SEC ownership of Viant Technology Inc.

Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001828791.

Comparable stake leader

Capital V LLC

Disclosed value leader

Capital V LLC

Comparable rows

50/50

Latest evidence

16 Jun 2026

Ownership snapshot CIK-linked ownership evidence from parsed SEC filings. 3 signals
Comparable ownership rows
50 of 50
Meaning: Rows with safely comparable ownership %
Latest 13D/G holder
Capital V LLC
Source: Latest parsed Schedule 13D/G stake
Latest parsed ownership date
16 Jun 2026
Freshness: Most recent filing date in this holder set
Issuer Names, identifiers, and filing context for this profile. 2 identity fields
Issuer CIK
0001828791
Issuer location
Irvine, CA

Ownership snapshot

Top shareholders of Viant Technology Inc. (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
Capital V LLC
Disclosed value leader
Capital V LLC
Comparable rows
50/50
Latest evidence
16 Jun 2026
13D/G 3/4/5 13F Lead comparable stake: 62% 13D/G row: Capital V LLC Showing 1-8 of 50 holder rows.

Quick read

Capital V LLC leads the comparable SEC ownership view at 62%.

50 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens Capital V LLC's linked filing trail.
Comparable ownership Top 5
Capital V LLC 62%
Christopher Vanderhook 33%
Timothy Vanderhook 32%
PUNCH & ASSOCIATES INVESTMENT MAN... 7.3%
VANGUARD GROUP INC 6.3%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-8 of 50 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
Capital V LLC
13D/G 3/4/5
10%+ Owner
62%
$237,405,483
27,509,326 shares
$0 30 Sep 2025
Christopher Vanderhook
3/4/5 13D/G
Chief Operating Officer, Director, 10%+ Owner
33%
from 13D/G
$186,090,394
17,209,929 shares
mixed-class rows
-$1,267,812 16 Jun 2026
Timothy Vanderhook
3/4/5 13D/G
CEO and Chairman, Director, 10%+ Owner
32%
from 13D/G
$185,146,894
17,124,929 shares
mixed-class rows
-$1,267,812 16 Jun 2026
PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC.
13D/G 13F
Company
7.3%
$15,282,410
1,155,133 shares
+$2,187,739 30 Jun 2025
VANGUARD GROUP INC
13D/G
The Vanguard Group
6.3%
$14,365,048
1,035,692 shares
$0 31 Mar 2025
ROYCE & ASSOCIATES LP
13F 13D/G
Company
5.5%
from 13D/G
$11,290,082
1,008,043 shares
31 Mar 2026
Larry Madden
13D/G 3/4/5
Chief Financial Officer
5.1%
$11,625,314
1,076,418 shares
-$1,623,791 15 Jun 2026
Vivian Yang
3/4/5
Director
0.51%
$1,214,718
108,457 shares
04 Jun 2026
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Forms 3/4/5 flow

Insider trading overview

Net insider flow leans to selling over the last 12 months. Net value: -$8,089,753.

Buys
$0
Insiders: 0
Sells
$8,089,753
Insiders: 5
Net
-$8,089,753
Shares: -719,798
Window
Last 12 months
4 rolling buckets
Buy value Sell value
Shares: 0 Shares: 719,798
Window (months) Buy shares Sell shares Buy value Sell value Net value
0-3 0 376,827 $0 $4,245,303 -$4,245,303
3-6 0 218,220 $0 $2,437,299 -$2,437,299
6-9 0 94,181 $0 $1,109,784 -$1,109,784
9-12 0 30,570 $0 $297,367 -$297,367

Reporting owners

Insider holders from Forms 3/4/5

Showing 1-8 of 8 reporting-owner rows connected to Viant Technology Inc.. Open a relationship link for the CIK-to-CIK filing trail.

