Lumentum Holdings Inc.
US ˙ NasdaqGS ˙ US55024U1097

SecurityLITE / Lumentum Holdings Inc.
InstitutionD.a. Davidson & Co.
Latest Disclosed Ownership1,070 shares
Latest Disclosed Value $ 751,953
D.a. Davidson & Co. reports 26.46% decrease in ownership of LITE / Lumentum Holdings Inc.

On May 5, 2026 - D.a. Davidson & Co. filed a 13F-HR form disclosing ownership of 1,070 shares of Lumentum Holdings Inc. (US:LITE) valued at $751,953 USD as of March 31, 2026. The entity filed a previous 13F-HR on January 29, 2026 disclosing 1,455 shares of Lumentum Holdings Inc.. This represents a change in shares of -26.46% during the quarter. The current value of the position is $1,003,660 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)
2026-05-05 2026-03-31 13F LUMENTUM HLDGS COM 55024U109 1,070 -385 -26.46 752 40.11 0.0046
2026-01-29 2025-12-31 13F LUMENTUM HLDGS COM 55024U109 1,455 -406 -21.82 536 77.48 0.0033
2025-10-22 2025-09-30 13F LUMENTUM HLDGS COM 55024U109 1,861 1,861 303 0.0019
2023-11-08 2023-09-30 13F LUMENTUM HLDGS COM 55024U109 0 -4,323 -100.00 0 -100.00
2023-08-11 2023-06-30 13F LUMENTUM HLDGS COM 55024U109 4,323 20 0.46 245 5.60 0.0026
2023-04-25 2023-03-31 13F LUMENTUM HLDGS COM 55024U109 4,303 450 11.68 232 15.42 0.0026
2023-02-03 2022-12-31 13F LUMENTUM HLDGS COM 55024U109 3,853 -2,625 -40.52 201 -54.73 0.0024
2022-11-07 2022-09-30 13F LUMENTUM HLDGS COM 55024U109 6,478 1,400 27.57 444 10.17 0.0058
2022-07-28 2022-06-30 13F LUMENTUM HLDGS COM 55024U109 5,078 -487 -8.75 403 -25.78 0.0051
2022-05-12 2022-03-31 13F LUMENTUM HLDGS COM 55024U109 5,565 -288 -4.92 543 -12.28 0.0059
2022-01-31 2021-12-31 13F LUMENTUM HLDGS COM 55024U109 5,853 633 12.13 619 41.97 0.0066
2021-11-15 2021-09-30 13F LUMENTUM HLDGS COM 55024U109 5,220 -350 -6.28 436 -4.60 0.0051
2021-08-10 2021-06-30 13F LUMENTUM HLDGS COM 55024U109 5,570 155 2.86 457 -7.68 0.0054
2021-05-07 2021-03-31 13F LUMENTUM HLDGS COM 55024U109 5,415 -988 -15.43 495 -15.82 0.0063
2021-02-10 2020-12-31 13F LUMENTUM HLDGS COM 55024U109 6,403 -863 -11.88 588 7.69 0.0090
2020-11-02 2020-09-30 13F LUMENTUM HLDGS COM 55024U109 7,266 -525 -6.74 546 -13.88 0.0095
2020-08-10 2020-06-30 13F LUMENTUM HLDGS COM 55024U109 7,791 7,791 634 0.0118
2019-11-05 2019-09-30 13F LUMENTUM HLDGS COM 55024U109 0 -4,750 -100.00 0 -100.00
2019-08-13 2019-06-30 13F LUMENTUM HLDGS COM 55024U109 4,750 74 1.58 254 -3.79 0.0047
2019-05-13 2019-03-31 13F LUMENTUM HLDGS COM 55024U109 4,676 4,676 264 0.0045
2019-01-29 2018-12-31 13F LUMENTUM HLDGS COM 55024U109 0 -4,876 -100.00 0 -100.00
2018-11-13 2018-09-30 13F LUMENTUM HLDGS COM 55024U109 4,876 250 5.40 292 8.96 0.0052
2018-08-02 2018-06-30 13F LUMENTUM HLDGS COM 55024U109 4,626 4,626 268 0.0053
2017-08-11 2017-06-30 13F LUMENTUM HOLDINGS COM 55024U109 0 -60 -100.00 0 -100.00
2017-05-12 2017-03-31 13F LUMENTUM HOLDINGS COM 55024U109 60 -2,551 -97.70 3 -97.00 0.0001
2017-02-15 2016-12-31 13F LUMENTUM HOLDINGS COM 55024U109 2,611 2,551 4,251.67 100 4,900.00 0.0023
2016-11-18 2016-09-30 13F/A-1 LUMENTUM HOLDINGS COM 55024U109 60 0 0.00 2 100.00 0.0000
2016-11-14 2016-09-30 13F LUMENTUM HOLDINGS COM 55024U109 60 2
2016-08-13 2016-06-30 13F LUMENTUM HOLDINGS COM 55024U109 60 60 0.00 1 0.0000
2016-02-12 2015-12-31 13F LUMENTUM HOLDINGS COM 55024U109 0 -200 -100.00 0 -100.00
2015-11-13 2015-09-30 13F LUMENTUM HOLDINGS COM 55024U109 200 200 3 0.0001
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.