CERT Certara, Inc.
Certara, Inc. (CERT) Institutional Ownership
What the institutions did with CERT last quarter, from their 13F filings. Counting managers rather than shares is the point: a single index fund adding to a position tells you far less than four hundred separate managers all deciding to. Positions as reported for the quarter ended June 30, 2026.
Every manager below opens. Subscribers can see any firm's whole portfolio — every position, its weight, and what they bought, trimmed and exited last quarter.
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Each block is one manager, sized by shares held and colored by how much they moved the position last quarter. Green added, red cut, grey stood pat.
Largest holders
| Manager | Shares | % of reported |
|---|---|---|
| BlackRock, Inc. | 18.8M | 13.9% |
| DEERFIELD MANAGEMENT COMPANY, L.P. | 7.5M | 5.6% |
| Haveli Investment Management LLC | 7.4M | 5.5% |
| Jefferies Financial Group Inc. | 7.1M | 5.3% |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 7.1M | 5.2% |
| DIMENSIONAL FUND ADVISORS LP | 6.0M | 4.5% |
| VANGUARD CAPITAL MANAGEMENT LLC | 5.3M | 3.9% |
| STATE STREET CORP | 4.8M | 3.6% |
| WASATCH ADVISORS LP | 4.3M | 3.2% |
| GEODE CAPITAL MANAGEMENT, LLC | 3.1M | 2.3% |
| FORT WASHINGTON INVESTMENT ADVISORS INC /OH/ | 2.9M | 2.1% |
| ROYCE & ASSOCIATES LP | 2.8M | 2.0% |
| UBS Group AG | 2.7M | 2.0% |
| MILLENNIUM MANAGEMENT LLC | 2.6M | 1.9% |
| MORGAN STANLEY | 2.6M | 1.9% |
| FIRST TRUST ADVISORS LP | 2.4M | 1.8% |
| AQR CAPITAL MANAGEMENT LLC | 2.2M | 1.6% |
| AMERIPRISE FINANCIAL INC | 2.0M | 1.5% |
| T. Rowe Price Investment Management, Inc. | 2.0M | 1.5% |
| SYSTEMATIC FINANCIAL MANAGEMENT LP | 1.9M | 1.4% |
| Kopion Asset Management, LLC | 1.9M | 1.4% |
| BANK OF AMERICA CORP /DE/ | 1.8M | 1.3% |
| Boston Partners | 1.7M | 1.2% |
| Dixon Mitchell Investment Counsel Inc. | 1.5M | 1.1% |
| Quantinno Capital Management LP | 1.5M | 1.1% |
Largest changes
| Manager | Action | Previous | Current | Change |
|---|---|---|---|---|
| Haveli Investment Management LLC | New | 0 | 7.4M | +7.4M |
| BlackRock, Inc. | Increased | 14.3M | 18.8M | +4.5M |
| ArrowMark Colorado Holdings LLC | Reduced | 4.6M | 1.0M | -3.6M |
| CITADEL ADVISORS LLC | Reduced | 4.5M | 1.1M | -3.5M |
| TEACHER RETIREMENT SYSTEM OF TEXAS | Sold Out | 3.0M | 0 | -3.0M |
| GENEVA CAPITAL MANAGEMENT LLC | Sold Out | 2.7M | 0 | -2.7M |
| MACKENZIE FINANCIAL CORP | Sold Out | 2.7M | 0 | -2.7M |
| DIMENSIONAL FUND ADVISORS LP | Reduced | 8.6M | 6.0M | -2.5M |
| BROWN BROTHERS HARRIMAN & CO | Sold Out | 2.5M | 0 | -2.5M |
| SYSTEMATIC FINANCIAL MANAGEMENT LP | New | 0 | 1.9M | +1.9M |
| Boston Partners | New | 0 | 1.7M | +1.7M |
| AQR CAPITAL MANAGEMENT LLC | Increased | 570.7K | 2.2M | +1.6M |
| ROYCE & ASSOCIATES LP | Increased | 1.2M | 2.8M | +1.5M |
| FIRST TRUST ADVISORS LP | Increased | 915.5K | 2.4M | +1.5M |
| MILLENNIUM MANAGEMENT LLC | Increased | 1.3M | 2.6M | +1.3M |
| JANE STREET GROUP, LLC | Sold Out | 1.3M | 0 | -1.3M |
| RAYMOND JAMES FINANCIAL INC | Reduced | 1.6M | 381.4K | -1.2M |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Increased | 6.0M | 7.1M | +1.1M |