Rows
8
Largest Forms 3/4/5 holder
Christopher Vanderhook
Net 12M change
-$8,089,754
Latest report
06 Jul 2026
Name Relationship Holdings Value Past Year Net Change Change % Valuation Report Date
Christopher Vanderhook Chief Operating Officer, Director, 10%+ Owner $186,090,394 -$1,267,812 -0.68% Mixed 16 Jun 2026
Timothy Vanderhook CEO and Chairman, Director, 10%+ Owner $185,146,894 -$1,267,812 -0.68% Mixed 16 Jun 2026
Larry Madden Chief Financial Officer $5,441,491 -$2,549,966 -32% Filing P/S 06 Jul 2026
Vivian Yang Director $1,214,718 Mixed 04 Jun 2026
Elizabeth Goodman Williams Director $828,673 Mixed 02 Jun 2024
Brett Wilson Director $565,185 Mixed 04 Jun 2026
Max O Valdes Director $352,472 -$80,457 -19% Filing P/S 08 Jun 2026
Capital V LLC 10%+ Owner $0 -$2,923,707 -100% Mixed 16 Jun 2026

Recent insider transactions for Viant Technology Inc.

Showing up to 300 recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % SEC-reported value SEC-reported price Shares Shares owned Date Ownership
Larry Madden DSP Class A Common Stock Sale -2.56% $143,110 $12.69 -11,273 428,636 08 Jul 2026 Direct
Larry Madden DSP Class A Common Stock Sale -2.04% $117,664 $12.86 -9,149 439,909 07 Jul 2026 Direct
Larry Madden DSP Class A Common Stock Sale -2.2% $128,999 $12.78 -10,097 449,058 06 Jul 2026 Direct
Christopher Vanderhook DSP Class A Common Stock Sale -100% $27,412 $10.96 -2,500 0 18 Jun 2026 By Capital V LLC
Timothy Vanderhook DSP Class A Common Stock Sale -100% $27,412 $10.96 -2,500 0 18 Jun 2026 By Capital V LLC
Capital V LLC DSP Class A Common Stock Sale -100% $82,234 $10.96 -7,500 0 18 Jun 2026 Direct
Christopher Vanderhook DSP Class A Common Stock Sale -66.7% $55,442 $11.09 -5,000 2,500 17 Jun 2026 By Capital V LLC
Timothy Vanderhook DSP Class A Common Stock Sale -66.7% $55,442 $11.09 -5,000 2,500 17 Jun 2026 By Capital V LLC
Capital V LLC DSP Class A Common Stock Sale -66.7% $166,326 $11.09 -15,000 7,500 17 Jun 2026 Direct
Christopher Vanderhook DSP Class A Common Stock Sale -40% $55,857 $11.17 -5,000 7,500 16 Jun 2026 By Capital V LLC
Christopher Vanderhook DSP Class B Common Stock Disposed to Issuer -0.14% -12,500 9,082,275 16 Jun 2026 By Capital V LLC
Christopher Vanderhook DSP Class A Common Stock Options Exercise 12,500 12,500 16 Jun 2026 By Capital V LLC
Christopher Vanderhook DSP Class B Units Options Exercise -0.14% -12,500 9,082,275 16 Jun 2026 By Capital V LLC
Timothy Vanderhook DSP Class A Common Stock Sale -40% $55,857 $11.17 -5,000 7,500 16 Jun 2026 By Capital V LLC
Timothy Vanderhook DSP Class B Common Stock Disposed to Issuer -0.14% -12,500 9,082,275 16 Jun 2026 By Capital V LLC
Timothy Vanderhook DSP Class A Common Stock Options Exercise 12,500 12,500 16 Jun 2026 By Capital V LLC
Timothy Vanderhook DSP Class B Units Options Exercise -0.14% -12,500 9,082,275 16 Jun 2026 By Capital V LLC
Capital V LLC DSP Class A Common Stock Sale -40% $167,571 $11.17 -15,000 22,500 16 Jun 2026 Direct
Capital V LLC DSP Class B Common Stock Disposed to Issuer -0.14% -37,500 27,246,826 16 Jun 2026 Direct
Capital V LLC DSP Class A Common Stock Options Exercise 37,500 37,500 16 Jun 2026 Direct
