SECTORAL ASSET MANAGEMENT INC

Fundamental diversified ★Signal healthcare specialist (93%) CIK 1274413
League rank
#745
in Fundamental diversified · #6122 overall
Long book
$120.7M
Q1 2026
Positions
77
Top-10 weight
48%
concentration
Last quarter
+8.6%
SPY +14.8%
Turnover
20%
of book per quarter

Strategy in plain words

auto-generated from filings

SECTORAL ASSET MANAGEMENT INC is a diversified fundamental manager, specialised in healthcare (93% of the long book), running a $120.7M US long book across 77 positions.

The portfolio is moderately concentrated (top 10 ≈ 48% of the book). Turnover is modest: positions are typically held for years. Current anchor positions: EVOMMUNE INC, CONTINEUM THERAPEUTICS INC-A, SHOULDER INNOVATIONS INC, ELI LILLY & CO, JOHNSON & JOHNSON.

Over the last 9 quarters its long book ran on average 1.8pp per quarter ahead of the S&P 500, beating the index in 4 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
-6.7%
Q2 2024
+8.1%
Q3 2024
-5.2%
Q4 2024
-5.8%
Q1 2025
-2.8%
Q2 2025
+39.1%
Q3 2025
+22.0%
Q4 2025
-0.5%
Q1 2026
+8.6%

Sector allocation

Healthcare
92%
Financials
4%
Technology
2%
Other
2%

Long book by quarter

$254.4M
Q1 2024
$246.1M
Q2 2024
$169.3M
Q3 2024
$149.8M
Q4 2024
$128.5M
Q1 2025
$151.5M
Q2 2025
$162.0M
Q3 2025
$124.8M
Q4 2025
$120.7M
Q1 2026

What does SECTORAL ASSET own?

