ON24 INC. - Common Stock (ONTF) Institutional Ownership

13F Institutional Holders and Ownership History from Q1 2021 to Q4 2025

Type / Class
Equity / Common Stock
Symbol
ONTF on NYSE
Shares outstanding
42,358,287
Price per share
$7.97
All holders as of 31 Dec 2025
Q4 2025
Total 13F shares
30,799,864
Total reported value
$245,165,475
% of total 13F portfolios
0%
Share change
-502,819
Value change
-$3,858,934
Number of holders
109
Price from insider filings
$7.97
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of ON24 INC. - Common Stock (ONTF) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
Lynrock Lake LP 20% +0.5% $43,597,055 +$174,460 8,384,049 +0.4% Cynthia Paul 29 Dec 2025
Indaba Capital Management, L.P. 10% 0% $22,049,331 4,240,256 0% Indaba Capital Management, L.P. 29 Dec 2025
BlackRock, Inc. 5.3% $10,576,819 2,260,004 BlackRock, Inc. 31 Mar 2025
VANGUARD GROUP INC 4.7% $15,745,931 1,978,132 The Vanguard Group 31 Dec 2025

As of 31 Dec 2025, 109 institutional investors reported holding 30,799,864 shares of ON24 INC. - Common Stock (ONTF). This represents 73% of the company’s total 42,358,287 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of ON24 INC. - Common Stock (ONTF) together control 67% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
Lynrock Lake LP 20% 8,293,974 0% 4.4% $66,020,033
Indaba Capital Management, L.P. 10% 4,240,256 0% 100% $33,752,438
BlackRock, Inc. 6.3% 2,684,486 -2.1% 0% $21,368,509
VANGUARD GROUP INC 4.7% 1,978,132 -28% 0% $15,745,931
DIMENSIONAL FUND ADVISORS LP 3% 1,285,806 -11% 0% $10,235,517
FEDERATED HERMES, INC. 2.9% 1,234,283 +4.8% 0.02% $9,824,893
ACADIAN ASSET MANAGEMENT LLC 2.8% 1,189,707 +24% 0.02% $9,465,000
JPMORGAN CHASE & CO 2.6% 1,119,625 -7.3% 0% $8,912,215
GEODE CAPITAL MANAGEMENT, LLC 2% 853,942 +0.21% 0% $6,799,666
STATE STREET CORP 2% 840,214 +1.1% 0% $6,688,103
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 1.7% 710,354 0% 0% $5,654,418
RENAISSANCE TECHNOLOGIES LLC 1.3% 553,034 -4.1% 0.01% $4,402,151
MORGAN STANLEY 0.99% 419,851 +14% 0% $3,342,019
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.77% 325,619 +11% 0% $2,591,927
NORTHERN TRUST CORP 0.75% 316,255 -6% 0% $2,517,390
Palogic Value Management, L.P. 0.71% 300,000 +11% 1% $2,388,000
P.A.W. CAPITAL CORP 0.71% 300,000 -6.2% 5.4% $2,388,000
BRIDGEWAY CAPITAL MANAGEMENT, LLC 0.7% 296,148 -20% 0.05% $2,357,338
Jasper Ridge Partners, L.P. 0.67% 283,324 0% 0.05% $2,255,259
Circumference Group LLC 0.66% 279,151 -21% 2.5% $2,222,042
JACOBS LEVY EQUITY MANAGEMENT, INC 0.54% 227,263 -26% 0.01% $1,809,013
TWO SIGMA INVESTMENTS, LP 0.54% 226,932 +10% 0% $1,806,379
TWO SIGMA ADVISERS, LP 0.42% 176,000 -8.1% 0% $1,400,960
Quantinno Capital Management LP 0.39% 164,886 +181% 0% $1,312,493
GSA CAPITAL PARTNERS LLP 0.38% 162,752 -5% 0.11% $1,296,000

Institutional Holders of ON24 INC. - Common Stock (ONTF) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q4 30,799,864 $245,165,475 -$3,858,934 $7.96 109
2025 Q3 31,390,230 $179,557,192 +$533,113 $5.72 101
2025 Q2 31,288,637 $169,900,312 +$9,360,590 $5.43 88
2025 Q1 29,594,898 $153,896,696 +$320,811 $5.20 97
2024 Q4 29,430,829 $190,116,940 +$596,650 $6.46 109
2024 Q3 29,167,507 $178,509,357 -$2,548,698 $6.12 106
2024 Q2 29,580,437 $177,773,555 -$4,097,481 $6.01 107
2024 Q1 30,176,286 $215,474,690 -$1,050,011 $7.14 110
2023 Q4 30,253,203 $238,397,093 -$14,974,211 $7.88 111
2023 Q3 31,929,173 $202,114,962 -$15,287,204 $6.33 104
2023 Q2 33,914,585 $275,398,821 -$18,945,992 $8.12 117
2023 Q1 36,355,607 $318,447,494 -$5,223,702 $8.76 112
2022 Q4 36,835,804 $317,899,384 -$5,973,812 $8.63 128
2022 Q3 37,357,345 $328,766,309 +$6,524,144 $8.80 99
2022 Q2 36,421,939 $345,638,980 +$11,398,673 $9.49 90
2022 Q1 34,833,815 $456,508,535 +$12,689,873 $13.15 101
2021 Q4 33,491,072 $581,025,767 +$100,285,435 $17.35 104
2021 Q3 27,263,390 $543,651,352 +$206,520,196 $19.94 96
2021 Q2 15,049,158 $534,205,000 -$23,588,070 $35.48 67
2021 Q1 15,061,567 $728,727,380 +$728,552,377 $48.51 74