Malibu Boats, Inc.
US ˙ NasdaqGM ˙ US56117J1007

SecurityMBUU / Malibu Boats, Inc.
InstitutionCitigroup Inc
Latest Disclosed Ownership4,442 shares
Latest Disclosed Value $ 115,136
Citigroup Inc reports 738.11% increase in ownership of MBUU / Malibu Boats, Inc.

On May 11, 2026 - Citigroup Inc filed a 13F-HR form disclosing ownership of 4,442 shares of Malibu Boats, Inc. (US:MBUU) valued at $115,137 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 13, 2026 disclosing 530 shares of Malibu Boats, Inc.. This represents a change in shares of 738.11% during the quarter. The current value of the position is $120,245 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 MALIBU BOATS COM CL A 56117J100 4,442 3,912 738.11 115 721.43 0.0000
2026-02-13 2025-12-31 13F MALIBU BOATS COM CL A 56117J100 530 -873 -62.22 15 -68.89 0.0000
2025-11-10 2025-09-30 13F MALIBU BOATS COM CL A 56117J100 1,403 -6,120 -81.35 46 -80.85 0.0000
2025-08-11 2025-06-30 13F MALIBU BOATS COM CL A 56117J100 7,523 -7,176 -48.82 236 -47.78 0.0001
2025-05-12 2025-03-31 13F MALIBU BOATS COM CL A 56117J100 14,699 -2,546 -14.76 451 -30.56 0.0002
2025-02-12 2024-12-31 13F MALIBU BOATS COM CL A 56117J100 17,245 1,628 10.42 648 6.93 0.0004
2024-11-12 2024-09-30 13F MALIBU BOATS COM CL A 56117J100 15,617 9,731 165.32 606 194.17 0.0004
2024-08-12 2024-06-30 13F MALIBU BOATS COM CL A 56117J100 5,886 1,109 23.22 206 0.00 0.0001
2024-05-10 2024-03-31 13F MALIBU BOATS COM CL A 56117J100 4,777 -7,021 -59.51 207 -68.11 0.0001
2024-02-09 2023-12-31 13F MALIBU BOATS COM CL A 56117J100 11,798 6,681 130.56 647 158.40 0.0005
2023-12-06 2023-09-30 13F/A-1 MALIBU BOATS COM CL A 56117J100 5,117 -5,669 -52.56 251 -60.44 0.0002
2023-11-09 2023-09-30 13F MALIBU BOATS COM CL A 56117J100 5,117 -5,669 251 0.0001
2023-08-10 2023-06-30 13F MALIBU BOATS COM CL A 56117J100 10,786 8,996 502.57 633 525.74 0.0004
2023-05-11 2023-03-31 13F MALIBU BOATS COM CL A 56117J100 1,790 1,143 176.66 101 197.06 0.0001
2023-02-09 2022-12-31 13F MALIBU BOATS COM CL A 56117J100 647 -575 -47.05 34 -41.38 0.0000
2022-11-10 2022-09-30 13F MALIBU BOATS COM CL A 56117J100 1,222 -1,309 -51.72 58 -56.39 0.0000
2022-08-10 2022-06-30 13F MALIBU BOATS COM CL A 56117J100 2,531 641 33.92 133 20.91 0.0001
2022-05-12 2022-03-31 13F MALIBU BOATS COM CL A 56117J100 1,890 -5,727 -75.19 110 -79.01 0.0001
2022-02-10 2021-12-31 13F MALIBU BOATS COM CL A 56117J100 7,617 4,251 126.29 524 122.98 0.0003
2021-11-10 2021-09-30 13F MALIBU BOATS COM CL A 56117J100 3,366 1,915 131.98 235 121.70 0.0001
2021-08-10 2021-06-30 13F MALIBU BOATS COM CL A 56117J100 1,451 -13,214 -90.11 106 -90.93 0.0001
2021-05-13 2021-03-31 13F MALIBU BOATS COM CL A 56117J100 14,665 9,859 205.14 1,169 289.67 0.0008
