Holders over time
- GKOS
- VRTX
| Quarter | GKOS | VRTX |
|---|---|---|
| Q3 2020 | 7 holders, $495m | 31 holders, $21.9bn |
| Q4 2020 | 6 holders, $742m | 30 holders, $18.4bn |
| Q1 2021 | 8 holders, $1.1bn | 31 holders, $15.4bn |
| Q2 2021 | 7 holders, $857m | 30 holders, $12.7bn |
| Q3 2021 | 11 holders, $539m | 35 holders, $10.1bn |
| Q4 2021 | 11 holders, $452m | 28 holders, $12.4bn |
| Q1 2022 | 8 holders, $622m | 23 holders, $16.1bn |
| Q2 2022 | 8 holders, $497m | 25 holders, $18.1bn |
| Q3 2022 | 11 holders, $492m | 22 holders, $18.4bn |
| Q4 2022 | 9 holders, $435m | 28 holders, $18.4bn |
| Q1 2023 | 9 holders, $510m | 26 holders, $21.4bn |
| Q2 2023 | 8 holders, $729m | 27 holders, $24.7bn |
| Q3 2023 | 7 holders, $551m | 33 holders, $24.3bn |
| Q4 2023 | 9 holders, $768m | 32 holders, $28.6bn |
| Q1 2024 | 6 holders, $1.1bn | 31 holders, $29.8bn |
| Q2 2024 | 7 holders, $1.4bn | 29 holders, $33.4bn |
| Q3 2024 | 7 holders, $1.5bn | 27 holders, $33.5bn |
| Q4 2024 | 10 holders, $1.9bn | 26 holders, $28.5bn |
| Q1 2025 | 10 holders, $1.3bn | 21 holders, $35.4bn |
| Q2 2025 | 10 holders, $1.6bn | 21 holders, $32.3bn |
| Q3 2025 | 9 holders, $736m | 22 holders, $25.9bn |
| Q4 2025 | 7 holders, $1.0bn | 26 holders, $31.8bn |
| Q1 2026 | 8 holders, $1.2bn | 25 holders, $31.8bn |
| Q2 2026 | 9 holders, $1.5bn | 26 holders, $34.6bn |
Glaukos Corp
- Holders
- 10
- Reported value
- $1.3bn
- Buyers
- 6
- Sellers
- 2
Breadth +4 among 95 comparable managers.
Vertex Pharmaceuticals Inc
- Holders
- 21
- Reported value
- $35.4bn
- Buyers
- 10
- Sellers
- 11
Breadth -1 among 95 comparable managers.
Who holds both, Q1 2025
Both (7)
AllianceBernstein LP, Artisan Partners LP, Capital World Investors, Fidelity (FMR LLC), Janus Henderson Group Ltd, Marshall Wace LLP, Wellington Management Group LLP
Only GKOS (3)
ExodusPoint Capital Management LP, Farallon Capital Management LLC, Holocene Advisors LP
Only VRTX (14)
AQR Capital Management LLC, ARK Investment Management LLC, Baillie Gifford & Co, Capital Research Global Investors, Element Capital Management LLC, Hudson Bay Capital Management LP, Invesco Ltd, MFS Investment Management, Millennium Management LLC, Neuberger Berman Group LLC, PDT Partners LLC, Renaissance Technologies LLC, T. Rowe Price Associates Inc, Woodline Partners LP
How much of the picture this is
A 13F is a manager’s long US-listed equity book at a quarter end, filed up to 45 days later. Buyers and sellers count comparable managers (those that filed both quarters) by shares, so a rise in value with no rise in shares is the price. Large books are listed to their largest positions. These are 95 tracked managers, not the institutional market.