Holders over time
- INSM
- VRTX
| Quarter | INSM | VRTX |
|---|---|---|
| Q3 2020 | 9 holders, $1.2bn | 31 holders, $21.9bn |
| Q4 2020 | 8 holders, $1.0bn | 30 holders, $18.4bn |
| Q1 2021 | 6 holders, $816m | 31 holders, $15.4bn |
| Q2 2021 | 6 holders, $800m | 30 holders, $12.7bn |
| Q3 2021 | 7 holders, $803m | 35 holders, $10.1bn |
| Q4 2021 | 7 holders, $760m | 28 holders, $12.4bn |
| Q1 2022 | 8 holders, $680m | 23 holders, $16.1bn |
| Q2 2022 | 7 holders, $566m | 25 holders, $18.1bn |
| Q3 2022 | 10 holders, $379m | 22 holders, $18.4bn |
| Q4 2022 | 8 holders, $360m | 28 holders, $18.4bn |
| Q1 2023 | 6 holders, $282m | 26 holders, $21.4bn |
| Q2 2023 | 6 holders, $353m | 27 holders, $24.7bn |
| Q3 2023 | 7 holders, $415m | 33 holders, $24.3bn |
| Q4 2023 | 8 holders, $539m | 32 holders, $28.6bn |
| Q1 2024 | 8 holders, $437m | 31 holders, $29.8bn |
| Q2 2024 | 16 holders, $2.2bn | 29 holders, $33.4bn |
| Q3 2024 | 18 holders, $2.3bn | 27 holders, $33.5bn |
| Q4 2024 | 14 holders, $1.6bn | 26 holders, $28.5bn |
| Q1 2025 | 14 holders, $1.9bn | 21 holders, $35.4bn |
| Q2 2025 | 23 holders, $3.7bn | 21 holders, $32.3bn |
| Q3 2025 | 20 holders, $5.8bn | 22 holders, $25.9bn |
| Q4 2025 | 19 holders, $6.6bn | 26 holders, $31.8bn |
| Q1 2026 | 19 holders, $7.0bn | 25 holders, $31.8bn |
| Q2 2026 | 21 holders, $5.0bn | 26 holders, $34.6bn |
Insmed Inc
- Holders
- 18
- Reported value
- $2.3bn
- Buyers
- 10
- Sellers
- 10
Breadth 0 among 94 comparable managers.
Vertex Pharmaceuticals Inc
- Holders
- 27
- Reported value
- $33.5bn
- Buyers
- 17
- Sellers
- 10
Breadth +7 among 94 comparable managers.
Who holds both, Q3 2024
Both (12)
AllianceBernstein LP, Artisan Partners LP, Fidelity (FMR LLC), Hudson Bay Capital Management LP, Janus Henderson Group Ltd, Man Group PLC, Marshall Wace LLP, T. Rowe Price Associates Inc, Two Sigma Advisers LP, Two Sigma Investments LP, Voloridge Investment Management LLC, Woodline Partners LP
Only INSM (6)
Caxton Associates LLP, ExodusPoint Capital Management LP, Farallon Capital Management LLC, Point72 Asset Management LP, Soros Fund Management LLC, Squarepoint Ops LLC
Only VRTX (15)
AQR Capital Management LLC, ARK Investment Management LLC, Baillie Gifford & Co, Brevan Howard Capital Management LP, Capital Research Global Investors, Capital World Investors, D. E. Shaw & Co., Egerton Capital UK LLP, Invesco Ltd, MFS Investment Management, Neuberger Berman Group LLC, Renaissance Technologies LLC, Schonfeld Strategic Advisors LLC, Wellington Management Group LLP, Winton Group Ltd
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.