Capital V LLC DSP Class B Units Options Exercise -0.14% -37,500 27,246,826 16 Jun 2026 Direct
Larry Madden DSP Class A Common Stock Sale -5.24% $281,674 $11.10 -25,376 459,155 15 Jun 2026 Direct
Christopher Vanderhook DSP Class A Common Stock Sale -3.01% $101,288 $11.10 -9,125 293,880 15 Jun 2026 Direct
Timothy Vanderhook DSP Class A Common Stock Sale -4.19% $101,288 $11.10 -9,125 208,880 15 Jun 2026 Direct
Timothy Vanderhook DSP Class B Common Stock Award 52,096 52,096 09 Jun 2026 Stella Vanderhook Gift Trust
Timothy Vanderhook DSP Class B Common Stock Award 52,096 52,096 09 Jun 2026 Kingston Vanderhook Gift Trust
Timothy Vanderhook DSP Class B Common Stock Award 52,096 52,096 09 Jun 2026 Gray Vanderhook Gift Trust
Timothy Vanderhook DSP Class B Common Stock Award 52,096 52,096 09 Jun 2026 Eve Vanderhook Gift Trust
Timothy Vanderhook DSP Class B Common Stock Gift -100% -208,384 0 09 Jun 2026 By GRAT
Timothy Vanderhook DSP Class B Units Award 52,096 52,096 09 Jun 2026 Stella Vanderhook Gift Trust
Timothy Vanderhook DSP Class B Units Award 52,096 52,096 09 Jun 2026 Kingston Vanderhook Gift Trust
Timothy Vanderhook DSP Class B Units Award 52,096 52,096 09 Jun 2026 Gray Vanderhook Gift Trust
Timothy Vanderhook DSP Class B Units Award 52,096 52,096 09 Jun 2026 Eve Vanderhook Gift Trust
Timothy Vanderhook DSP Class B Units Gift -100% -208,384 0 09 Jun 2026 By GRAT
Max O Valdes DSP Class A Common Stock Sale -10.3% $40,527 $11.97 -3,386 29,449 09 Jun 2026 Direct
Christopher Vanderhook DSP Class B Common Stock Award 52,096 52,096 09 Jun 2026 Colbie Vanderhook Gift Trust
Christopher Vanderhook DSP Class B Common Stock Award 52,096 52,096 09 Jun 2026 Clay Vanderhook Gift Trust
Christopher Vanderhook DSP Class B Common Stock Award 52,096 52,096 09 Jun 2026 Carter Vanderhook Gift Trust
Christopher Vanderhook DSP Class B Common Stock Award 52,096 52,096 09 Jun 2026 Hayden Vanderhook Gift Trust
Christopher Vanderhook DSP Class B Common Stock Gift -100% -208,384 0 09 Jun 2026 By GRAT
Christopher Vanderhook DSP Class B Units Award 52,096 52,096 09 Jun 2026 Colbie Vanderhook Gift Trust
Christopher Vanderhook DSP Class B Units Award 52,096 52,096 09 Jun 2026 Clay Vanderhook Gift Trust
Christopher Vanderhook DSP Class B Units Award 52,096 52,096 09 Jun 2026 Carter Vanderhook Gift Trust
Christopher Vanderhook DSP Class B Units Award 52,096 52,096 09 Jun 2026 Hayden Vanderhook Gift Trust
Christopher Vanderhook DSP Class B Units Gift -100% -208,384 0 09 Jun 2026 By GRAT
Max O Valdes DSP Class A Common Stock Sale -9.13% $39,930 $12.10 -3,300 32,835 08 Jun 2026 Direct
Larry Madden DSP Class A Common Stock Sale -2.94% $177,479 $12.10 -14,670 484,531 08 Jun 2026 Direct
Larry Madden DSP Class A Common Stock Sale -3.6% $228,484 $12.24 -18,663 499,201 05 Jun 2026 Direct
Vivian Yang DSP Class A Common Stock Award 15.5% 14,544 108,457 04 Jun 2026 Direct
Brett Wilson DSP Class A Common Stock Award 40.5% 14,544 50,463 04 Jun 2026 Direct
* marks a reported price that did not pass the local price check.
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