Seagate Technology Holdings plc
DE ˙ XTRA ˙ IE00BKVD2N49
38,91 € ↓ -0,56 (-1,41%)
2017-05-15
DEL PRIS
SecurityDE:STT / Seagate Technology Holdings plc
InstitutionDaiwa Securities Group Inc.
Latest Disclosed Ownership58,131 shares
Latest Disclosed Value $ 22,773,401
Daiwa Securities Group Inc. reports 7.50% increase in ownership of STT / Seagate Technology Holdings plc

On May 13, 2026 - Daiwa Securities Group Inc. filed a 13F-HR form disclosing ownership of 58,131 shares of Seagate Technology Holdings plc (DE:STT) valued at $22,773,401 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 10, 2026 disclosing 54,073 shares of Seagate Technology Holdings plc. This represents a change in shares of 7.50% during the quarter. The current value of the position is $2,261,877 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)
2026-05-13 2026-03-31 13F SEAGATE TECHNOLOGY HLDNGS PL ORD SHS G7997R103 58,131 4,058 7.50 22,773 162,564.29 0.0384
2026-02-10 2025-12-31 13F SEAGATE TECHNOLOGY HLDNGS PL ORD SHS G7997R103 54,073 17,752 48.88 15 75.00 0.0476
2025-11-14 2025-09-30 13F SEAGATE TECHNOLOGY HLDNGS PL ORD SHS G7997R103 36,321 1,240 3.53 9 60.00 0.0289
2025-08-14 2025-06-30 13F SEAGATE TECHNOLOGY HLDNGS PL ORD SHS G7997R103 35,081 1,593 4.76 5 150.00 0.0187
2025-05-13 2025-03-31 13F SEAGATE TECHNOLOGY HLDNGS PL ORD SHS G7997R103 33,488 2,162 6.90 3 0.00 0.0120
2025-02-07 2024-12-31 13F SEAGATE TECHNOLOGY HLDNGS PL ORD SHS G7997R103 31,326 3,353 11.99 3 -33.33 0.0121
2024-11-12 2024-09-30 13F SEAGATE TECHNOLOGY HLDNGS PL ORD SHS G7997R103 27,973 287 1.04 3 50.00 0.0142
2024-08-07 2024-06-30 13F SEAGATE TECHNOLOGY HLDNGS PL SHS G7997R103 27,686 4,419 18.99 3 0.00 0.0152
2024-05-02 2024-03-31 13F SEAGATE TECHNOLOGY HLDNGS PL SHS G7997R103 23,267 1,743 8.10 2 100.00 0.0122
2024-01-31 2023-12-31 13F SEAGATE TECHNOLOGY HLDNGS PL SHS G7997R103 21,524 5,881 37.60 2 0.00 0.0114
2023-11-01 2023-09-30 13F SEAGATE TECHNOLOGY HLDNGS PL SHS G7997R103 15,643 -3,810 -19.59 1 0.00 0.0074
2023-07-31 2023-06-30 13F SEAGATE TECHNOLOGY HLDNGS PL SHS G7997R103 19,453 4,840 33.12 1 0.0080
2023-05-02 2023-03-31 13F SEAGATE TECHNOLOGY HLDNGS PL SHS G7997R103 14,613 778 5.62 1 0.0067
2023-02-06 2022-12-31 13F SEAGATE TECHNOLOGY HLDNGS PL SHS G7997R103 13,835 -5,629 -28.92 1 -100.00 0.0056
2022-11-02 2022-09-30 13F SEAGATE TECHNOLOGY HLDNGS PL SHS G7997R103 19,464 -56 -0.29 1,036 -25.73 0.0086
2022-08-09 2022-06-30 13F SEAGATE TECHNOLOGY HLDNGS PL SHS G7997R103 19,520 -48,244 -71.19 1,395 -77.10 0.0107
2022-04-29 2022-03-31 13F SEAGATE TECHNOLOGY HLDNGS PL SHS G7997R103 67,764 49,498 270.98 6,092 195.30 0.0282
2022-04-29 2022-03-31 13F SEAGATE TECHNOLOGY HLDNGS PL SHS G7997R103 18,458 1,659
2022-02-03 2021-12-31 13F SEAGATE TECHNOLOGY HLDNGS PL ORD SHS G7997R103 18,266 1,655 9.96 2,063 50.47 0.0121
2021-11-05 2021-09-30 13F SEAGATE TECHNOLOGY HLDNGS PL SHS G7997R103 16,611 -202 -1.20 1,371 -7.24 0.0090
2021-08-06 2021-06-30 13F SEAGATE TECHNOLOGY HLDNGS PL SHS G7997R103 16,813 887 5.57 1,478 20.95 0.0100
2021-05-03 2021-03-31 13F SEAGATE TECHNOLOGY SHS G7945M107 15,926 4,755 42.57 1,222 76.08 0.0091
2021-02-04 2020-12-31 13F SEAGATE TECHNOLOGY SHS G7945M107 11,171 0 0.00 694 26.18 0.0054
