Century Therapeutics Inc
Ownership
Ownership Structure
Who owns Century Therapeutics Inc (IPSC)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 55.9% of the shares are freely tradable; institutional investors hold 82.6%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| RA Capital Management, LLC | 9.81 | 17,754,430 | +0.0 | 06/30/2026 |
| TCG Crossover Management, LLC | 9.81 | 17,754,430 | +0.0 | 06/30/2026 |
| Versant Venture Management LLC | 6.72 | 12,166,109 | +0.0 | 06/30/2026 |
| Deep Track Capital, LP | 5.23 | 9,462,645 | -0.3 | 06/30/2026 |
| VR Adviser, LLC | 4.80 | 8,695,652 | +0.0 | 06/30/2026 |
| COMMODORE CAPITAL LP | 4.80 | 8,695,652 | +0.0 | 06/30/2026 |
| RTW INVESTMENTS, LLC | 4.80 | 8,695,652 | +0.0 | 06/30/2026 |
| BlackRock Inc | 4.47 | 8,091,768 | +430.8 | 06/30/2026 |
| Vanguard Capital Management, LLC | 3.15 | 5,703,680 | +0.3 | 06/30/2026 |
| Balyasny Asset Management LLC | 3.05 | 5,522,944 | +10.1 | 06/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Pfeiffenberger Brent | President and CEO | 3,633,839 | 5,814,142 $ | Sep 11, 2026 | direct |
| Russotti Gregory | See Remarks | 509,198 | 814,717 $ | Sep 14, 2026 | direct |
| Carr Douglas | SVP Finance & Operations | 502,641 | 804,226 $ | Nov 3, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Nov 3, 2026 | Carr Douglas | SVP Finance & Operations | Sell | 266 | 1.52 | 404 |
| Sep 14, 2026 | Russotti Gregory | See Remarks | Sell | 2,587 | 1.93 | 4,993 |
| Sep 14, 2026 | Carr Douglas | SVP Finance & Operations | Sell | 1,658 | 1.93 | 3,200 |
| Sep 11, 2026 | Pfeiffenberger Brent | President and CEO | Other | 13,850 | 1.94 | 26,869 |
| Sep 8, 2026 | Russotti Gregory | See Remarks | Sell | 534 | 2.05 | 1,095 |
| Sep 8, 2026 | Carr Douglas | SVP Finance & Operations | Sell | 254 | 2.05 | 521 |
| Sep 4, 2026 | Pfeiffenberger Brent | President and CEO | Other | 463 | 2.11 | 977 |
| Aug 14, 2026 | Pfeiffenberger Brent | President and CEO | Other | 31,172 | 1.92 | 59,850 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: November 12, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.