OneStream, Inc. Class A Ownership | Who Owns OneStream, Inc. Class A?
OneStream, Inc. Class A Ownership Summary
OneStream, Inc. Class A is owned by 48.85% institutional investors, 1.83% insiders, and 49.32% retail investors. T. rowe price investment management is the largest institutional shareholder, holding 5.06% of OS shares.
OS Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | OneStream, Inc. Class A | 48.85% | 1.83% | 49.32% |
| Sector | Technology Stocks | 125.84% | 12.52% | -38.36% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| T. rowe price investment management | 9.03M | 5.06% | $255.42M |
| Kayne anderson rudnick investment management | 6.88M | 3.86% | $194.57M |
| Darlington partners capital management, lp | 3.84M | 2.20% | $81.93M |
| Temasek (private) | 2.96M | 1.66% | $83.66M |
| Timessquare capital management | 2.67M | 1.50% | $75.47M |
| Brown advisory | 2.60M | 1.46% | $73.64M |
| Blackrock funding, inc. /de | 2.05M | 1.15% | $58.01M |
| Marshall wace, llp | 1.99M | 1.12% | $56.29M |
| American century companies | 1.65M | 0.93% | $46.78M |
| Wasatch advisors lp | 1.27M | 0.71% | $35.88M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Seven grand managers | 850.00K | 2.89% | $24.05M |
| Darlington partners capital management, lp | 3.84M | 2.74% | $81.93M |
| Timessquare capital management | 2.67M | 1.09% | $75.47M |
| Renaissance capital | 46.94K | 0.93% | $1.33M |
| 2xideas | 174.62K | 0.85% | $4.94M |
| Fortress investment group | 198.85K | 0.80% | $5.63M |
| West paces advisors | 85.11K | 0.51% | $2.41M |
| Kayne anderson rudnick investment management | 6.88M | 0.46% | $194.57M |
| Temasek (private) | 2.96M | 0.32% | $83.66M |
| Montis financial | 37.76K | 0.30% | $1.07M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Darlington partners capital management, lp | 3.84M | 2.74% | 3.84M |
| Marshall wace, llp | 1.99M | 0.06% | 1.97M |
| Wasatch advisors lp | 1.27M | 0.19% | 1.27M |
| Blackrock funding, inc. /de | 2.05M | 0.00% | 1.02M |
| Voloridge investment management | 681.90K | 0.07% | 681.90K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Invesco | - | - | -1.62M |
| Alkeon capital management | 950.00K | 0.04% | -1.58M |
| Westfield capital management co lp | - | - | -1.06M |
| Hood river capital management | - | - | -646.11K |
| Maplelane capital | - | - | -565.11K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Wasatch advisors lp | 1.27M | 0.19% | 1.27M | $35.88M |
| Voloridge investment management | 681.90K | 0.07% | 681.90K | $19.30M |
| Sculptor capital lp | 350.00K | 0.14% | 350.00K | $9.90M |
| Ghisallo capital management | 300.00K | 0.22% | 300.00K | $8.23M |
| Centiva capital, lp | 204.95K | 0.09% | 204.95K | $5.80M |
Sold Out
| Holder | Change |
|---|---|
| Golden state wealth management | -13.00 |
| Mrp capital investments | -30.00 |
| True wealth design | -37.00 |
| Venturi wealth management | -89.00 |
| Mcf advisors | -204.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Jun 30, 2025 | 191 | 32.64% | 87,102,837 | 36.76% | 48 | 3.68% | 141 | 38.24% | 32 | 18.52% |
| Mar 31, 2025 | 3 | -98.15% | 4,311,499 | -91.84% | 2 | 0.24% | 2 | -98.40% | 1 | -95.65% |
| Dec 31, 2024 | 166 | 43.10% | 53,352,047 | -61.57% | 32 | 0.43% | 129 | 14.16% | 23 | - |
| Sep 30, 2024 | 116 | - | 138,824,782 | - | 86 | - | 113 | - | - | - |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Aug 18, 2025 | Hohenstein Ken | Chief Revenue Officer | Sell | $431.20K |
| Aug 04, 2025 | MARINER JONATHAN D | - | Sell | $156.00K |
| Jul 25, 2025 | Koefoed William A | Chief Financial Officer | Sell | $625.00K |
| Jul 18, 2025 | Hohenstein Ken | Chief Revenue Officer | Sell | $502.40K |
| Jul 07, 2025 | MARINER JONATHAN D | - | Sell | $176.29K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2025 Q3 | - | 5 |
| 2025 Q2 | - | 15 |
| 2025 Q1 | - | 2 |
| 2024 Q4 | - | 26 |
| 2024 Q3 | - | 2 |
OS Ownership FAQ
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