| TWO SIGMA INVESTMENTS, LP | Increased | 62.7K | 1.1M | +1.0M |
| First Eagle Investment Management, LLC | New | 0 | 1.0M | +1.0M |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 2.1M | 3.1M | +1.0M |
| WASATCH ADVISORS LP | Reduced | 5.3M | 4.3M | -973.3K |
| STATE STREET CORP | Increased | 3.9M | 4.8M | +881.3K |
| HRT FINANCIAL LP | Sold Out | 868.6K | 0 | -868.6K |
| SG Americas Securities, LLC | Reduced | 906.6K | 141.8K | -764.8K |
| Rathbones Group PLC | Reduced | 1.5M | 757.0K | -757.0K |
| UBS Group AG | Reduced | 3.4M | 2.7M | -754.2K |
| CITIGROUP INC | Increased | 231.4K | 981.5K | +750.1K |
| Topline Capital Management, LLC | Sold Out | 749.5K | 0 | -749.5K |
| Point72 Asset Management, L.P. | Reduced | 1.1M | 382.5K | -736.4K |
| Russell Investments Group, Ltd. | Increased | 12.0K | 741.2K | +729.2K |
| MORGAN STANLEY | Reduced | 3.2M | 2.6M | -689.1K |
| T. Rowe Price Investment Management, Inc. | Increased | 1.3M | 2.0M | +660.7K |
| Select Equity Group, L.P. | Sold Out | 613.9K | 0 | -613.9K |
| TUDOR INVESTMENT CORP ET AL | New | 0 | 579.2K | +579.2K |
| Kopion Asset Management, LLC | Increased | 1.3M | 1.9M | +570.1K |
| Tejara Capital Ltd | Increased | 792.1K | 1.3M | +500.6K |
| GOLDMAN SACHS GROUP INC | Increased | 885.2K | 1.4M | +499.2K |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | 556.8K | 59.8K | -497.0K |
| Quantinno Capital Management LP | Increased | 989.0K | 1.5M | +474.3K |
| Balyasny Asset Management L.P. | Sold Out | 442.5K | 0 | -442.5K |
| SEI INVESTMENTS CO | Reduced | 621.0K | 211.4K | -409.6K |
| Gotham Asset Management, LLC | Reduced | 1.4M | 1.0M | -367.5K |
| NORTHERN TRUST CORP | Increased | 844.1K | 1.2M | +366.3K |
| Y-Intercept (Hong Kong) Ltd | Sold Out | 347.4K | 0 | -347.4K |
| RENAISSANCE TECHNOLOGIES LLC | Increased | 354.5K | 684.7K | +330.2K |
| DEERFIELD MANAGEMENT COMPANY, L.P. | Reduced | 7.8M | 7.5M | -295.7K |
| Timothy G. Youngquist 2020 Irrevocable Trust | Sold Out | 289.3K | 0 | -289.3K |
| VICTORY CAPITAL MANAGEMENT INC | Increased | 16.6K | 305.7K | +289.0K |
| D. E. Shaw & Co., Inc. | Increased | 318.1K | 567.7K | +249.6K |
| BANK OF AMERICA CORP /DE/ | Reduced | 2.0M | 1.8M | -244.5K |
| Jefferies Financial Group Inc. | Increased | 6.9M | 7.1M | +232.8K |
| AMERIPRISE FINANCIAL INC | Reduced | 2.2M | 2.0M | -217.0K |
| Squarepoint Ops LLC | Sold Out | 215.3K | 0 | -215.3K |
| ENVESTNET ASSET MANAGEMENT INC | Reduced | 226.0K | 13.2K | -212.9K |
| XTX Topco Ltd | Reduced | 269.6K | 71.0K | -198.5K |
| Schonfeld Strategic Advisors LLC | Increased | 17.0K | 211.7K | +194.7K |
| FORT WASHINGTON INVESTMENT ADVISORS INC /OH/ | Increased | 2.7M | 2.9M | +188.7K |
| NATIXIS | Increased | 75.3K | 251.0K | +175.7K |
| Global Alpha Capital Management Ltd. | Sold Out | 172.2K | 0 | -172.2K |
13F filings are due 45 days after quarter end and cover long positions in U.S.-listed equities only, so this is a lagged and partial picture: shorts, bonds and foreign listings never appear. Options positions are excluded here rather than folded into the share counts. Political ownership is coming.