Leidos Holdings, Inc.
MX ˙ BMV ˙ US5253271028
SecurityMX:LDOS / Leidos Holdings, Inc.
InstitutionQuadrant Capital Group Llc
Latest Disclosed Ownership3,162 shares
Latest Disclosed Value $ 491,755
Quadrant Capital Group Llc reports 3.33% increase in ownership of LDOS / Leidos Holdings, Inc.

On May 13, 2026 - Quadrant Capital Group Llc filed a 13F-HR/A form disclosing ownership of 3,162 shares of Leidos Holdings, Inc. (MX:LDOS) valued at $491,755 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 12, 2026 disclosing 3,060 shares of Leidos Holdings, Inc.. This represents a change in shares of 3.33% during the quarter.

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/A-1 LEIDOS HOLDINGS COM 525327102 3,162 102 3.33 492 -11.05 0.0147
2026-05-11 2026-03-31 13F LEIDOS HOLDINGS COM 525327102 3,162 102 49 0.0369
2026-02-12 2025-12-31 13F LEIDOS HOLDINGS COM 525327102 3,060 20 0.66 552 -3.83 0.0167
2025-11-13 2025-09-30 13F LEIDOS HOLDINGS COM 525327102 3,040 21 0.70 574 20.59 0.0187
2025-08-13 2025-06-30 13F LEIDOS HOLDINGS COM 525327102 3,019 1,231 68.85 476 97.51 0.0171
2025-05-13 2025-03-31 13F LEIDOS HOLDINGS COM 525327102 1,788 747 71.76 241 61.74 0.0090
2025-02-13 2024-12-31 13F LEIDOS HOLDINGS COM 525327102 1,041 3 0.29 150 -11.83 0.0103
2024-11-12 2024-09-30 13F LEIDOS HOLDINGS COM 525327102 1,038 -16 -1.52 169 10.46 0.0118
2024-08-12 2024-06-30 13F LEIDOS HOLDINGS COM 525327102 1,054 0 0.00 154 10.87 0.0114
2024-05-15 2024-03-31 13F LEIDOS HOLDINGS COM 525327102 1,054 -49 -4.44 138 15.97 0.0109
2024-02-08 2023-12-31 13F LEIDOS HOLDINGS COM 525327102 1,103 84 8.24 119 27.96 0.0103
2023-11-14 2023-09-30 13F LEIDOS HOLDINGS COM 525327102 1,019 -25 -2.39 94 1.09 0.0094
2023-08-10 2023-06-30 13F LEIDOS HOLDINGS COM 525327102 1,044 -29 -2.70 92 -6.12 0.0092
2023-05-11 2023-03-31 13F LEIDOS HOLDINGS COM 525327102 1,073 249 30.22 99 13.95 0.0103
2023-02-13 2022-12-31 13F LEIDOS HOLDINGS COM 525327102 824 58 7.57 87 28.36 0.0098
2022-11-10 2022-09-30 13F LEIDOS HOLDINGS COM 525327102 766 -31 -3.89 67 -16.25 0.0089
2022-08-09 2022-06-30 13F LEIDOS HOLDINGS COM 525327102 797 -5 -0.62 80 -6.98 0.0107
2022-05-06 2022-03-31 13F LEIDOS HOLDINGS COM 525327102 802 30 3.89 86 24.64 0.0104
2022-02-01 2021-12-31 13F LEIDOS HOLDINGS COM 525327102 772 -49 -5.97 69 -12.66 0.0082
2021-11-12 2021-09-30 13F LEIDOS HOLDINGS COM 525327102 821 11 1.36 79 -3.66 0.0110
2021-08-09 2021-06-30 13F LEIDOS HOLDINGS COM 525327102 810 -23 -2.76 82 2.50 0.0119
2021-05-12 2021-03-31 13F LEIDOS HOLDINGS COM 525327102 833 43 5.44 80 -3.61 0.0130
2021-02-16 2020-12-31 13F LEIDOS HOLDINGS COM 525327102 790 -111 -12.32 83 3.75 0.0154
2020-11-13 2020-09-30 13F LEIDOS HOLDINGS COM 525327102 901 -196 -17.87 80 -22.33 0.0174
2020-08-13 2020-06-30 13F LEIDOS HOLDINGS COM 525327102 1,097 77 7.55 103 8.42 0.0228
2020-05-15 2020-03-31 13F Leidos Holdings Com 525327102 1,020 124 13.84 95 13.10 0.0159
2020-03-19 2019-12-31 13F/A-1 Leidos Holdings Com 525327102 896 462 106.45 84 147.06 0.0101
2020-02-03 2019-12-31 13F Leidos Holdings Com 525327102 896 462 84 283.8470
2019-10-24 2019-09-30 13F Leidos Holdings COM 525327102 434 0 0.00 34 6.25 0.0052
2019-07-24 2019-06-30 13F Leidos Holdings COM 525327102 434 0 0.00 32 23.08 0.0051
2019-04-29 2019-03-31 13F Leidos Holdings COM 525327102 434 -329 -43.12 26 -29.73 0.0046
2019-01-17 2018-12-31 13F LEIDOS HOLDINGS COM 525327102 763 0 0.00 37 -26.00 0.0099
2018-10-29 2018-09-30 13F LEIDOS HOLDINGS COM 525327102 763 0 0.00 50 21.95 0.0143
2018-08-08 2018-06-30 13F LEIDOS HOLDINGS COM 525327102 763 0 0.00 41 -14.58 0.0144
2018-05-10 2018-03-31 13F LEIDOS HOLDINGS COM 525327102 763 0 0.00 48 0.00 0.0174
2018-01-31 2017-12-31 13F Leidos Holdings COM 525327102 763 0 0.00 48 17.07 0.0191
2017-10-13 2017-09-30 13F Leidos Holdings COM 525327102 763 53 7.46 41 36.67 0.0169
2017-08-14 2017-06-30 13F Leidos Holdings COM 525327102 710 0 0.00 30 -11.76 0.0133
2017-04-10 2017-03-31 13F Leidos Holdings COM 525327102 710 62 9.57 34 9.68 0.0149
2017-01-11 2016-12-31 13F Leidos Holdings COM 525327102 648 15 2.37 31 29.17 0.0155
2016-10-25 2016-09-30 13F Leidos Holdings COM 525327102 633 566 844.78 24 700.00 0.0157
2016-07-28 2016-06-30 13F Leidos Holdings COM 525327102 67 23 52.27 3 50.00 0.0021
2016-04-27 2016-03-31 13F Leidos Holdings COM 525327102 44 0 0.00 2 0.00 0.0013
2016-01-28 2015-12-31 13F Leidos Holdings COM 525327102 44 0 0.00 2 100.00 0.0014
2015-10-28 2015-09-30 13F Leidos Holdings COM 525327102 44 0 0.00 1 0.00 0.0007
2015-08-12 2015-06-30 13F Leidos Holdings COM 525327102 44 44 1 0.0006
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.