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SECTOR GAMMA AS

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13F filer, CIK 1475373, OSLO, Norway

SECTOR GAMMA AS reported $438,714,301 across 36 holdings for the quarter ended 2025-12-31, in a 13F-HR filed 2026-02-12. Its ten largest share positions make up 55.71% of the portfolio.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0000945621-26-000283

Period
2025-12-31
Reported value
$439M
Holdings
36
Top 10 weight
55.71%
New
3
Sold out
8

Largest buys vs the previous quarter

SecurityShares changeApprox. value
BMYadded+164,688$8.88M
ELVadded+22,943$8.04M
REGNnew+7,165$5.53M
CRNXnew+115,000$5.35M
BDXadded+23,547$4.57M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Largest sells vs the previous quarter

SecurityShares changeApprox. value
PFEreduced-392,547-$9.77M
BAXexited-381,551-$8.69M
IONSreduced-85,986-$6.8M
VTRSexited-668,851-$6.62M
HUMexited-23,942-$6.23M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Holdings, Q4 2025

Share positions as resolved from 13F-HR 0000945621-26-000283, largest first. % of portfolio is the value over $438,714,301, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
BMYBRISTOL-MYERS SQUIBB COQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 602,000 shares; 2024Q4: 366,166 shares; 2025Q1: 435,000 shares; 2025Q2: 406,000 shares; 2025Q3: 581,267 shares; 2025Q4: 745,955 shares 745,955$40.2M9.17%+164,688Timeline
MRKMERCK & CO INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 202,000 shares; 2025Q3: 322,500 shares; 2025Q4: 363,651 shares 363,651$38.3M8.73%+41,151Timeline
MDTMEDTRONIC PLCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 334,890 shares; 2024Q4: 320,000 shares; 2025Q1: 205,000 shares; 2025Q2: 224,000 shares; 2025Q3: 303,441 shares; 2025Q4: 269,644 shares 269,644$25.9M5.9%-33,797Timeline
BDXBECTON DICKINSON & COQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 77,280 shares; 2024Q4: 76,000 shares; 2025Q1: 82,000 shares; 2025Q2: 98,000 shares; 2025Q3: 108,829 shares; 2025Q4: 132,376 shares 132,376$25.7M5.86%+23,547Timeline
GILDGILEAD SCIENCES INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 289,163 shares; 2024Q4: 197,500 shares; 2025Q1: 140,000 shares; 2025Q2: 127,000 shares; 2025Q3: 147,239 shares; 2025Q4: 176,414 shares 176,414$21.7M4.94%+29,175Timeline
INCYINCYTE CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 259,000 shares; 2024Q4: 197,400 shares; 2025Q1: 159,000 shares; 2025Q2: 204,000 shares; 2025Q3: 205,114 shares; 2025Q4: 218,783 shares 218,783$21.6M4.93%+13,669Timeline
PFEPFIZER INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 820,000 shares; 2024Q4: 1,155,000 shares; 2025Q1: 925,000 shares; 2025Q2: 920,000 shares; 2025Q3: 1,252,086 shares; 2025Q4: 859,539 shares 859,539$21.4M4.88%-392,547Timeline
AMGNAMGEN INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 16,000 shares; 2024Q4: 46,000 shares; 2025Q1: 59,000 shares; 2025Q2: 44,000 shares; 2025Q3: 61,456 shares; 2025Q4: 60,956 shares 60,956$20M4.55%-500Timeline
BIIBBIOGEN INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 35,166 shares; 2024Q4: 29,000 shares; 2025Q1: 18,639 shares; 2025Q2: 50,639 shares; 2025Q3: 75,475 shares; 2025Q4: 85,475 shares 85,475$15M3.43%+10,000Timeline
IONSIONIS PHARMACEUTICALS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 210,842 shares; 2024Q4: 235,842 shares; 2025Q1: 285,842 shares; 2025Q2: 285,842 shares; 2025Q3: 270,963 shares; 2025Q4: 184,977 shares 184,977$14.6M3.34%-85,986Timeline
CVSCVS HEALTH CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 302,000 shares; 2024Q4: 217,000 shares; 2025Q1: 202,000 shares; 2025Q2: 163,000 shares; 2025Q3: 156,202 shares; 2025Q4: 177,599 shares 177,599$14.1M3.21%+21,397Timeline
CAHCARDINAL HEALTH INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 117,098 shares; 2024Q4: 88,000 shares; 2025Q1: 88,000 shares; 2025Q2: 66,000 shares; 2025Q3: 59,536 shares; 2025Q4: 61,946 shares 61,946$12.7M2.9%+2,410Timeline
TMOTHERMO FISHER SCIENTIFIC INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 25,500 shares; 2025Q3: 18,444 shares; 2025Q4: 21,688 shares 21,688$12.6M2.86%+3,244Timeline
BRKRBRUKER CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 158,970 shares; 2024Q4: 158,970 shares; 2025Q1: 211,970 shares; 2025Q2: 195,970 shares; 2025Q3: 250,909 shares; 2025Q4: 254,697 shares 254,697$12M2.73%+3,788Timeline
ZBHZIMMER BIOMET HOLDINGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 106,000 shares; 2024Q4: 137,714 shares; 2025Q1: 113,631 shares; 2025Q2: 88,631 shares; 2025Q3: 113,478 shares; 2025Q4: 132,478 shares 132,478$11.9M2.72%+19,000Timeline
