ON24
ONTF
ONTF was delisted on the 31st of March, 2026.
113 hedge funds and large institutions have $246M invested in ON24 in 2025 Q4 according to their latest regulatory filings, with 20 funds opening new positions, 41 increasing their positions, 34 reducing their positions, and 10 closing their positions.
100% more first-time investments, than exits
New positions opened: 20 | Existing positions closed: 10
37% more capital invested
Capital invested by funds: $180M → $246M (+$66.2M)
33% more funds holding in top 10
Funds holding in top 10: 3 → 4 (+1)
21% more repeat investments, than reductions
Existing positions increased: 41 | Existing positions reduced: 34
10% more funds holding
Funds holding: 103 → 113 (+10)
1.17% less ownership
Funds ownership: 74.2% → 73.03% (-1.2%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Acadian Asset Management
Boston,
Massachusetts
|
+$1.32M |
| 2 |
Citadel Advisors
Miami,
Florida
|
+$852K |
| 3 |
QCM
Quantinno Capital Management
New York
|
+$602K |
| 4 |
GCL
Glazer Capital LLC
New York
|
+$541K |
| 5 |
Federated Hermes
Pittsburgh,
Pennsylvania
|
+$321K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Vanguard Group
Malvern,
Pennsylvania
|
-$4.45M |
| 2 |
Dimensional Fund Advisors
Austin,
Texas
|
-$906K |
| 3 |
Royal Bank of Canada
Toronto,
Ontario, Canada
|
-$616K |
| 4 |
JP Morgan Chase
New York
|
-$501K |
| 5 |
Jacobs Levy Equity Management
Florham Park,
New Jersey
|
-$444K |
ONTF Hedge Fund Activity: Q4 2025 in Review
113 of the 8,256 institutional investors tracked by Wall St. Rank reported a position in ON24 (ONTF) for Q4 2025, worth a combined $246M — up 37% from $180M a quarter earlier.
Buyers outnumbered sellers: 20 funds opened new ONTF positions and 10 closed out — a net gain of 10 holders — while 41 added to existing stakes and 34 trimmed.
The largest buyer was Acadian Asset Management, adding an estimated $1.32M. The largest seller was Vanguard Group, cutting an estimated $4.45M.
- 113 institutional investors held ON24 (ONTF) as of Q4 2025, up from 103 in Q3 2025.
- Funds reported $246M of ON24 stock for Q4 2025, up 37% quarter-over-quarter.
- 20 funds opened new ON24 positions in Q4 2025 and 10 closed out, a net change of +10 holders.
- The largest ON24 buyer in Q4 2025 was Acadian Asset Management, an estimated $1.32M added.
- The largest ON24 seller in Q4 2025 was Vanguard Group, an estimated $4.45M sold.
Based on aggregated 13F filings for Q4 2025.