Vertex Pharmaceuticals Incorporated
US ˙ NasdaqGS ˙ US92532F1003

SecurityVRTX / Vertex Pharmaceuticals Incorporated
InstitutionOxford Asset Management Llp
Latest Disclosed Ownership2,499 shares
Latest Disclosed Value $ 1,115,903
Oxford Asset Management Llp reports 64.19% increase in ownership of VRTX / Vertex Pharmaceuticals Incorporated

On May 15, 2026 - Oxford Asset Management Llp filed a 13F-HR form disclosing ownership of 2,499 shares of Vertex Pharmaceuticals Incorporated (US:VRTX) valued at $1,115,903 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 17, 2026 disclosing 1,522 shares of Vertex Pharmaceuticals Incorporated. This represents a change in shares of 64.19% during the quarter. The current value of the position is $1,116,628 USD.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date
Effective
Date
Form Security Class ID Avg Price
Paid (Est)
Reported
Shares
ΔShares ΔShares
(%)
Reported
Value
(x1000)
ΔValue
(%)
Alloc
(%)
ΔAlloc ΔAlloc (%) Cost Basis
(x1000)
Unrealized
Gain/Loss
(x1000)
2026-05-15 2026-03-31 13F VERTEX PHARMACEUTICALS COM 92532F100 2,499 977 64.19 1,116 61.59 0.4806
2026-02-17 2025-12-31 13F VERTEX PHARMACEUTICALS COM 92532F100 1,522 1,522 690 0.2808
2025-08-14 2025-06-30 13F VERTEX PHARMACEUTICALS COM 92532F100 0 -3,202 -100.00 0 -100.00
2025-08-14 2025-06-30 13F VERTEX PHARMACEUTICALS COM 92532F100 0 -3,202 0
2025-05-15 2025-03-31 13F VERTEX PHARMACEUTICALS COM 92532F100 3,202 3,202 1,552 0.7860
2025-02-14 2024-12-31 13F VERTEX PHARMACEUTICALS COM 92532F100 0 -689 -100.00 0 -100.00
2024-11-14 2024-09-30 13F VERTEX PHARMACEUTICALS COM 92532F100 689 181 35.63 320 55.34 0.3135
2024-02-09 2023-12-31 13F VERTEX PHARMACEUTICALS COM 92532F100 508 508 207 0.3732
2020-05-15 2020-03-31 13F VERTEX PHARMACEUTICALS COM 92532F100 0 -7,846 -100.00 0 -100.00
2020-02-13 2019-12-31 13F VERTEX PHARMACEUTICALS COM 92532F100 7,846 7,846 1,718 0.0541
2019-11-14 2019-09-30 13F VERTEX PHARMACEUTICALS COM 92532F100 0 -6,740 -100.00 0 -100.00
2019-08-14 2019-06-30 13F VERTEX PHARMACEUTICALS COM 92532F100 6,740 -4,106 -37.86 1,236 -38.05 0.0285
2019-05-15 2019-03-31 13F VERTEX PHARMACEUTICALS COM 92532F100 10,846 -23,825 -68.72 1,995 -65.27 0.0456
2019-02-14 2018-12-31 13F VERTEX PHARMACEUTICALS COM 92532F100 34,671 34,671 5,745 0.1637
2018-11-14 2018-09-30 13F VERTEX PHARMACEUTICALS COM 92532F100 0 -14,682 -100.00 0 -100.00
2018-08-13 2018-06-30 13F VERTEX PHARMACEUTICALS COM 92532F100 14,682 -5,706 -27.99 2,450 -26.27 0.0521
2018-05-15 2018-03-31 13F VERTEX PHARMACEUTICALS COM 92532F100 20,388 20,388 3,323 0.0918
2017-11-13 2017-09-30 13F VERTEX PHARMACEUTICALS COM 92532F100 0 -34,803 -100.00 0 -100.00
2017-08-11 2017-06-30 13F VERTEX PHARMACEUTICALS COM 92532F100 34,803 2,042 6.23 4,485 25.21 0.1195
2017-05-09 2017-03-31 13F VERTEX PHARMACEUTICALS COM 92532F100 32,761 32,761 3,582 0.1097
2015-10-14 2015-09-30 13F VERTEX PHARMACEUTICALS COM 92532F100 0 -2,187 -100.00 0 -100.00
2015-08-13 2015-06-30 13F/A-1 VERTEX PHARMACEUTICALS COM 92532F100 2,187 2,187 270 0.0096
2015-08-11 2015-06-30 13F VERTEX PHARMACEUTICALS COM 92532F100 2,187 270
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.