Viant Technology Inc.
US ˙ NasdaqGS ˙ US92557A1016

SecurityDSP / Viant Technology Inc.
InstitutionMorgan Stanley
Latest Disclosed Ownership119,849 shares
Latest Disclosed Value $ 1,342,308
Morgan Stanley reports 19.48% decrease in ownership of DSP / Viant Technology Inc.

On May 15, 2026 - Morgan Stanley filed a 13F-HR form disclosing ownership of 119,849 shares of Viant Technology Inc. (US:DSP) valued at $1,342,309 USD as of March 31, 2026. The entity filed a previous 13F-HR/A on May 27, 2026 disclosing 148,841 shares of Viant Technology Inc.. This represents a change in shares of -19.48% during the quarter. The current value of the position is $1,451,371 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)
2026-05-15 2026-03-31 13F VIANT TECHNOLOGY COM CL A 92557A101 119,849 -28,992 -19.48 1,342 -25.11 0.0001
2026-05-27 2025-12-31 13F/A-1 VIANT TECHNOLOGY COM CL A 92557A101 148,841 31,749 27.11 1,792 77.43 0.0001
2026-02-13 2025-12-31 13F VIANT TECHNOLOGY COM CL A 92557A101 148,841 31,749 1,792 0.0001
2026-05-27 2025-09-30 13F/A-1 VIANT TECHNOLOGY COM CL A 92557A101 117,092 19,613 20.12 1,011 -21.64 0.0001
2025-11-14 2025-09-30 13F VIANT TECHNOLOGY COM CL A 92557A101 117,092 19,613 1,011 0.0001
2025-08-15 2025-06-30 13F VIANT TECHNOLOGY COM CL A 92557A101 97,479 -24,201 -19.89 1,290 -14.64 0.0001
2025-05-15 2025-03-31 13F VIANT TECHNOLOGY COM CL A 92557A101 121,680 -48,845 -28.64 1,510 -53.37 0.0001
2025-05-15 2024-12-31 13F/A-1 VIANT TECHNOLOGY COM CL A 92557A101 170,525 52,571 44.57 3,238 148.12 0.0002
2025-02-14 2024-12-31 13F VIANT TECHNOLOGY COM CL A 92557A101 170,525 52,571 3,238 0.0002
2025-05-14 2024-09-30 13F/A-2 VIANT TECHNOLOGY COM CL A 92557A101 117,954 26,734 29.31 1,306 45.00 0.0001
2025-02-14 2024-09-30 13F/A-1 VIANT TECHNOLOGY COM CL A 92557A101 117,954 26,734 1,306 0.0001
2024-11-14 2024-09-30 13F VIANT TECHNOLOGY COM CL A 92557A101 117,954 26,734 1,306 0.0000
2025-05-14 2024-06-30 13F/A-2 VIANT TECHNOLOGY COM CL A 92557A101 91,220 -11,134 -10.88 900 -17.51 0.0001
2024-10-17 2024-06-30 13F/A-1 VIANT TECHNOLOGY COM CL A 92557A101 91,220 -11,134 900 0.0001
2024-08-14 2024-06-30 13F VIANT TECHNOLOGY COM CL A 92557A101 91,220 -11,134 900 0.0001
2024-10-17 2024-03-31 13F/A-2 VIANT TECHNOLOGY COM CL A 92557A101 102,354 -8,297 -7.50 1,091 43.18 0.0001
2024-08-16 2024-03-31 13F/A-1 VIANT TECHNOLOGY COM CL A 92557A101 102,354 -8,297 1,091 0.0000
2024-05-15 2024-03-31 13F VIANT TECHNOLOGY COM CL A 92557A101 102,354 -8,297 1,091 0.0001
2024-08-16 2023-12-31 13F/A-1 VIANT TECHNOLOGY COM CL A 92557A101 110,651 20,306 22.48 762 50.89 0.0001
2024-02-13 2023-12-31 13F VIANT TECHNOLOGY COM CL A 92557A101 110,651 20,306 762 0.0001
2023-11-15 2023-09-30 13F VIANT TECHNOLOGY COM CL A 92557A101 90,345 -6,266 -6.49 506 13.48 0.0001
2023-08-14 2023-06-30 13F VIANT TECHNOLOGY COM CL A 92557A101 96,611 -41,077 -29.83 445 -25.59 0.0000
2023-05-15 2023-03-31 13F VIANT TECHNOLOGY COM CL A 92557A101 137,688 50,407 57.75 599 70.86 0.0001
2023-02-14 2022-12-31 13F VIANT TECHNOLOGY COM CL A 92557A101 87,281 -3,968 -4.35 351 -8.85 0.0000
2022-11-14 2022-09-30 13F VIANT TECHNOLOGY COM CL A 92557A101 91,249 -14,679 -13.86 384 -28.62 0.0001
2022-10-27 2022-06-30 13F/A-1 VIANT TECHNOLOGY COM CL A 92557A101 105,928 35,143 49.65 538 15.70 0.0001
2022-08-15 2022-06-30 13F VIANT TECHNOLOGY COM CL A 92557A101 105,928 35,143 538 0.0000
2022-10-27 2022-03-31 13F/A-1 VIANT TECHNOLOGY COM CL A 92557A101 70,785 1,407 2.03 465 -30.80 0.0001
2022-05-13 2022-03-31 13F VIANT TECHNOLOGY COM CL A 92557A101 70,785 1,407 465 0.0001
2022-02-14 2021-12-31 13F VIANT TECHNOLOGY COM CL A 92557A101 69,378 -23,942 -25.66 672 -41.05 0.0001
2021-11-15 2021-09-30 13F VIANT TECHNOLOGY COM CL A 92557A101 93,320 83,025 806.46 1,140 272.55 0.0002
2021-08-23 2021-06-30 13F/A-1 VIANT TECHNOLOGY COM CL A 92557A101 10,295 10,245 20,490.00 306 10,100.00 0.0000
2021-08-16 2021-06-30 13F VIANT TECHNOLOGY COM CL A 92557A101 10,295 10,245 306 0.0000
2021-05-17 2021-03-31 13F VIANT TECHNOLOGY COM CL A 92557A101 50 50 3 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.