Decagon Asset Management LLP

Fundamental concentrated ★Signal CIK 1950677
Long book
$384.9M
Q1 2026
Positions
74
Top-10 weight
68%
concentration
Last quarter
+3.8%
SPY +14.8%
Turnover
70%
of book per quarter

Strategy in plain words

auto-generated from filings

Decagon Asset Management LLP is a concentrated fundamental stock-picker, running a $384.9M US long book across 74 positions.

The portfolio is concentrated: the top 10 names carry 68% of the portfolio. Turnover is high — positions rotate quickly, so individual names matter less than the process. Current anchor positions: NORFOLK SOUTHERN CORP, PENUMBRA INC, ELECTRONIC ARTS INC, LEARWATER ANALYTICS HLDGS I, HOLOGIC INC.

Over the last 6 quarters its long book ran on average 3.6pp per quarter behind the S&P 500, beating the index in 2 of 6 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
Q4 2024
+5.9%
Q1 2025
-1.2%
Q2 2025
+0.4%
Q3 2025
+1.3%
Q4 2025
-4.2%
Q1 2026
+3.8%

Sector allocation

Financials
33%
Industrials
26%
Healthcare
19%
Other
12%
Technology
10%

Long book by quarter

$219.0M
Q4 2024
$110.4M
Q1 2025
$128.0M
Q2 2025
$189.4M
Q3 2025
$237.8M
Q4 2025
$384.9M
Q1 2026

What does Decagon Asset own?

Q1 2026 13F
CompanySectorSharesValue% of bookChange
NSC NORFOLK SOUTHERN CORPIndustrials216.0K$62.0M16.1%+86.2%
PEN PENUMBRA INCHealthcare167.6K$55.0M14.3%New
EA ELECTRONIC ARTS INCTechnology133.6K$27.2M7.1%New
HO1 HOLOGIC INC275.0K$20.8M5.4%-44.8%
CLBR COLOMBIER ACQ III-CL AFinancials1.5M$15.0M3.9%New
MBC MASTERBRAND INCOther1.5M$12.9M3.3%+102.8%
GTLS CHART INDUSTRIES INCIndustrials52.9K$10.9M2.8%New
OACC OAKTREE ACQUISITION CORP I-AFinancials1.0M$10.6M2.8%+48.4%
NWAX NEW AMERICA ACQUISITION-CL AFinancials886.0K$8.9M2.3%New
MEVO M EVO GLOBAL ACQUISITIO-CL AFinancials898.4K$8.8M2.3%New
HLXC HELIX ACQUISITION CORP-CL AFinancials798.9K$8.1M2.1%New
GIX GIGCAPITAL9 CORP-CL AFinancials758.4K$7.5M1.9%New
BCSS BAIN CAPITAL GSS INV- AFinancials656.9K$6.6M1.7%+16.2%
KBON KARBON CAPITAL PARTNERS-CL AFinancials653.8K$6.6M1.7%New
KCHV KOCHAV DEFENSE ACQUISITION-AFinancials598.7K$6.1M1.6%+24.5%
BEBE TGE VALUE CREATIVE SOLU-CL AFinancials461.5K$4.6M1.2%New
XFLH XFLH CAPITAL CORPFinancials424.5K$4.2M1.1%New
NBRG NEWBRIDGE ACQUISITION LTD-AFinancials350.0K$3.5M0.9%New
PTOR PRAETORIAN ACQUISITION COR-AFinancials233.0K$2.3M0.6%New
RFAM RF ACQUISITION CORP IIIFinancials100.8K$987K0.3%New

13F filing history

PeriodFormFiledEntriesReported valueFlagsSource
Q1 202613F-HRMay 15, 202677$386.2M canonicalSEC ↗
Q4 202513F-HRFeb 17, 202657$260.1M canonicalSEC ↗
Q3 202513F-HRNov 14, 202559$198.1M canonicalSEC ↗
Q2 202513F-HRAug 14, 202556$153.4M canonicalSEC ↗
Q1 202513F-HRMay 15, 202544$139.3M canonicalSEC ↗
Q4 202413F-HR/ARESTATEMENTFeb 14, 202545$219.3M canonicalSEC ↗
Q4 202413F-HRFeb 11, 202543$219.3M SEC ↗