SECTOR GAMMA AS — 13F Holdings & Portfolio
CIK 1475373 · latest 13F-HR filed 2026-05-07
SECTOR GAMMA AS manages $423.5M in 13F-reported U.S. long-equity assets across 42 reported positions as of its 2026-03-31 13F-HR filing. Its largest disclosed positions are BMY (11.86%), MRK (7.39%), PFE (7.24%). Quarter over quarter (versus its 2025-12-31 filing) the fund opened 11 new positions, exited 5, added to 10, and trimmed 19.
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.
$423.5M
Long-equity book
42
Distinct positions
2026-03-31
Filed 2026-05-07
+11 / −5 / ↑10 / ↓19
vs 2025-12-31
| Name | Title / Status | Ownership | Type |
|---|
Top Adds (vs prior quarter)
- BRISTOL-MYERS SQUIBB CO$10.0M +24.8%
- PFIZER INC$9.2M +43.2%
- ZIMMER BIOMET HOLDINGS INC$2.2M +18.3%
- BIOMARIN PHARMACEUTICAL INC$1.8M +14.9%
- BIOGEN INC$1.5M +9.8%
Top Trims
- GILEAD SCIENCES INC-$14.2M -65.7%
- BECTON DICKINSON & CO-$12.7M -49.4%
- MERCK & CO INC-$7.0M -18.2%
- CENTENE CORP DEL-$5.3M -49.9%
- CVS HEALTH CORP-$4.4M -31.0%
New Positions
- UNITEDHEALTH GROUP INC$9.9M
- ABBOTT LABS$9.0M
- IQVIA HLDGS INC$6.9M
- QIAGEN NV$6.5M
- HUMANA INC$3.3M
Exited Positions
- THERMO FISHER SCIENTIFIC INC$12.6M
- REGENERON PHARMACEUTICALS$5.5M
- HCA HEALTHCARE INC$5.0M
- CG ONCOLOGY INC$2.2M
- CERTARA INC$2.0M
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 | BRISTOL-MYERS SQUIBB CO | BMY | 110122108 | $50.2M | 11.86% | 827,901 | SH |
| 2 | MERCK & CO INC | MRK | 58933Y105 | $31.3M | 7.39% | 260,340 | SH |
| 3 | PFIZER INC | PFE | 717081103 | $30.6M | 7.24% | 1,091,385 | SH |
| 4 | MEDTRONIC PLC | MDT | G5960L103 | $24.3M | 5.74% | 280,682 | SH |
| 5 | INCYTE CORP | INCY | 45337C102 | $18.9M | 4.46% | 200,510 | SH |
| 6 | AMGEN INC | AMGN | 031162100 | $16.6M | 3.92% | 47,155 | SH |
| 7 | BIOGEN INC | BIIB | 09062X103 | $16.5M | 3.90% | 90,096 | SH |
| 8 | ZIMMER BIOMET HOLDINGS INC | ZBH | 98956P102 | $14.1M | 3.33% | 155,835 | SH |
| 9 | BIOMARIN PHARMACEUTICAL INC | BMRN | 09061G101 | $13.6M | 3.20% | 239,918 | SH |
| 10 | BECTON DICKINSON & CO | BDX | 075887109 | $13.0M | 3.07% | 82,615 | SH |
| 11 | ELEVANCE HEALTH INC FORMERLY | ELV | 036752103 | $12.9M | 3.04% | 43,962 | SH |
| 12 | IONIS PHARMACEUTICALS INC | IONS | 462222100 | $12.7M | 3.00% | 169,468 | SH |
| 13 | CARDINAL HEALTH INC | CAH | 14149Y108 | $11.6M | 2.74% | 54,897 | SH |
| 14 | UNITEDHEALTH GROUP INC | UNH | 91324P102 | $9.9M | 2.33% | 36,435 | SH |
| 15 | CVS HEALTH CORP | CVS | 126650100 | $9.7M | 2.30% | 135,337 | SH |
| 16 | BRUKER CORP | BRKR | 116794108 | $9.2M | 2.17% | 254,010 | SH |
| 17 | GE HEALTHCARE TECHNOLOGIES I | GEHC | 36266G107 | $9.0M | 2.12% | 126,418 | SH |
| 18 | ABBOTT LABS | ABT | 002824100 | $9.0M | 2.12% | 87,532 | SH |
| 19 | GILEAD SCIENCES INC | GILD | 375558103 | $7.4M | 1.75% | 53,247 | SH |
| 20 | LANTHEUS HLDGS INC | LNTH | 516544103 | $7.1M | 1.67% | 93,344 | SH |
| 21 | IQVIA HLDGS INC | IQV | 46266C105 | $6.9M | 1.62% | 40,230 | SH |
| 22 | SYNDAX PHARMACEUTICALS INC | SNDX | 87164F105 | $6.7M | 1.58% | 286,007 | SH |
| 23 | BIO RAD LABS INC | BIO | 090572207 | $6.6M | 1.56% | 23,750 | SH |
| 24 | QIAGEN NV | QGEN | N72482156 | $6.5M | 1.54% | 162,371 | SH |
| 25 | AVANTOR INC | AVTR | 05352A100 | $5.5M | 1.29% | 695,403 | SH |
| 26 | CENTENE CORP DEL | CNC | 15135B101 | $5.3M | 1.26% | 162,405 | SH |
| 27 | TANDEM DIABETES CARE INC | TNDM | 875372203 | $5.1M | 1.21% | 267,091 | SH |
| 28 | PTC THERAPEUTICS INC | PTCT | 69366J200 | $5.1M | 1.21% | 75,000 | SH |
| 29 | LABCORP HOLDINGS INC | LH | 504922105 | $5.1M | 1.20% | 19,019 | SH |
| 30 | ASCENDIS PHARMA A/S | ASND | 04351P101 | $4.9M | 1.15% | 21,305 | SH |
| 31 | EDWARDS LIFESCIENCES CORP | EW | 28176E108 | $4.8M | 1.14% | 60,402 | SH |
| 32 | DEXCOM INC | DXCM | 252131107 | $3.5M | 0.83% | 56,122 | SH |
| 33 | CRINETICS PHARMACEUTICALS IN | CRNX | 22663K107 | $3.4M | 0.81% | 94,195 | SH |
| 34 | KURA ONCOLOGY INC | KURA | 50127T109 | $3.3M | 0.79% | 411,810 | SH |
| 35 | HUMANA INC | HUM | 444859102 | $3.3M | 0.79% | 19,202 | SH |
| 36 | BRIDGEBIO PHARMA INC | BBIO | 10806X102 | $3.3M | 0.78% | 44,263 | SH |
| 37 | IOVANCE BIOTHERAPEUTICS INC | IOVA | 462260100 | $3.2M | 0.75% | 900,000 | SH |
| 38 | DENALI THERAPEUTICS INC | DNLI | 24823R105 | $3.1M | 0.74% | 162,710 | SH |
| 39 | ARDELYX INC | ARDX | 039697107 | $3.1M | 0.73% | 516,131 | SH |
| 40 | COGENT BIOSCIENCES INC | COGT | 19240Q201 | $3.1M | 0.73% | 80,000 | SH |
| 41 | ORGANON & CO | OGN | 68622V106 | $2.3M | 0.53% | 375,974 | SH |
| 42 | ARROWHEAD PHARMACEUTICALS IN | ARWR | 04280A100 | $1.9M | 0.44% | 30,000 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-03-31 | 2026-05-07 | $423.5M | 42 | 0000945621-26-000644 |
| 2025-12-31 | 2026-02-12 | $438.7M | 36 | 0000945621-26-000283 |