William Blair Investment Management, Llc
Source: SEC Form 13F · as of Mar 2026William Blair Investment Management, Llc holds 8 biotech & pharma companies tracked by BioSniper, totaling $567.5M in value as of Mar 2026 (SEC Form 13F).
Companies held
8
Total value held
$567.5M
BioSniper AIPage context preserved
Prepared research question
What matters most for ARGENX SE (ARGX)—catalysts, financial risk and supporting evidence?
Run cited research
Traceable citations · Unknowns marked
| Company | Shares | Value |
|---|---|---|
| ARGXARGENX SE | 266,067 | $194.4M |
| INSMINSMED Inc | 902,666 | $147.6M |
| CYTKCYTOKINETICS INC | 1,087,591 | $71.7M |
| VCELVericel Corp | 1,832,709 | $59.0M |
| TEVATeva Pharmaceutical Industries Limited | 1,425,667 | $42.9M |
| ANIPANI PHARMACEUTICALS INC | 327,276 | $25.2M |
| JAZZJazz Pharmaceuticals plc | 70,883 | $13.4M |
| INVAInnoviva, Inc. | 574,825 | $13.4M |
13F holdings reflect long positions in U.S.-listed securities as reported to the SEC. Values are point-in-time for the most recent reported quarter.