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ON24 Inc.

ONTFDelisted Apr 1, 2026
Industry
Services-Prepackaged Software
SEC CIK
0001110611

ON24 Inc. was delisted on Apr 1, 2026; its insiders filed their last Form 4 on Apr 2, 2026; 124 institutions reported holding it in 13F filings for Q1 2026, worth $221.6M in total; no superinvestor held it.

13F holders, Q3 2024

Institutional positions in ON24 Inc. as of Sep 30, 2024. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
107
+1 vs. Q2 2024
Shares held
29.2M
+2.08M (+7.7%) vs. Q2 2024
Total value
$178.5M
+$15.7M (+9.7%) vs. Q2 2024
New holders
12
32 more added
Sold out
11
39 more reduced

2 institutions that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2024: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting ONTF on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ3 2024: 107 institutions
Q1 2021: 76 institutionsQ2 2021: 68 institutionsQ3 2021: 98 institutionsQ4 2021: 106 institutionsQ1 2022: 106 institutionsQ2 2022: 95 institutionsQ3 2022: 102 institutionsQ4 2022: 129 institutionsQ1 2023: 113 institutionsQ2 2023: 119 institutionsQ3 2023: 106 institutionsQ4 2023: 112 institutionsQ1 2024: 111 institutionsQ2 2024: 108 institutionsQ3 2024: 107 institutionsQ4 2024: 111 institutionsQ1 2025: 99 institutionsQ2 2025: 91 institutionsQ3 2025: 103 institutionsQ4 2025: 113 institutionsQ1 2026: 124 institutionsQ2 2026: 1 institution
Value heldQ3 2024: $178.5M
Q1 2021: $905.2MQ2 2021: $663.3MQ3 2021: $543.7MQ4 2021: $581.0MQ1 2022: $456.5MQ2 2022: $345.6MQ3 2022: $328.6MQ4 2022: $317.8MQ1 2023: $318.4MQ2 2023: $275.4MQ3 2023: $202.1MQ4 2023: $238.4MQ1 2024: $215.5MQ2 2024: $177.8MQ3 2024: $178.5MQ4 2024: $190.1MQ1 2025: $154.2MQ2 2025: $169.9MQ3 2025: $179.6MQ4 2025: $245.8MQ1 2026: $221.6MQ2 2026: $470
Institutions holding ONTF and their total value by quarter
QuarterHoldersValue
Q2 20261$470
Q1 2026124$221.6M
Q4 2025113$245.8M
Q3 2025103$179.6M
Q2 202591$169.9M
Q1 202599$154.2M
Q4 2024111$190.1M
Q3 2024107$178.5M
Q2 2024108$177.8M
Q1 2024111$215.5M
Q4 2023112$238.4M
Q3 2023106$202.1M
Q2 2023119$275.4M
Q1 2023113$318.4M
Q4 2022129$317.8M
Q3 2022102$328.6M
Q2 202295$345.6M
Q1 2022106$456.5M
Q4 2021106$581.0M
Q3 202198$543.7M
Q2 202168$663.3M
Q1 202176$905.2M

Institutions, Q3 2024

Shares, value and share of portfolio for each institution holding ON24 Inc.; share changes are against Q2 2024.

Institutions holding ONTF in Q3 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Renaissance Technologies LLC757,666$4.64M0.01%+31,232+4.3%Added
Federated Hermes, Inc.1,149,341$7.03M0.02%+1,476+0.1%Added
Dimensional Fund Advisors LP1,452,106$8.89M0.00%−17,212−1.2%Reduced
BlackRock, Inc.2,499,710$15.3M0.00%+2,499,710New
Vanguard Group Inc2,654,061$16.2M0.00%−18,075−0.7%Reduced
Indaba Capital Management, L.P.4,240,256$26.0M11.10%00.0%Unchanged
Lynrock Lake LP7,329,759$44.9M3.47%00.0%Unchanged
Campbell & CO Investment Adviser LLC0$00.00%−44,916−100.0%Sold out
XTX Topco Ltd0$00.00%−27,381−100.0%Sold out
Bank of Montreal0$00.00%−23,553−100.0%Sold out
State of Wisconsin Investment Board0$00.00%−22,800−100.0%Sold out
Atom Investors LP0$00.00%−21,602−100.0%Sold out
Walleye Capital LLC0$00.00%−21,575−100.0%Sold out
Marshall Wace, LLP0$00.00%−11,921−100.0%Sold out
Man Group plc0$00.00%−11,106−100.0%Sold out
EntryPoint Capital, LLC0$00.00%−4,705−100.0%Sold out
Quarry LP0$00.00%−4,275−100.0%Sold out
Adirondack Trust Co0$00.00%−675−100.0%Sold out
BlackRock Inc.––––Not filed
Susquehanna Fundamental Investments, LLC––––Not filed