SECTORAL ASSET MANAGEMENT INC — 13F Holdings & Portfolio
CIK 1274413 · latest 13F-HR filed 2026-08-14
SECTORAL ASSET MANAGEMENT INC manages $143.3M in 13F-reported U.S. long-equity assets across 82 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are CTNM (8.32%), SI (6.09%), LLY (5.32%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 15 new positions, exited 10, added to 31, and trimmed 22.
AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.
SUITE 1610
MONTREAL, A8 H3A 2R7
$143.3M
Long-equity book
82
Distinct positions
2026-06-30
Filed 2026-08-14
+15 / −10 / ↑31 / ↓22
vs 2026-03-31
| Name | Title / Status | Ownership | Type |
|---|
Top Adds (vs prior quarter)
- SHOULDER INNOVATIONS$2.5M +39.6%
- CONTINEUM THERAPEUTICS$2.4M +25.5%
- ARCUS BIOSCIENCES$2.4M +230.1%
- ARRIVENT BIOPHARMA$2.0M +281.2%
- DEXCOM INC$2.0M +134.3%
Top Trims
- GILEAD SCIENCES INC-$1.5M -36.9%
- REGENERON PHARMCTCLS-$1.1M -45.5%
- ABBOTT LABS-$985.5K -37.5%
- INSMED INC-$905.5K -26.8%
- VERTEX PHARMA-$758.9K -22.0%
New Positions
- ORUKA THERAPEUTICS INC$4.0M
- DEFINIUM THERAPEUTICS INC$3.7M
- IRHYTHM HOLDINGS INC$3.1M
- AVALO THERAPEUTICS INC$2.2M
- CRESCENT BIOPHARMA INC.$2.2M
Exited Positions
- EVOMMUNE INC$13.5M
- RAPPORT THERAPEUTICS$835.0K
- BOUNDLESS BIO$746.4K
- ASCENDIS PHARMA A S$728.3K
- UNIQURE N.V.$499.4K
Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).
| # | Issuer | Symbol | CUSIP | Value | Weight | Shares | Type |
|---|---|---|---|---|---|---|---|
| 1 | CONTINEUM THERAPEUTICS | CTNM | 21217B100 | $11.9M | 8.32% | 727,587 | SH |
| 2 | SHOULDER INNOVATIONS | SI | 82537J108 | $8.7M | 6.09% | 430,407 | SH |
| 3 | ELI LILLY & CO | LLY | 532457108 | $7.6M | 5.32% | 6,354 | SH |
| 4 | UNITEDHEALTH GRP INC | UNH | 91324P102 | $5.5M | 3.84% | 13,235 | SH |
| 5 | JOHNSON & JOHNSON | JNJ | 478160104 | $4.6M | 3.23% | 18,218 | SH |
| 6 | ORUKA THERAPEUTICS INC | ORKA | 687604108 | $4.0M | 2.79% | 41,987 | SH |
| 7 | BIONTECH SE | BNTX | 09075V102 | $3.9M | 2.72% | 41,869 | SH |
| 8 | DEFINIUM THERAPEUTICS INC | DFTX | 24477V105 | $3.7M | 2.57% | 78,310 | SH |
| 9 | DEXCOM INC | DXCM | 252131107 | $3.4M | 2.39% | 50,756 | SH |
| 10 | ARCUS BIOSCIENCES | RCUS | 03969F109 | $3.4M | 2.39% | 110,870 | SH |
| 11 | AMGEN INC | AMGN | 031162100 | $3.3M | 2.33% | 9,210 | SH |
| 12 | SUMMIT THERAPEUTICS | SMMT | 86627T108 | $3.2M | 2.24% | 220,180 | SH |
| 13 | IRHYTHM HOLDINGS INC | IRTC | 450056106 | $3.1M | 2.16% | 26,070 | SH |
| 14 | ABBVIE INC | ABBV | 00287Y109 | $3.1M | 2.14% | 12,200 | SH |
| 15 | MERCK & CO INC | MRK | 58933Y105 | $2.8M | 1.94% | 21,480 | SH |
| 16 | ARRIVENT BIOPHARMA | AVBP | 04272N102 | $2.7M | 1.92% | 79,043 | SH |
| 17 | VERTEX PHARMA | VRTX | 92532F100 | $2.7M | 1.88% | 5,432 | SH |
| 18 | ARGENX SE | ARGX | 04016X101 | $2.6M | 1.83% | 2,831 | SH |
