Jefferies Financial Group Inc.
US ˙ NYSE ˙ US47233W1099

SecurityJEF / Jefferies Financial Group Inc.
InstitutionJanus Henderson Group Plc
Latest Disclosed Ownership67,014 shares
Latest Disclosed Value $ 2,766,003
Janus Henderson Group Plc ownership in JEF / Jefferies Financial Group Inc.

On May 18, 2026 - Janus Henderson Group Plc filed a 13F-HR/A form disclosing ownership of 67,014 shares of Jefferies Financial Group Inc. (US:JEF) valued at $2,765,668 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 17, 2026 disclosing 67,014 shares of Jefferies Financial Group Inc.. This represents a change in shares of 0.00% during the quarter. The current value of the position is $3,540,350 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)
2026-05-18 2026-03-31 13F/A-1 JEFFERIES FINANCIAL GROUP IN COM 47233W109 67,014 0 0.00 2,766 -33.41 0.0005
2026-05-15 2026-03-31 13F JEFFERIES FINANCIAL GROUP IN COM 47233W109 67,014 0 0.00 2,766 -33.41 0.0005
2026-02-17 2025-12-31 13F JEFFERIES FINL GROUP COM 47233W109 67,014 0 0.00 4,155 -5.25 0.0019
2025-11-14 2025-09-30 13F JEFFERIES FINL GROUP COM 47233W109 67,014 -241,917 -78.31 4,384 -74.05 0.0020
2025-08-14 2025-06-30 13F JEFFERIES FINL GROUP COM 47233W109 308,931 -79,230 -20.41 16,896 -16.63 0.0083
2025-05-15 2025-03-31 13F JEFFERIES FINL GROUP COM 47233W109 388,161 -86,936 -18.30 20,266 -45.60 0.0111
2025-02-14 2024-12-31 13F JEFFERIES FINL GROUP COM 47233W109 475,097 -37,003 -7.23 37,252 18.19 0.0189
2024-11-14 2024-09-30 13F JEFFERIES FINL GROUP COM 47233W109 512,100 -84,151 -14.11 31,519 6.24 0.0161
2024-08-14 2024-06-30 13F JEFFERIES FINL GROUP COM 47233W109 596,251 -404,408 -40.41 29,670 -32.76 0.0159
2024-05-15 2024-03-31 13F JEFFERIES FINL GROUP COM 47233W109 1,000,659 -177,749 -15.08 44,127 -7.33 0.0241
2024-02-14 2023-12-31 13F JEFFERIES FINL GROUP COM 47233W109 1,178,408 -56,123 -4.55 47,619 5.30 0.0284
2023-11-14 2023-09-30 13F JEFFERIES FINL GROUP COM 47233W109 1,234,531 -247,213 -16.68 45,223 -7.99 0.0296
2023-08-14 2023-06-30 13F JEFFERIES FINL GROUP COM 47233W109 1,481,744 230,213 18.39 49,150 23.73 0.0306
2023-05-15 2023-03-31 13F JEFFERIES FINL GROUP COM 47233W109 1,251,531 531,005 73.70 39,723 60.82 0.0262
2023-02-14 2022-12-31 13F JEFFERIES FINL GROUP COM 47233W109 720,526 451,641 167.97 24,700 211.42 0.0176
2023-01-13 2022-09-30 13F/A-1 JEFFERIES FINL GROUP COM 47233W109 268,885 228,903 572.52 7,931 617.74 0.0059
2022-11-14 2022-09-30 13F JEFFERIES FINL GROUP COM 47233W109 268,885 228,903 7,931 0.0059
2022-08-15 2022-06-30 13F JEFFERIES FINL GROUP COM 47233W109 39,982 -87,020 -68.52 1,105 -73.51 0.0008
2022-05-16 2022-03-31 13F JEFFERIES FINL GROUP COM 47233W109 127,002 -163,140 -56.23 4,172 -62.94 0.0020
2022-02-14 2021-12-31 13F JEFFERIES FINL GROUP COM 47233W109 290,142 -12,527 -4.14 11,258 0.17 0.0047
2021-11-16 2021-09-30 13F JEFFERIES FINL GROUP COM 47233W109 302,669 21,194 7.53 11,239 16.76 0.0049
2021-08-16 2021-06-30 13F JEFFERIES FINL GROUP COM 47233W109 281,475 2,177 0.78 9,626 14.50 0.0041
2021-05-17 2021-03-31 13F JEFFERIES FINL GROUP COM 47233W109 279,298 -43,284 -13.42 8,407 5.93 0.0038
