ON24 INC. - Common Stock, par value $0.0001 per share (ONTF) Institutional Ownership

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

Type / Class
Equity / Common Stock, par value $0.0001 per share
Symbol
ONTF on NYSE
Shares outstanding
42,402,560
Price per share
$7.96
All holders as of 30 Sep 2025
Q3 2025
Total 13F shares
31,390,220
Total reported value
$179,557,248
% of total 13F portfolios
0%
Share change
+86,646
Value change
+$533,169
Number of holders
101
Price from insider filings
$7.96
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of ON24 INC. - Common Stock, par value $0.0001 per share (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% $10,735,019 2,260,004 BlackRock, Inc. 31 Mar 2025

As of 30 Sep 2025, 101 institutional investors reported holding 31,390,220 shares of ON24 INC. - Common Stock, par value $0.0001 per share (ONTF). This represents 74% of the company’s total 42,402,560 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of ON24 INC. - Common Stock, par value $0.0001 per share (ONTF) together control 69% 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% 3.8% $47,441,531
Indaba Capital Management, L.P. 10% 4,240,256 0% 40% $24,254,264
VANGUARD GROUP INC 6.5% 2,763,269 -1.1% 0% $15,805,899
BlackRock, Inc. 6.5% 2,742,140 -3.3% 0% $15,685,041
DIMENSIONAL FUND ADVISORS LP 3.4% 1,445,847 -0.7% 0% $8,271,647
JPMORGAN CHASE & CO 2.8% 1,208,017 -9% 0% $6,909,857
FEDERATED HERMES, INC. 2.8% 1,177,588 +0.46% 0.01% $6,735,804
ACADIAN ASSET MANAGEMENT LLC 2.3% 957,281 +13% 0.01% $5,474,000
GEODE CAPITAL MANAGEMENT, LLC 2% 852,134 -0.02% 0% $4,874,873
STATE STREET CORP 2% 831,376 +0.93% 0% $4,755,471
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 1.7% 710,354 +20% 0% $4,063,225
RENAISSANCE TECHNOLOGIES LLC 1.4% 576,534 +0.79% 0% $3,297,774
MORGAN STANLEY 0.87% 369,369 -6.9% 0% $2,112,793
BRIDGEWAY CAPITAL MANAGEMENT, LLC 0.87% 368,348 0% 0.04% $2,106,951
Circumference Group LLC 0.84% 354,196 0% 2.4% $2,026,001
NORTHERN TRUST CORP 0.79% 336,570 -3.1% 0% $1,925,180
P.A.W. CAPITAL CORP 0.75% 320,000 +6.7% 3.3% $1,830,400
JACOBS LEVY EQUITY MANAGEMENT, INC 0.72% 305,720 +4.7% 0.01% $1,748,718
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.69% 294,206 +1.9% 0% $1,682,858
Jasper Ridge Partners, L.P. 0.67% 283,324 0% 0.04% $1,620,613
Palogic Value Management, L.P. 0.64% 270,000 -0.62% 0.65% $1,544,400
TWO SIGMA INVESTMENTS, LP 0.49% 206,340 +76% 0% $1,180,265
TWO SIGMA ADVISERS, LP 0.45% 191,500 +4.8% 0% $1,095,380
GSA CAPITAL PARTNERS LLP 0.4% 171,247 +5.2% 0.08% $980,000
Trexquant Investment LP 0.37% 155,181 +6.3% 0.01% $887,635

Institutional Holders of ON24 INC. - Common Stock, par value $0.0001 per share (ONTF) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q4 34,941 $277,854 +$227,262 $7.96 8
2025 Q3 31,390,220 $179,557,248 +$533,169 $5.72 101
2025 Q2 31,288,637 $169,900,312 +$9,360,580 $5.43 88
2025 Q1 29,594,898 $153,896,646 +$320,791 $5.20 97
2024 Q4 29,430,829 $190,116,790 +$1,024,306 $6.46 109
2024 Q3 29,101,307 $178,104,439 -$3,100,373 $6.12 106
2024 Q2 29,580,437 $177,773,227 -$3,166,241 $6.01 108
2024 Q1 30,050,596 $214,577,153 -$1,553,114 $7.14 108
2023 Q4 14,745 $116,191 -$1,753,309 $7.88 1
2023 Q3 31,822,073 $201,437,313 -$15,439,066 $6.33 103
2023 Q2 33,696,440 $273,627,948 -$19,766,033 $8.12 115
2023 Q1 36,318,903 $318,125,322 -$5,074,271 $8.76 111
2022 Q4 36,712,447 $316,834,475 -$7,796,020 $8.63 126
2022 Q3 37,034,307 $325,923,813 +$1,582,704 $8.80 96
2022 Q2 36,065,782 $342,258,980 +$10,316,448 $9.49 87
2022 Q1 34,823,741 $456,375,535 +$12,590,106 $13.15 99
2021 Q4 33,142,383 $574,975,767 +$108,013,205 $17.35 101
2021 Q3 26,448,845 $527,409,352 +$191,958,580 $19.94 93
2021 Q2 18,686,773 $663,267,000 -$23,584,856 $35.48 67
2021 Q1 15,059,909 $728,552,380 +$728,552,463 $48.51 73