# ON24 INC COM

ON24 INC COM is a security (CUSIP 68339B104) tracked across SEC portfolio filings. 90 institutional managers reported $203.3M on Form 13F as of 2026-06-30; 8 registered fund positions totaling $5.2M via N-PORT as of 2026-03-31.

## Summary

- Issuer: ON24 INC
- Class: COM
- CUSIP: 68339B104
- Asset category: EC
- 13F holders: 90
- 13F value: $203.3M
- 13F period: 2026-06-30
- N-PORT fund positions: 8
- N-PORT value: $5.2M
- N-PORT report: 2026-03-31

## Top institutional holders (Form 13F)

_Showing 15 of 90 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| [Lynrock Lake LP](https://search.stillhousedata.com/firm/292931) | RYE BROOK, NY | $67.2M | 8,293,974 |
| BlackRock, Inc. | New York, NY | $21.1M | 2,603,804 |
| [VANGUARD GROUP INC](https://search.stillhousedata.com/firm/105958) | Valley Forge, PA | $15.7M | 1,978,132 |
| ODDO BHF ASSET MANAGEMENT SAS | PARIS, I0 | $12.7M | 1,566,256 |
| FIL Ltd | HAMILTON, D0 | $11.5M | 1,414,677 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | BOSTON, MA | $9.1M | 1,128,279 |
| DIMENSIONAL FUND ADVISORS LP | AUSTIN, TX | $8.2M | 1,015,844 |
| [GEODE CAPITAL MANAGEMENT, LLC](https://search.stillhousedata.com/firm/115504) | BOSTON, MA | $7.2M | 894,720 |
| STATE STREET CORP | BOSTON, MA | $6.1M | 755,698 |
| MORGAN STANLEY | NEW YORK, NY | $5.1M | 631,581 |
| Groupe la Francaise | PARIS, I0 | $3.0M | 365,400 |
| NORTHERN TRUST CORP | CHICAGO, IL | $2.7M | 329,403 |
| [CHARLES SCHWAB INVESTMENT MANAGEMENT INC](https://search.stillhousedata.com/firm/106753) | SAN FRANCISCO, CA | $2.6M | 316,798 |
| [Jasper Ridge Partners, L.P.](https://search.stillhousedata.com/firm/144401) | MENLO PARK, CA | $2.3M | 283,324 |
| MILLENNIUM MANAGEMENT LLC | NEW YORK, NY | $2.1M | 259,973 |

## Top fund holders (N-PORT)

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [VANGUARD EXTENDED MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002841) | VANGUARD INDEX FUNDS | $3.4M | 0.41% |
| GDL Fund | GDL Fund | $1.0M | 87.30% |
| [Master Small Cap Index Series](https://search.stillhousedata.com/fund/S000002716) | Quantitative Master Series LLC | $525K | 1.09% |
| [VANGUARD BALANCED INDEX FUND](https://search.stillhousedata.com/fund/S000002560) | VANGUARD VALLEY FORGE FUNDS | $137K | 0.02% |
| [Comstock Capital Value Fund](https://search.stillhousedata.com/fund/S000001057) | Comstock Funds, Inc. | $61K | 59.13% |
| [VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002855) | VANGUARD INSTITUTIONAL INDEX FUNDS | $45K | 0.01% |
| [DWS Small Cap Index VIP](https://search.stillhousedata.com/fund/S000006223) | DEUTSCHE DWS INVESTMENTS VIT FUNDS | $42K | 1.00% |
| [TIAA Separate Account VA-1 - Stock Index Account](https://search.stillhousedata.com/fund/S000005098) | TIAA Separate Account VA-1 | $5K | 0.04% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/68339B104.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.