2021-02-11 2020-12-31 13F MALIBU BOATS COM CL A 56117J100 4,806 -3,564 -42.58 300 -27.71 0.0002
2020-11-12 2020-09-30 13F MALIBU BOATS COM CL A 56117J100 8,370 1,942 30.21 415 24.25 0.0003
2020-08-12 2020-06-30 13F MALIBU BOATS COM CL A 56117J100 6,428 -20,166 -75.83 334 -56.34 0.0003
2020-05-12 2020-03-31 13F MALIBU BOATS COM CL A 56117J100 26,594 22,434 539.28 765 350.00 0.0007
2020-02-12 2019-12-31 13F MALIBU BOATS COM CL A 56117J100 4,160 -2,979 -41.73 170 -22.37 0.0001
2019-11-08 2019-09-30 13F MALIBU BOATS COM CL A 56117J100 7,139 -285 -3.84 219 -23.96 0.0002
2019-08-12 2019-06-30 13F MALIBU BOATS COM CL A 56117J100 7,424 790 11.91 288 9.51 0.0002
2019-05-13 2019-03-31 13F MALIBU BOATS COM CL A 56117J100 6,634 16 0.24 263 14.35 0.0003
2019-02-12 2018-12-31 13F MALIBU BOATS COM CL A 56117J100 6,618 1,002 17.84 230 -25.08 0.0002
2018-11-13 2018-09-30 13F MALIBU BOATS COM CL A 56117J100 5,616 2,401 74.68 307 129.10 0.0003
2018-08-10 2018-06-30 13F MALIBU BOATS COM CL A 56117J100 3,215 1,071 49.95 134 86.11 0.0001
2018-05-11 2018-03-31 13F MALIBU BOATS COM CL A 56117J100 2,144 -20,708 -90.62 72 -89.41 0.0001
2018-02-12 2017-12-31 13F MALIBU BOATS COM CL A 56117J100 22,852 15,334 203.96 680 185.71 0.0005
2017-11-13 2017-09-30 13F MALIBU BOATS COM CL A 56117J100 7,518 7,053 1,516.77 238 1,883.33 0.0002
2017-08-11 2017-06-30 13F MALIBU BOATS COM CL A 56117J100 465 165 55.00 12 100.00 0.0000
2017-05-12 2017-03-31 13F MALIBU BOATS COM CL A 56117J100 300 -18,144 -98.37 6 -98.30 0.0000
2017-02-10 2016-12-31 13F MALIBU BOATS COM CL A 56117J100 18,444 9,151 98.47 352 155.07 0.0003
2016-11-10 2016-09-30 13F MALIBU BOATS COM CL A 56117J100 9,293 4,652 100.24 138 146.43 0.0001
2016-08-12 2016-06-30 13F MALIBU BOATS COM CL A 56117J100 4,641 -16,111 -77.64 56 -83.53 0.0001
2016-05-13 2016-03-31 13F MALIBU BOATS COM CL A 56117J100 20,752 15,050 263.94 340 265.59 0.0004
2016-02-12 2015-12-31 13F MALIBU BOATS COM CL A 56117J100 5,702 5,385 1,698.74 93 1,760.00 0.0001
2015-11-13 2015-09-30 13F MALIBU BOATS COM CL A 56117J100 317 -203 -39.04 5 -50.00 0.0000
2015-08-13 2015-06-30 13F MALIBU BOATS COM CL A 56117J100 520 -211 -28.86 10 -41.18 0.0000
2015-05-14 2015-03-31 13F MALIBU BOATS COM CL A 56117J100 731 -18,174 -96.13 17 -95.34 0.0000
2015-02-17 2014-12-31 13F MALIBU BOATS COM CL A 56117J100 18,905 18,614 6,396.56 365 7,200.00 0.0003
2014-11-14 2014-09-30 13F MALIBU BOATS COM CL A 56117J100 291 210 259.26 5 400.00 0.0000
2014-08-14 2014-06-30 13F MALIBU BOATS COM CL A 56117J100 81 60 285.71 1 0.0000
2014-05-15 2014-03-31 13F MALIBU BOATS COM CL A 56117J100 21 21 0 0.0000
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.