| 19 | GILEAD SCIENCES INC | GILD | 375558103 | $2.6M | 1.82% | 20,620 | SH |
| 20 | INSMED INC | INSM | 457669307 | $2.5M | 1.73% | 23,216 | SH |
| 21 | TECTONIC THERAPEUTIC | TECX | 878972108 | $2.4M | 1.70% | 71,009 | SH |
| 22 | INTUITIVE SURGIC INC | ISRG | 46120E602 | $2.3M | 1.62% | 5,850 | SH |
| 23 | IMMATICS NV | IMTX | N44445109 | $2.3M | 1.59% | 224,928 | SH |
| 24 | STRYKER CORP | SYK | 863667101 | $2.2M | 1.57% | 7,129 | SH |
| 25 | AVALO THERAPEUTICS INC | AVTX | 05338F306 | $2.2M | 1.55% | 119,923 | SH |
| 26 | CRESCENT BIOPHARMA INC. | CBIO | G2545C104 | $2.2M | 1.52% | 121,300 | SH |
| 27 | ROIVANT SCIENCES LTD | ROIV | G76279101 | $2.2M | 1.51% | 61,100 | SH |
| 28 | IQVIA HOLDINGS INC | IQV | 46266C105 | $2.1M | 1.46% | 10,848 | SH |
| 29 | PULSE BIOSCIENCES INC | PLSE | 74587B101 | $1.9M | 1.31% | 67,895 | SH |
| 30 | DANAHER CORP | DHR | 235851102 | $1.8M | 1.28% | 9,597 | SH |
| 31 | THERMO FISHER SCIENTIFIC | TMO | 883556102 | $1.8M | 1.23% | 3,508 | SH |
| 32 | ABBOTT LABS | ABT | 002824100 | $1.6M | 1.14% | 18,080 | SH |
| 33 | ALPHATEC HLDGS INC | ATEC | 02081G201 | $1.6M | 1.12% | 185,900 | SH |
| 34 | BOSTON SCIENTIFIC | BSX | 101137107 | $1.6M | 1.08% | 36,330 | SH |
| 35 | TRANSMEDICS GROUP INC | TMDX | 89377M109 | $1.5M | 1.02% | 21,950 | SH |
| 36 | CYTOKINETICS INC | CYTK | 23282W605 | $1.4M | 0.97% | 16,330 | SH |
| 37 | REGENERON PHARMCTCLS | REGN | 75886F107 | $1.4M | 0.94% | 2,169 | SH |
| 38 | CVS HEALTH CORP | CVS | 126650100 | $1.3M | 0.94% | 13,000 | SH |
| 39 | EDWARDS LIFESCIENCES | EW | 28176E108 | $1.3M | 0.94% | 14,826 | SH |
| 40 | TREVI THERAPEUTICS | TRVI | 89532M101 | $1.2M | 0.85% | 65,596 | SH |
| 41 | BRISTOL MYERS SQUIBB | BMY | 110122108 | $1.2M | 0.85% | 21,150 | SH |
| 42 | VERA THERAPEUTICS | VERA | 92337R101 | $1.1M | 0.77% | 25,573 | SH |
| 43 | COGENT BIOSCIENCES | COGT | 19240Q201 | $1.0M | 0.72% | 26,740 | SH |
| 44 | MEDTRONIC PLC | MDT | G5960L103 | $876.3K | 0.61% | 11,100 | SH |
| 45 | TARSUS PHARMACEUTICALS | TARS | 87650L103 | $836.2K | 0.58% | 13,285 | SH |
| 46 | KURA ONCOLOGY INC | KURA | 50127T109 | $784.1K | 0.55% | 71,480 | SH |
| 47 | CENTENE CORP DEL | CNC | 15135B101 | $770.3K | 0.54% | 12,000 | SH |
| 48 | UNITED THERAPEUTICS | UTHR | 91307C102 | $742.3K | 0.52% | 1,370 | SH |
| 49 | HINGE HEALTH INC | HNGE | 433313103 | $725.8K | 0.51% | 8,744 | SH |
| 50 | NEKTAR THERAPEUTICS | NKTR | 640268306 | $705.8K | 0.49% | 10,111 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-06-30 | 2026-08-14 | $143.3M | 82 | 0001104659-26-096554 |
| 2026-03-31 | 2026-05-15 | $120.7M | 77 | 0001104659-26-062046 |
| 2025-12-31 | 2026-02-09 | $124.8M | 74 | 0001104659-26-011921 |
| 2025-09-30 | 2025-11-14 | $162.0M | 82 | 0001104659-25-112082 |