Sector Gamma As

In its 13F for Q1 2026 (holdings as of March 31, 2026, filed May 7, 2026), Sector Gamma As reported 42 stock positions worth $423.5 million. Its top holding was Bristol-Myers Squibb (BMY) at 11.9% of the portfolio, followed by Merck (MRK, 7.4%) and Pfizer (PFE, 7.2%). Compared with Q4 2025, it opened 11 new positions, sold out of 5, added to 12 and reduced 16. The biggest buy was Bristol-Myers Squibb (BMY, shares +11%) and the biggest sale Gilead Sciences (GILD, shares −70%).

Most Recent 13F
Q2 2026
Location
OSLO, Q8
CIK
0001475373
Portfolio Value
$423.5M (Q1 2026)
SEC Filing
0000945621-26-000644 ↗ filed May 7, 2026

Holdings Value

0$100.0M$200.0M$300.0M$400.0M$500.0M Q1 2024: $354.8M Q1 2024 Q2 2024: $267.7M Q2 2024 Q3 2024: $329.6M Q3 2024 Q4 2024: $290.9M Q4 2024 Q1 2025: $312.2M Q1 2025 Q2 2025: $305.9M Q2 2025 Q3 2025: $403.3M Q3 2025 Q4 2025: $438.7M Q4 2025 Q1 2026: $423.5M $423.5M Q1 2026 Q2 2026: $461.0M Q2 2026

Holdings 42 stocks · $423.5M

BMY Bristol-Myers Squibb Co. 11.86% 827,901 $50.2M Add +11.0%
MRK Merck & Co. Inc. 7.39% 260,340 $31.3M Reduce -28.4%
PFE Pfizer Inc. 7.24% 1,091,385 $30.6M Add +27.0%
MDT Medtronic PLC 5.74% 280,682 $24.3M Add +4.1%
INCY Incyte Corp. 4.46% 200,510 $18.9M Reduce -8.3%
AMGN Amgen Inc. 3.92% 47,155 $16.6M Reduce -22.6%
BIIB Biogen Inc. 3.90% 90,096 $16.5M Add +5.4%
ZBH Zimmer Biomet Holdings Inc. 3.33% 155,835 $14.1M Add +17.6%
BMRN Biomarin Pharmaceutical Inc. 3.20% 239,918 $13.6M Add +20.9%
BDX Becton Dickinson and Co. 3.07% 82,615 $13.0M Reduce -37.6%
ELV Elevance Health Inc. 3.04% 43,962 $12.9M Add +35.1%
IONS Ionis Pharmaceuticals Inc. 3.00% 169,468 $12.7M Reduce -8.4%
CAH Cardinal Health Inc. 2.74% 54,897 $11.6M Reduce -11.4%
UNH Unitedhealth Group Inc. 2.33% 36,435 $9.9M New
CVS CVS Health Corp. 2.30% 135,337 $9.7M Reduce -23.8%
BRKR Bruker Corp. 2.17% 254,010 $9.2M Reduce -0.3%
GEHC GE Healthcare Technology 2.12% 126,418 $9.0M Add +10.5%
ABT Abbott Laboratories 2.12% 87,532 $9.0M New
GILD Gilead Sciences Inc. 1.75% 53,247 $7.4M Reduce -69.8%
LNTH Lantheus Holdings Inc. 1.67% 93,344 $7.1M Reduce -0.5%
IQV Iqvia Holdings Inc. 1.62% 40,230 $6.9M New
SNDX Syndax Pharmaceuticals Inc. 1.58% 286,007 $6.7M Add +13.5%
BIO Bio-Rad Laboratories-A 1.56% 23,750 $6.6M No change
QGEN Qiagen N.V. 1.54% 162,371 $6.5M New
AVTR Avantor Inc. 1.29% 695,403 $5.5M No change
CNC Centene Corp. 1.26% 162,405 $5.3M Reduce -37.1%
TNDM Tandem Diabetes Care Inc. 1.21% 267,091 $5.1M No change
PTCT PTC Therapeutics Inc. 1.21% 75,000 $5.1M Add +21.1%
LH Labcorp Holdings Inc. 1.20% 19,019 $5.1M Reduce -29.6%
ASND Ascendis Pharma A/S 1.15% 21,305 $4.9M Add +30.7%
EW Edwards Lifesciences Corp. 1.14% 60,402 $4.8M Reduce -37.3%
DXCM Dexcom Inc. 0.83% 56,122 $3.5M Reduce -26.3%
CRNX Crinetics Pharmaceuticals Inc. 0.81% 94,195 $3.4M Reduce -18.1%
KURA Kura Oncology Inc. 0.79% 411,810 $3.3M Reduce -9.7%
HUM Humana Inc. 0.79% 19,202 $3.3M New
BBIO Bridgebio Pharma Inc. 0.78% 44,263 $3.3M New
IOVA Iovance Biotherapeutics Inc. 0.75% 900,000 $3.2M New
DNLI Denali Therapeutics Inc. 0.74% 162,710 $3.1M New
ARDX Ardelyx Inc. 0.73% 516,131 $3.1M New
COGT Cogent Biosciences Inc. 0.73% 80,000 $3.1M New
OGN Organon & Co. 0.53% 375,974 $2.3M Add +25.3%
ARWR Arrowhead Pharmaceuticals Inc. 0.44% 30,000 $1.9M New

