Spyglass Capital Management LLC

Fundamental concentrated ★Highest signal CIK 1654344
League rank
#158
in Fundamental concentrated · #253 overall
Long book
$1.41B
Q1 2026
Positions
25
Top-10 weight
52%
concentration
Last quarter
+27.3%
SPY +14.8%
Turnover
15%
of book per quarter

Strategy in plain words

auto-generated from filings

Spyglass Capital Management LLC is a concentrated fundamental stock-picker, running a $1.41B US long book across 25 positions.

The portfolio is concentrated: the top 10 names carry 52% of the portfolio. Turnover is modest: positions are typically held for years. Current anchor positions: SAMSARA INC-CL A, The Bank of New York Mellon Corporation, HUBSPOT INC, SHIFT4 PAYMENTS INC-CLASS A, AFFIRM HOLDINGS INC.

Over the last 9 quarters its long book ran on average 2pp per quarter ahead of the S&P 500, beating the index in 5 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
-2.1%
Q2 2024
+10.7%
Q3 2024
+24.8%
Q4 2024
-12.6%
Q1 2025
+20.2%
Q2 2025
+17.8%
Q3 2025
-3.1%
Q4 2025
-25.0%
Q1 2026
+27.3%

Sector allocation

Technology
51%
Services media
21%
Financials
11%
Industrials
8%
Healthcare
5%
Consumer discretionary
4%

Long book by quarter

$1.50B
Q1 2024
$1.37B
Q2 2024
$1.52B
Q3 2024
$1.78B
Q4 2024
$1.46B
Q1 2025
$1.70B
Q2 2025
$1.88B
Q3 2025
$2.00B
Q4 2025
$1.41B
Q1 2026

What does Spyglass Capital own?

Q1 2026 13F
CompanySectorSharesValue% of bookChange
IOT SAMSARA INC-CL ATechnology2.9M$93.4M6.6%+25.5%
HUBS HUBSPOT INCTechnology313.9K$76.6M5.4%+18.5%
FOUR SHIFT4 PAYMENTS INC-CLASS AServices media1.8M$76.6M5.4%+3.1%
AFRM AFFIRM HOLDINGS INCFinancials1.7M$76.2M5.4%+15.2%
AAON AAON INCIndustrials858.8K$71.1M5.0%-28.4%
APP APPLOVIN CORP-CLASS ATechnology166.6K$66.3M4.7%+38.1%
CDNS CADENCE DESIGN SYS INCTechnology233.3K$64.8M4.6%-14.1%
MDB MONGODB INCTechnology253.2K$62.0M4.4%-4.6%
FICO FAIR ISAAC CORPServices media56.4K$60.2M4.3%+13.7%
GLBE GLOBAL-E ONLINE LTDTechnology1.9M$59.8M4.2%-27.8%
PCOR PROCORE TECHNOLOGIES INCTechnology1.0M$57.3M4.1%-7.0%
CRDO CREDO TECHNOLOGY GROUP HOLDITechnology592.0K$55.6M3.9%+52.2%
SNOW SNOWFLAKE INCTechnology352.3K$53.1M3.8%+7.1%
CVNA CARVANA COConsumer discretionary167.4K$52.6M3.7%-7.3%
APG API GROUP CORPServices media1.3M$51.5M3.6%-44.5%
KNSL KINSALE CAPITAL GROUP INCFinancials137.0K$46.8M3.3%-30.5%
NCNO NCINO INCTechnology3.1M$46.2M3.3%+6.0%
CSGP COSTAR GROUP INCServices media1.1M$44.8M3.2%-29.6%
DASH DOORDASH INC - AServices media298.2K$44.8M3.2%+10.2%
RBLX ROBLOX CORP -CLASS ATechnology780.0K$44.1M3.1%New
ILMN ILLUMINA INCHealthcare325.0K$40.1M2.8%-19.0%
LOAR LOAR HOLDINGS INCIndustrials584.1K$33.5M2.4%-35.4%
MEDP MEDPACE HOLDINGS INCHealthcare55.8K$26.8M1.9%-19.4%
CHYM CHIME FINANCIAL INC-CL AFinancials1.3M$24.3M1.7%New

13F filing history

PeriodFormFiledEntriesReported valueFlagsSource
Q1 202613F-HR/ARESTATEMENTMay 18, 202625$1.41B canonicalSEC ↗
Q1 202613F-HRMay 15, 202624$1.33B SEC ↗
Q4 202513F-HRFeb 17, 202625$2.00B canonicalSEC ↗
Q3 202513F-HRNov 14, 202525$1.88B canonicalSEC ↗
Q2 202513F-HRAug 13, 202525$1.70B canonicalSEC ↗
Q1 202513F-HRMay 15, 202525$1.46B canonicalSEC ↗
Q4 202413F-HRFeb 14, 202525$1.78B canonicalSEC ↗
Q3 202413F-HRNov 14, 202425$1.52B canonicalSEC ↗
Q2 202413F-HRAug 14, 202425$1.37B canonicalSEC ↗
Q1 202413F-HRMay 15, 202425$1.50B canonicalSEC ↗