Azenta
AZTA · NASDAQ
Who owns AZTA
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 51.4% of AZTA’s shares.
- BlackRock Institutional Trust Company, N.A.13.8%
- Politan Capital Management, L.P.10.0%
- Vanguard Portfolio Management, LLC5.4%
- Vanguard Capital Management, LLC4.1%
- Next 6 largest institutions18.1%
- All other shareholders48.6%
| Holder | Shares | % of shares |
|---|---|---|
| BlackRock Institutional Trust Company, N.A. | 6.37M | 13.82% |
| Politan Capital Management, L.P. | 4.62M | 10.03% |
| Vanguard Portfolio Management, LLC | 2.49M | 5.41% |
| Vanguard Capital Management, LLC | 1.87M | 4.06% |
| State Street Investment Management (US) | 1.86M | 4.04% |
| MFS Investment Management | 1.42M | 3.09% |
| D. E. Shaw & Co., L.P. | 1.34M | 2.91% |
| Front Street Capital Management, Inc. | 1.30M | 2.82% |
| Dimensional Fund Advisors, L.P. | 1.23M | 2.67% |
| Allspring Global Investments, LLC | 1.19M | 2.59% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| iShares Core S&P Small-Cap ETF | 2.50M | 5.42% |
| Vanguard Total Stock Market Index Fund | 1.32M | 2.87% |
| iShares Russell 2000 ETF | 1.09M | 2.37% |
| Vanguard Small-Cap Index Fund | 948.81K | 2.06% |
| Vanguard Small-Cap Value Index Fund | 605.64K | 1.31% |
Insider trades
Form 4 filings by officers, directors and large holders
Over the last 6 months, insiders bought $171.90K (2 trades) of AZTA on the open market, with no sales.
| Insider | Type | Shares | Value |
|---|---|---|---|
| Madaus Martin D | Tax withholding | 1.46K | $49.91K |
| Bello Erik J. | Award | 4.59K | — |
| Starr Ephraim | Award | 15.27K | — |
| Lin Lawrence Y. | Award | 30.54K | — |
| Pirogova Olga | Award | 15.27K | — |
| MARTIN WILLIAM E. III | Award | 15.27K | — |
| Madaus Martin D | Award | 36.65K | — |
| Pirogova Olga | Tax withholding | 1.08K | $34.76K |
| Starr Ephraim | Buy | 335 | $8.10K |
| Cornog William L | Buy | 10.00K | $163.80K |
Congressional trades
Disclosed by members of Congress over the last 12 months
| Member | Type | Amount | Traded |
|---|---|---|---|
| Gil CisnerosHouse | Purchase | $1K–$15K | Mar 3, 2026 |
| Gil CisnerosHouse | Purchase | $1K–$15K | Jan 15, 2026 |
Short interest
Settled Sep 30, 2026
- Shares short
- 5.32M
- Days to cover
- 6.12
- % of shares outstanding
- 11.54%
- Average daily volume
- 869.25K
- Change since last report
- −1.2%
Information on this page is provided for informational purposes only and is not a recommendation to buy, sell or hold any security. Investing involves risk, including possible loss of principal. Market data is delayed at least 15 minutes and is provided without warranty. Analyst ratings, price targets and company data come from third-party sources. Past performance does not guarantee future results.