재즈 파마슈티컬스 plc
US ˙ NasdaqGS ˙ IE00B4Q5ZN47

SecurityJAZZ / Jazz Pharmaceuticals plc
InstitutionWestpac Banking Corp
Latest Disclosed Ownership269 shares
Latest Disclosed Value $ 50,854
Westpac Banking Corp ownership in JAZZ / Jazz Pharmaceuticals plc

On May 11, 2026 - Westpac Banking Corp filed a 13F-HR form disclosing ownership of 269 shares of Jazz Pharmaceuticals plc (US:JAZZ) valued at $50,854 USD as of March 31, 2026. The entity filed a previous 13F-HR/A on August 14, 2024 disclosing 0 shares of Jazz Pharmaceuticals plc. The current value of the position is $64,576 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)
2026-05-11 2026-03-31 13F JAZZ PHARMACEUTICALS SHS USD G50871105 269 269 51 0.0018
2024-08-14 2024-06-30 13F/A-1 JAZZ PHARMACEUTICALS SHS USD G50871105 0 -3,018 -100.00 0 -100.00
2024-08-13 2024-06-30 13F JAZZ PHARMACEUTICALS SHS USD G50871105 0 0
2024-05-09 2024-03-31 13F JAZZ PHARMACEUTICALS SHS USD G50871105 3,018 3,018 363 0.0277
2023-08-10 2023-06-30 13F JAZZ PHARMACEUTICALS SHS USD G50871105 0 -4,873 -100.00 0 -100.00
2023-05-04 2023-03-31 13F JAZZ PHARMACEUTICALS SHS USD G50871105 4,873 0 0.00 713 -8.12 0.0096
2023-02-06 2022-12-31 13F JAZZ PHARMACEUTICALS COM CL A G50871105 4,873 0 0.00 776 19.57 0.0115
2022-11-08 2022-09-30 13F JAZZ PHARMACEUTICALS SHS USD G50871105 4,873 0 0.00 650 -14.61 0.0099
2022-08-10 2022-06-30 13F JAZZ PHARMACEUTICALS SHS USD G50871105 4,873 0 0.00 760 0.26 0.0099
2022-05-11 2022-03-31 13F JAZZ PHARMACEUTICALS SHS USD G50871105 4,873 0 0.00 759 22.26 0.0087
2022-02-08 2021-12-31 13F JAZZ PHARMACEUTICALS SHS USD G50871105 4,873 0 0.00 621 -2.21 0.0064
2021-10-27 2021-09-30 13F JAZZ PHARMACEUTICALS SHS USD G50871105 4,873 0 0.00 635 -26.71 0.0068
2021-08-11 2021-06-30 13F JAZZ PHARMACEUTICALS SHS USD G50871105 4,873 4,873 866 0.0087
2021-05-13 2021-03-31 13F JAZZ PHARMACEUTICALS SHS USD G50871105 0 -4,873 -100.00 0 -100.00
2021-02-11 2020-12-31 13F JAZZ PHARMACEUTICALS SHS USD G50871105 4,873 0 0.00 804 15.85 0.0091
2020-11-10 2020-09-30 13F JAZZ PHARMACEUTICALS SHS USD G50871105 4,873 0 0.00 695 29.24 0.0094
2020-08-12 2020-06-30 13F JAZZ PHARMACEUTICALS SHS USD G50871105 4,873 0 0.00 538 10.49 0.0080
2020-05-14 2020-03-31 13F JAZZ PHARMACEUTICALS SHS USD G50871105 4,873 0 0.00 486 -33.15 0.0084
2020-02-11 2019-12-31 13F JAZZ PHARMACEUTICALS SHS USD G50871105 4,873 0 0.00 727 16.51 0.0094
2019-11-13 2019-09-30 13F JAZZ PHARMACEUTICALS SHS USD G50871105 4,873 4,873 0.00 624 -14.17 0.0087
2019-05-13 2019-03-31 13F JAZZ PHARMACEUTICALS SHS USD G50871105 0 -3,283 -100.00 0 -100.00
2019-02-07 2018-12-31 13F JAZZ PHARMACEUTICALS SHS USD G50871105 3,283 3,283 407 0.0069
2018-01-18 2017-12-31 13F JAZZ PHARMACEUTICALS SHS USD G50871105 0 -3,283 -100.00 0 -100.00
2017-10-30 2017-09-30 13F JAZZ PHARMACEUTICALS SHS USD G50871105 3,283 -133 -3.89 480 -9.60 0.0106
2017-08-09 2017-06-30 13F JAZZ PHARMACEUTICALS SHS USD G50871105 3,416 -2,624 -43.44 531 -39.38 0.0117
2017-05-18 2017-03-31 13F/A-1 JAZZ PHARMACEUTICALS SHS USD G50871105 6,040 -7,563 -55.60 877 -54.82 0.0070
2017-05-11 2017-03-31 13F JAZZ PHARMACEUTICALS SHS USD G50871105 2,624 381
2017-02-09 2016-12-31 13F JAZZ PHARMACEUTICALS SHS USD G50871105 13,603 -6,566 -32.55 1,939 -20.86 0.0183
2016-11-10 2016-09-30 13F JAZZ PHARMACEUTICALS SHS USD G50871105 20,169 14,153 235.26 2,450 188.24 0.0265
2016-08-10 2016-06-30 13F JAZZ PHARMACEUTICALS SHS USD G50871105 6,016 1,590 35.92 850 47.31 0.0093
2016-05-13 2016-03-31 13F JAZZ PHARMACEUTICALS SHS USD G50871105 4,426 2,650 149.21 578 131.73 0.0063
2016-02-11 2015-12-31 13F JAZZ PHARMACEUTICALS SHS USD G50871105 1,776 -1,715,901 -99.90 250 -99.89 0.0028
2015-11-16 2015-09-30 13F/A-1 JAZZ PHARMACEUTICALS SHS USD G50871105 1,717,677 -137,898 -7.43 228,125 -30.18 2.5107
2015-11-12 2015-09-30 13F JAZZ PHARMACEUTICALS SHS USD G50871105 1,717,677 228,125
2015-08-12 2015-06-30 13F JAZZ PHARMACEUTICALS SHS USD G50871105 1,855,575 247,503 15.39 326,711 17.55 3.1952
2015-05-12 2015-03-31 13F JAZZ PHARMACEUTICALS SHS USD G50871105 1,608,072 152,985 10.51 277,939 16.66 2.4146
2015-02-11 2014-12-31 13F JAZZ PHARMACEUTICALS SHS USD G50871105 1,455,087 62,957 4.52 238,241 6.59 2.2664
2014-11-12 2014-09-30 13F JAZZ PHARMACEUTICALS SHS USD G50871105 1,392,130 -143,729 -9.36 223,520 -1.00 2.1784
2014-08-11 2014-06-30 13F JAZZ PHARMACEUTICALS SHS USD G50871105 1,535,859 271,737 21.50 225,787 28.79 2.1753
2014-05-12 2014-03-31 13F JAZZ PHARMACEUTICALS SHS USD G50871105 1,264,122 -124,002 -8.93 175,308 -0.21 1.8670
2014-02-13 2013-12-31 13F JAZZ PHARMACEUTICALS SHS USD G50871105 1,388,124 -2,649,711 -65.62 175,681 -44.36 2.0099
2013-11-12 2013-09-30 13F JAZZ PHARMACEUTICALS SHS USD G50871105 4,037,835 4,037,835 315,754 3.9472
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.