2021-02-16 2020-12-31 13F JEFFERIES FINL GROUP COM 47233W109 322,582 2,392 0.75 7,936 37.71 0.0037
2020-11-16 2020-09-30 13F JEFFERIES FINL GROUP COM 47233W109 320,190 -95,569 -22.99 5,763 -10.86 0.0030
2020-08-14 2020-06-30 13F JEFFERIES FINL GROUP COM 47233W109 415,759 -221,809 -34.79 6,465 -25.83 0.0036
2020-05-14 2020-03-31 13F JEFFERIES FINL GROUP COM 47233W109 637,568 -92,244 -12.64 8,716 -44.11 0.0060
2020-02-18 2019-12-31 13F JEFFERIES FINL GROUP COM 47233W109 729,812 -2,568 -0.35 15,596 15.73 0.0080
2019-11-14 2019-09-30 13F JEFFERIES FINL GROUP COM 47233W109 732,380 48,392 7.07 13,476 2.46 0.0073
2019-07-31 2019-06-30 13F JEFFERIES FINL GROUP COM 47233W109 683,988 474,916 227.15 13,152 234.74 0.0072
2019-04-30 2019-03-31 13F JEFFERIES FINL GROUP COM 47233W109 209,072 133,593 176.99 3,929 199.92 0.0022
2019-02-06 2018-12-31 13F JEFFERIES FINL GROUP COM 47233W109 75,479 -26,428 -25.93 1,310 -41.47 0.0008
2018-11-09 2018-09-30 13F JEFFERIES FINL GROUP COM 47233W109 101,907 -24,326 -19.27 2,238 -22.05 0.0012
2018-08-10 2018-06-30 13F JEFFERIES FINL GROUP COM 47233W109 126,233 -773,487 -85.97 2,871 -85.96 0.0016
2018-05-14 2018-03-31 13F LEUCADIA NATL COM 527288104 899,720 -626,533 -41.05 20,451 -49.42 0.0121
2018-03-12 2017-12-31 13F/A-1 LEUCADIA NATL COM 527288104 1,526,253 -1,581,500 -50.89 40,431 -48.48 0.0249
2018-02-09 2017-12-31 13F LEUCADIA NATL COM 527288104 1,526,253 -1,581,500 40,431
2017-11-14 2017-09-30 13F LEUCADIA NATL COM 527288104 3,107,753 -212,732 -6.41 78,470 -9.66 0.0503
2017-08-17 2017-06-30 13F/A-1 LEUCADIA NATL COM 527288104 3,320,485 3,274,802 7,168.54 86,864 7,211.78 0.0592
2017-08-14 2017-06-30 13F LEUCADIA NATL COM 527288104 3,320,485 3,274,802 86,864
2017-05-03 2017-03-31 13F LEUCADIA NATL COM 527288104 45,683 0 0.00 1,188 11.86 0.0083
2017-01-30 2016-12-31 13F LEUCADIA NATL COM 527288104 45,683 4,600 11.20 1,062 35.81 0.0078
2016-10-24 2016-09-30 13F LEUCADIA NATL COM 527288104 41,083 0 0.00 782 9.83 0.0058
2016-07-29 2016-06-30 13F LEUCADIA NATL COM 527288104 41,083 0 0.00 712 7.23 0.0059
2016-05-12 2016-03-31 13F LEUCADIA NATL COM 527288104 41,083 0 0.00 664 -7.00 0.0054
2016-02-03 2015-12-31 13F LEUCADIA NATL COM 527288104 41,083 0 0.00 714 -14.18 0.0057
2015-11-16 2015-09-30 13F LEUCADIA NATL COM 527288104 41,083 0 0.00 832 -16.55 0.0073
2015-08-17 2015-06-30 13F LEUCADIA NATL COM 527288104 41,083 0 0.00 997 8.84 0.0078
2015-06-02 2015-03-31 13F/A-1 LEUCADIA NATL COM 527288104 41,083 0 0.00 916 -0.54 0.0071
2015-05-15 2015-03-31 13F LEUCADIA NATL COM 527288104 41,083 916
2015-02-12 2014-12-31 13F LEUCADIA NATL COM 527288104 41,083 0 0.00 921 -6.02 0.0066
2014-11-12 2014-09-30 13F LEUCADIA NATL COM 527288104 41,083 0 0.00 980 -9.01 0.0092
2014-08-13 2014-06-30 13F LEUCADIA NATL COM 527288104 41,083 0 0.00 1,077 -6.35 0.0101
2014-05-08 2014-03-31 13F LEUCADIA NATL COM 527288104 41,083 8,000 24.18 1,150 22.73 0.0112
2014-01-14 2013-12-31 13F LEUCADIA NATL COM 527288104 33,083 0 0.00 937 4.00 0.0095
2013-11-12 2013-09-30 13F LEUCADIA NATL COM 527288104 33,083 0 0.00 901 2.97 0.0099
2013-08-15 2013-06-30 13F LEUCADIA NATL COM 527288104 33,083 33,083 875 0.0102
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.