F-HRNov 14, 202563$231.3M canonicalSEC ↗
Q2 202513F-HRAug 14, 202558$235.0M canonicalSEC ↗
Q1 202513F-HRMay 15, 202555$226.4M canonicalSEC ↗
Q4 202413F-HRFeb 14, 202554$207.1M canonicalSEC ↗
Q3 202413F-HRNov 14, 202450$196.7M canonicalSEC ↗
Q2 202413F-HRAug 14, 202444$131.0M canonicalSEC ↗
Q1 202413F-HRMay 15, 202446$148.3M canonicalSEC ↗