Azenta Inc
Ownership
Ownership Structure
Who owns Azenta Inc (AZTA)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 88.8% of the shares are freely tradable; institutional investors hold 120.4%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 15.35 | 6,724,989 | -0.8 | 03/31/2026 |
| Politan Capital Management LP | 10.55 | 4,622,450 | +0.0 | 06/30/2026 |
| Vanguard Portfolio Management, LLC | 5.59 | 2,450,492 | +0.0 | 03/31/2026 |
| Vanguard Capital Management, LLC | 4.17 | 1,828,291 | +0.0 | 03/31/2026 |
| Massachusetts Financial Services Company | 4.08 | 1,788,250 | +61.6 | 03/31/2026 |
| State Street Corp | 4.02 | 1,762,423 | +1.7 | 03/31/2026 |
| D. E. Shaw & Co LP | 3.06 | 1,341,164 | +97.5 | 06/30/2026 |
| Dimensional Fund Advisors, Inc. | 2.81 | 1,232,473 | -40.2 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| iShares Core S&P Small-Cap ETF | 5.70 | 2,499,046 | +0.0 | 08/31/2026 |
| Vanguard MStar Total Stk Mkt Idx Invest | 3.02 | 1,321,722 | +0.0 | 07/31/2026 |
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 |
|---|---|---|---|---|---|
| Lin Lawrence Y. | EVP, CFO and Treasurer | 110,199 | 3,658,607 $ | Sep 14, 2026 | direct |
| Starr Ephraim | SVP, Gen Counsel & Secretary | 84,000 | 2,788,800 $ | Sep 14, 2026 | direct |
| Pirogova Olga | SVP and CHRO | 47,225 | 1,567,870 $ | Sep 14, 2026 | direct |
| Madaus Martin D | Interim CEO | 44,058 | 1,462,726 $ | Sep 14, 2026 | direct |
| Martin William E. Iii | President Multiomics | 33,062 | 1,097,658 $ | Sep 14, 2026 | direct |
| Bello Erik J. | VP Chief Accounting Officer | 4,586 | 152,255 $ | Sep 15, 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 |
|---|---|---|---|---|---|---|
| Sep 15, 2026 | Bello Erik J. | VP Chief Accounting Officer | Other | 4,586 | 0.00 | – |
| Sep 14, 2026 | Madaus Martin D | Interim CEO | Other | 36,653 | 0.00 | – |
| Sep 14, 2026 | Martin William E. Iii | President Multiomics | Other | 15,272 | 0.00 | – |
| Sep 14, 2026 | Pirogova Olga | SVP and CHRO | Other | 15,272 | 0.00 | – |
| Sep 14, 2026 | Lin Lawrence Y. | EVP, CFO and Treasurer | Other | 30,544 | 0.00 | – |
| Sep 14, 2026 | Starr Ephraim | SVP, Gen Counsel & Secretary | Other | 15,272 | 0.00 | – |
| Aug 9, 2026 | Pirogova Olga | SVP and CHRO | Other | 1,085 | 32.04 | 34,763 |
| Jul 31, 2026 | Starr Ephraim | SVP, Gen Counsel & Secretary | Buy | 335 | 24.17 | 8,096 |
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: September 18, 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.