BMRNBIOMARIN PHARMACEUTICAL INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 190,348 shares; 2024Q4: 217,348 shares; 2025Q1: 137,348 shares; 2025Q2: 122,348 shares; 2025Q3: 175,852 shares; 2025Q4: 198,505 shares 198,505$11.8M2.69%+22,653Timeline
ELVELEVANCE HEALTH INC FORMERLYQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 26,279 shares; 2024Q4: 17,279 shares; 2025Q1: 28,779 shares; 2025Q2: 18,779 shares; 2025Q3: 9,603 shares; 2025Q4: 32,546 shares 32,546$11.4M2.6%+22,943Timeline
CNCCENTENE CORP DELQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 95,000 shares; 2024Q4: 170,000 shares; 2025Q1: 177,000 shares; 2025Q2: 152,000 shares; 2025Q3: 213,210 shares; 2025Q4: 258,109 shares 258,109$10.6M2.42%+44,899Timeline
GEHCGE HEALTHCARE TECHNOLOGIES IQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 106,700 shares; 2024Q4: 50,000 shares; 2025Q1: 62,000 shares; 2025Q2: 74,000 shares; 2025Q3: 111,390 shares; 2025Q4: 114,390 shares 114,390$9.38M2.14%+3,000Timeline
EWEDWARDS LIFESCIENCES CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 106,153 shares; 2024Q4: 99,000 shares; 2025Q1: 123,000 shares; 2025Q2: 42,000 shares; 2025Q3: 72,980 shares; 2025Q4: 96,402 shares 96,402$8.22M1.87%+23,422Timeline
AVTRAVANTOR INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 372,638 shares; 2025Q3: 477,104 shares; 2025Q4: 695,403 shares 695,403$7.97M1.82%+218,299Timeline
BIOBIO RAD LABS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 16,829 shares; 2024Q4: 16,829 shares; 2025Q1: 13,829 shares; 2025Q2: 17,829 shares; 2025Q3: 22,827 shares; 2025Q4: 23,750 shares 23,750$7.2M1.64%+923Timeline
LHLABCORP HOLDINGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 19,484 shares; 2025Q3: 25,970 shares; 2025Q4: 27,019 shares 27,019$6.78M1.55%+1,049Timeline
LNTHLANTHEUS HLDGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 31,712 shares; 2024Q4: 25,712 shares; 2025Q1: 25,000 shares; 2025Q2: 50,301 shares; 2025Q3: 64,403 shares; 2025Q4: 93,823 shares 93,823$6.24M1.42%+29,420Timeline
TNDMTANDEM DIABETES CARE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 180,523 shares; 2025Q2: 210,523 shares; 2025Q3: 269,542 shares; 2025Q4: 267,091 shares 267,091$5.87M1.34%-2,451Timeline
REGNREGENERON PHARMACEUTICALSQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 7,165 shares 7,165$5.53M1.26%newTimeline
CRNXCRINETICS PHARMACEUTICALS INQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 115,000 shares 115,000$5.35M1.22%newTimeline
SNDXSYNDAX PHARMACEUTICALS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 210,814 shares; 2025Q4: 252,062 shares 252,062$5.3M1.21%+41,248Timeline
DXCMDEXCOM INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 50,000 shares; 2025Q3: 76,821 shares; 2025Q4: 76,122 shares 76,122$5.05M1.15%-699Timeline
HCAHCA HEALTHCARE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 8,000 shares; 2025Q3: 10,883 shares; 2025Q4: 10,784 shares 10,784$5.03M1.15%-99Timeline
KURAKURA ONCOLOGY INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 438,415 shares; 2025Q4: 455,841 shares 455,841$4.74M1.08%+17,426Timeline
PTCTPTC THERAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 65,250 shares; 2025Q1: 92,250 shares; 2025Q2: 92,250 shares; 2025Q3: 118,112 shares; 2025Q4: 61,923 shares 61,923$4.7M1.07%-56,189Timeline
ASNDASCENDIS PHARMA A/SQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 17,000 shares; 2025Q2: 17,000 shares; 2025Q3: 24,327 shares; 2025Q4: 16,305 shares 16,305$3.48M0.79%-8,022Timeline
CGONCG ONCOLOGY INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 52,039 shares 52,039$2.16M0.49%newTimeline
OGNORGANON & COQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 543,711 shares; 2025Q4: 300,000 shares 300,000$2.15M0.49%-243,711Timeline
CERTCERTARA INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 230,565 shares; 2025Q4: 230,565 shares 230,565$2.03M0.46%0Timeline

Sold out in Q4 2025

Positions in the previous quarter's report that this quarter's report no longer lists.

SecurityShares beforeValue beforeType
BAXBAXTER INTL INC381,551$8.69Mshares
VTRSVIATRIS INC668,851$6.62Mshares
HUMHUMANA INC23,942$6.23Mshares
ELANELANCO ANIMAL HEALTH INC307,271$6.19Mshares
ICLRICON PUB LTD CO24,967$4.37Mshares
SOLVSOLVENTUM CORP59,259$4.33Mshares
BNTXBIONTECH SE27,732$2.73Mshares
ACLXARCELLX INC32,009$2.63Mshares

How Q4 2025 was built

Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).

FilingRoleAmendmentFiledAcceptedIngested
13F-HR 0000945621-26-000283 base2026-02-12acceptance time not in the bulk data set