ONTF ON24 INC.: institutional ownership and insider trading

6 funds reported holding $16.7M of ON24 INC. in their latest 13F filings; in Q2 2026 funds net sold $222M, with 0 new positions and 119 funds selling out; over the last 12 months insiders bought $0 and sold $3.40M on the open market.

Largest institutional holders of ONTF

1. VANGUARD GROUP INC — $15.7M
2. Nuveen Asset Management, LLC — $444K
3. BCK CAPITAL MANAGEMENT LP — $300K
4. Opes Wealth Management LLC — $182K
5. CWM, LLC — $77.0K
6. Sunbelt Securities, Inc. — $332

Recent ONTF insider trades

• Mar 20, 2026: Vattuone Steven sold 3,429 shares ($27.7K)
• Mar 20, 2026: Sharan Sharat sold 17,171 shares ($139K)
• Mar 20, 2026: Sahasi Jayesh sold 3,662 shares ($29.6K)
• Mar 20, 2026: Blackie James sold 3,117 shares ($25.2K)

5%+ owners

• Cynthia Paul: 19.7% (Schedule 13D/A, filed Dec 31, 2025)
• BlackRock, Inc.: 5.3% (Schedule 13G/A, filed Apr 17, 2025)

All ONTF 13F holders · All ONTF insider trades