2020-11-02 2020-09-30 13F SEAGATE TECHNOLOGY SHS G7945M107 11,171 -742 -6.23 550 1,618.75 0.0050
2020-08-11 2020-06-30 13F SEAGATE TECHNOLOGY SHS G7945M107 11,913 0 0.00 32 -94.49 0.0007
2020-05-14 2020-03-31 13F SEAGATE TECHNOLOGY SHS G7945M107 11,913 1,823 18.07 581 -2.19 0.0060
2020-01-31 2019-12-31 13F SEAGATE TECHNOLOGY SHS G7945M107 10,090 70 0.70 594 10.20 0.0049
2019-11-04 2019-09-30 13F SEAGATE TECHNOLOGY SHS G7945M107 10,020 -500 -4.75 539 8.67 0.0046
2019-07-24 2019-06-30 13F SEAGATE TECHNOLOGY SHS G7945M107 10,520 0 0.00 496 -1.59 0.0044
2019-04-26 2019-03-31 13F SEAGATE TECHNOLOGY SHS G7945M107 10,520 10,520 504 0.0044
2019-02-05 2018-12-31 13F SEAGATE TECHNOLOGY SHS G7945M107 0 -12,270 -100.00 0 -100.00
2018-11-01 2018-09-30 13F SEAGATE TECHNOLOGY SHS G7945M107 12,270 260 2.16 581 -14.31 0.0049
2018-07-30 2018-06-30 13F SEAGATE TECHNOLOGY SHS G7945M107 12,010 2,300 23.69 678 19.37 0.0053
2018-05-02 2018-03-31 13F SEAGATE TECHNOLOGY SHS G7945M107 9,710 743 8.29 568 51.47 0.0045
2018-02-06 2017-12-31 13F SEAGATE TECHNOLOGY SHS G7945M107 8,967 -5,990 -40.05 375 -24.40 0.0027
2017-11-02 2017-09-30 13F SEAGATE TECHNOLOGY SHS G7945M107 14,957 357 2.45 496 -12.37 0.0034
2017-07-28 2017-06-30 13F SEAGATE TECHNOLOGY SHS G7945M107 14,600 -13,100 -47.29 566 -55.50 0.0037
2017-05-02 2017-03-31 13F SEAGATE TECHNOLOGY SHS G7945M107 27,700 -6,200 -18.29 1,272 -1.70 0.0080
2017-02-01 2016-12-31 13F SEAGATE TECHNOLOGY SHS G7945M107 33,900 25,400 298.82 1,294 294.51 0.0083
2017-01-10 2016-09-30 13F/A-1 SEAGATE TECHNOLOGY SHS G7945M107 8,500 1,600 23.19 328 95.24 0.0020
2016-11-04 2016-09-30 13F SEAGATE TECHNOLOGY SHS G7945M107 8,500 328
2016-07-25 2016-06-30 13F SEAGATE TECHNOLOGY SHS G7945M107 6,900 0 0.00 168 -29.41 0.0010
2016-05-12 2016-03-31 13F SEAGATE TECHNOLOGY SHS G7945M107 6,900 -600 -8.00 238 -13.45 0.0015
2016-02-04 2015-12-31 13F SEAGATE TECHNOLOGY SHS G7945M107 7,500 0 0.00 275 -18.15 0.0018
2015-11-10 2015-09-30 13F SEAGATE TECHNOLOGY SHS G7945M107 7,500 0 0.00 336 -5.62 0.0024
2015-08-05 2015-06-30 13F SEAGATE TECHNOLOGY SHS G7945M107 7,500 0 0.00 356 -8.72 0.0025
2015-05-12 2015-03-31 13F SEAGATE TECHNOLOGY SHS G7945M107 7,500 -700 -8.54 390 -28.44 0.0026
2015-02-13 2014-12-31 13F SEAGATE TECHNOLOGY SHS G7945M107 8,200 -500 -5.75 545 9.44 0.0038
2014-11-12 2014-09-30 13F SEAGATE TECHNOLOGY SHS G7945M107 8,700 0 0.00 498 0.81 0.0038
2014-08-13 2014-06-30 13F/A-1 SEAGATE TECHNOLOGY SHS G7945M107 8,700 0 0.00 494 1.02 0.0037
2014-08-13 2014-06-30 13F SEAGATE TECHNOLOGY SHS G7945M107 8,700 494
2014-05-14 2014-03-31 13F/A-1 SEAGATE TECHNOLOGY SHS G7945M107 8,700 -1,500 489 0.0038
2014-05-15 2014-03-31 13F/A-2 SEAGATE TECHNOLOGY SHS G7945M107 8,700 -1,500 -14.71 489 -14.66 0.0038
2014-05-13 2014-03-31 13F SEAGATE TECHNOLOGY SHS G7945M107 8,700 489
2014-02-13 2013-12-31 13F SEAGATE TECHNOLOGY SHS G7945M107 10,200 -100 -0.97 573 27.05 0.0049
2013-11-14 2013-09-30 13F SEAGATE TECHNOLOGY SHS G7945M107 10,300 0 0.00 451 -2.38 0.0036
2013-08-16 2013-06-30 13F/A-1 SEAGATE TECHNOLOGY SHS G7945M107 10,300 10,300 462 0.0035
2013-08-13 2013-06-30 13F SEAGATE TECHNOLOGY SHS G7945M107 10,300 462
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.