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29 April 2026

Institutional Manager · CIK 0001300336

Tekla Capital Management LLC

Boston, MA · File #028-10950

Latest AUM
$2.56B
Positions
166
Top-10 Concentration
47.9%
Filings
3

Sector Allocation

Healthcare
80.9%$2.07B
Real Estate
0.6%$16.0M
Financials
0.0%$575,861

Filing History

View all filings →

Top 20 Holdings — Sep 2023

#IssuerTickerSharesValue% of Portfolio
1Amgen Inc.AMGN616,539$136.9M6.37%
2Johnson & JohnsonJNJ721,779$119.5M5.56%
3Gilead Sciences, Inc.GILD1,533,884$118.2M5.50%
4Regeneron Pharmaceuticals, Inc.REGN161,418$116.0M5.39%
5Vertex Pharmaceuticals Inc.VRTX318,043$111.9M5.20%
6Eli Lilly and CompanyLLY213,352$100.1M4.65%
7Unitedhealth Group Inc.UNH206,961$99.5M4.63%
8Merck & Co., Inc.MRK728,154$84.0M3.91%
9AbbVie Inc.ABBV545,629$73.5M3.42%
10Biogen Inc.BIIB247,943$70.6M3.28%
11AstraZeneca PLCAZN976,676$69.9M3.25%
12Illumina, Inc.ILMN336,979$63.2M2.94%
13Abbott LaboratoriesABLZF552,455$60.2M2.80%
14Pfizer Inc.PFE1,624,476$59.6M2.77%
15Thermo Fisher Scientific Inc.TMO98,987$51.6M2.40%
16Elevance Health, Inc.ELV114,070$50.7M2.36%
17Moderna, Inc.MRNA343,695$41.8M1.94%
18Boston Scientific Corp.BSX657,790$35.6M1.65%
19Danaher Corp.235851102142,813$34.3M1.59%
20Medtronic plcMDT344,417$30.3M1.41%