Portfolio Sells Q4 2025 → Q1 2026

GILD Gilead Sciences Inc. Reduce -69.8% 1.75% −3.18
TMO Thermo Fisher Scientific Inc. Sold out 0.00% −2.86
BDX Becton Dickinson and Co. Reduce -37.6% 3.07% −2.79
MRK Merck & Co. Inc. Reduce -28.4% 7.39% −1.33
REGN Regeneron Pharmaceuticals Sold out 0.00% −1.26
CNC Centene Corp. Reduce -37.1% 1.26% −1.17
HCA HCA Healthcare Inc. Sold out 0.00% −1.15
CVS CVS Health Corp. Reduce -23.8% 2.30% −0.92
EW Edwards Lifesciences Corp. Reduce -37.3% 1.14% −0.73
AMGN Amgen Inc. Reduce -22.6% 3.92% −0.63
BRKR Bruker Corp. Reduce -0.3% 2.17% −0.57
CGON CG Oncology Inc. Sold out 0.00% −0.49
INCY Incyte Corp. Reduce -8.3% 4.46% −0.47
CERT Certara Inc. Sold out 0.00% −0.46
CRNX Crinetics Pharmaceuticals Inc. Reduce -18.1% 0.81% −0.41
LH Labcorp Holdings Inc. Reduce -29.6% 1.20% −0.35
IONS Ionis Pharmaceuticals Inc. Reduce -8.4% 3.00% −0.33
DXCM Dexcom Inc. Reduce -26.3% 0.83% −0.32
KURA Kura Oncology Inc. Reduce -9.7% 0.79% −0.29
CAH Cardinal Health Inc. Reduce -11.4% 2.74% −0.16
LNTH Lantheus Holdings Inc. Reduce -0.5% 1.67% +0.25

Portfolio Buys Q4 2025 → Q1 2026

BMY Bristol-Myers Squibb Co. Add +11.0% 11.86% +2.69
PFE Pfizer Inc. Add +27.0% 7.24% +2.36
UNH Unitedhealth Group Inc. New 2.33% +2.33
ABT Abbott Laboratories New 2.12% +2.12
IQV Iqvia Holdings Inc. New 1.62% +1.62
QGEN Qiagen N.V. New 1.54% +1.54
HUM Humana Inc. New 0.79% +0.79
BBIO Bridgebio Pharma Inc. New 0.78% +0.78
IOVA Iovance Biotherapeutics Inc. New 0.75% +0.75
DNLI Denali Therapeutics Inc. New 0.74% +0.74
ARDX Ardelyx Inc. New 0.73% +0.73
COGT Cogent Biosciences Inc. New 0.73% +0.73
ZBH Zimmer Biomet Holdings Inc. Add +17.6% 3.33% +0.61
BMRN Biomarin Pharmaceutical Inc. Add +20.9% 3.20% +0.51
BIIB Biogen Inc. Add +5.4% 3.90% +0.47
ARWR Arrowhead Pharmaceuticals Inc. New 0.44% +0.44
ELV Elevance Health Inc. Add +35.1% 3.04% +0.44
SNDX Syndax Pharmaceuticals Inc. Add +13.5% 1.58% +0.37
ASND Ascendis Pharma A/S Add +30.7% 1.15% +0.36
PTCT PTC Therapeutics Inc. Add +21.1% 1.21% +0.13
OGN Organon & Co. Add +25.3% 0.53% +0.04
GEHC GE Healthcare Technology Add +10.5% 2.12% −0.01
MDT Medtronic PLC Add +4.1% 5.74% −0.16

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 40$461.0MBMY, MRK, MDT, PFE, INCY
Q1 2026 42$423.5MBMY, MRK, PFE, MDT, INCY
Q4 2025 36$438.7MBMY, MRK, MDT, BDX, GILD
Q3 2025 41$403.3MPFE, MDT, MRK, BMY, BDX
Q2 2025 38$305.9MPFE, MDT, BMY, BDX, MRK
Q1 2025 33$312.2MBMY, PFE, BDX, MDT, AMGN
Q4 2024 30$290.9MPFE, MDT, BMY, GILD, BDX
Q3 2024 29$329.6MBMY, MDT, GILD, PFE, CVS
Q2 2024 28$267.7MGILD, PFE, BMY, MDT, ELV
Q1 2024 28$354.8MMDT, PFE, BMY, CVS, CAH