Q1 2026 13F
CompanySectorSharesValue% of bookChange
EVMN EVOMMUNE INCHealthcare589.0K$13.5M11.2%Held
CTNM CONTINEUM THERAPEUTICS INC-AHealthcare727.6K$9.5M7.9%-9.1%
SI SHOULDER INNOVATIONS INCHealthcare430.4K$6.3M5.2%-12.6%
LLY ELI LILLY & COHealthcare6.4K$5.8M4.8%-12.7%
JNJ JOHNSON & JOHNSONHealthcare18.2K$4.5M3.7%-10.3%
GILD GILEAD SCIENCES INCHealthcare27.5K$4.1M3.4%+53.7%
UNH UNITEDHEALTH GROUP INCFinancials15.0K$4.0M3.4%+10.0%
AMGN AMGEN INCHealthcare9.2K$3.5M2.9%-29.5%
VRTX VERTEX PHARMACEUTICALS INCHealthcare7.0K$3.5M2.9%-12.5%
INSM INSMED INCHealthcare19.7K$3.4M2.8%+75.9%
ABBV ABBVIE INCHealthcare12.2K$2.7M2.2%-27.4%
ABT ABBOTT LABORATORIESHealthcare25.6K$2.6M2.2%+8.9%
MRK MERCK & CO. INC.Healthcare21.5K$2.6M2.1%+0.4%
REGN REGENERON PHARMACEUTICALSHealthcare2.9K$2.5M2.1%-21.4%
ISRG INTUITIVE SURGICAL INCHealthcare5.3K$2.4M2.0%+8.2%
BSX BOSTON SCIENTIFIC CORPHealthcare34.8K$2.2M1.8%+25.9%
SYK STRYKER CORPHealthcare5.9K$1.9M1.6%-10.3%
DHR DANAHER CORPTechnology9.6K$1.8M1.5%-9.2%
TMO THERMO FISHER SCIENTIFIC INCOther3.5K$1.7M1.4%-10.1%
DXCM DEXCOM INCHealthcare23.2K$1.5M1.2%-19.1%
IQV IQVIA HOLDINGS INCHealthcare8.3K$1.4M1.2%New
SMMT SUMMIT THERAPEUTICS INCHealthcare69.6K$1.4M1.2%-12.6%
EW EDWARDS LIFESCIENCES CORPHealthcare17.3K$1.4M1.2%+0.5%
BMY BRISTOL-MYERS SQUIBB COHealthcare21.1K$1.3M1.1%New
UTHR UNITED THERAPEUTICS CORPHealthcare1.7K$1.1M0.9%-0.8%
VERA VERA THERAPEUTICS INCHealthcare25.6K$1.1M0.9%-30.6%
RCUS ARCUS BIOSCIENCES INCHealthcare45.1K$1.0M0.9%-20.9%
ROIV ROIVANT SCIENCES LTDHealthcare32.5K$1.0M0.8%-28.3%
MDT MEDTRONIC PLCHealthcare11.1K$962K0.8%New
TRVI TREVI THERAPEUTICS INCHealthcare74.4K$939K0.8%-11.6%
COGT COGENT BIOSCIENCES INCHealthcare22.1K$902K0.7%-32.3%
MLYS MINERALYS THERAPEUTICS INCHealthcare31.6K$895K0.7%0.0%
ALNY ALNYLAM PHARMACEUTICALS INCHealthcare2.3K$864K0.7%-22.7%
TARS TARSUS PHARMACEUTICALS INCHealthcare11.3K$852K0.7%-23.5%
RAPP RAPPORT THERAPEUTICS INCHealthcare25.4K$835K0.7%-34.7%
NKTR NEKTAR THERAPEUTICSHealthcare10.9K$821K0.7%-19.5%
SNDX SYNDAX PHARMACEUTICALS INCHealthcare31.7K$787K0.7%-48.2%
ARDX ARDELYX INCHealthcare122.4K$781K0.6%New
PFE PFIZER INCHealthcare27.5K$772K0.6%+1.3%
BOLD BOUNDLESS BIO INCHealthcare678.6K$746K0.6%Held
AVBP ARRIVENT BIOPHARMA INCHealthcare30.0K$720K0.6%-21.5%
IMTX IMMATICS NVHealthcare66.8K$693K0.6%+6.1%
BBIO BRIDGEBIO PHARMA INCHealthcare8.1K$687K0.6%-27.5%
SPRY ARS PHARMACEUTICALS INCHealthcare79.2K$677K0.6%+165.6%
TECX TECTONIC THERAPEUTIC INCHealthcare19.1K$628K0.5%-54.9%
IONS IONIS PHARMACEUTICALS INCHealthcare7.2K$617K0.5%-13.9%
BMRN BIOMARIN PHARMACEUTICAL INCHealthcare9.4K$607K0.5%-13.1%
KURA KURA ONCOLOGY INCHealthcare71.5K$606K0.5%+32.1%
PRVA PRIVIA HEALTH GROUP INCHealthcare27.1K$558K0.5%+4.4%
CYTK CYTOKINETICS INCHealthcare7.3K$545K0.5%+23.9%

13F filing history

PeriodFormFiledEntriesReported valueFlagsSource
Q1 202613F-HRMay 15, 202677$120.7M canonicalSEC ↗
Q4 202513F-HRFeb 9, 202674$124.8M canonicalSEC ↗
Q3 202513F-HRNov 14, 202582$162.0M canonicalSEC ↗
Q2 202513F-HRAug 14, 202594$151.5M canonicalSEC ↗
Q1 202513F-HRMay 15, 202584$128.5M canonicalSEC ↗
Q4 202413F-HRFeb 14, 202586$149.8M canonicalSEC ↗
Q3 202413F-HRNov 14, 202490$169.3M canonicalSEC ↗
Q2 202413F-HRAug 13, 202497$246.1M canonicalSEC ↗
Q1 202413F-HRMay 14, 202492$254.4M canonicalSEC ↗