Azenta, Inc.
Azenta, Inc. (AZTA) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · AZTA · as of Mar 31, 2025
Ownership Breakdown
301
Institutional Holders
▼ 21 vs Q4
$1.82B
Total Inst. Value
▼ $794.59M vs Q4
46.09M
Shares Outstanding
freeFloat 88.09%
52.59M
13F Shares Held
▲ 253,096 vs Q4
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
AZTA largest shareholders · institutional ownership
Q1 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
BLACKROCK, INC. special industry machinery, nec | 5.40M | 11.82% | 11.82% | $187.22B | May 2, 2025 | ▼ 371.7K |
POLITAN CAPITAL MANAGEMENT LP special industry machinery, nec | 4.62M | 10.10% | 10.10% | $159.93B | May 15, 2025 | ▲ 4.0K |
VANGUARD GROUP INC special industry machinery, nec | 4.43M | 9.68% | 9.68% | $153.30B | May 9, 2025 | ▼ 90.0K |
DIMENSIONAL FUND ADVISORS LP special industry machinery, nec | 2.92M | 6.39% | 6.39% | $101.24B | May 13, 2025 | ▼ 110.4K |
KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC special industry machinery, nec | 2.13M | 4.67% | 4.67% | $73.93B | May 14, 2025 | ▼ 103.8K |
CONESTOGA CAPITAL ADVISORS, LLC special industry machinery, nec | 1.92M | 4.19% | 4.19% | $66.35B | Apr 17, 2025 | ▲ 337.7K |
STATE STREET CORP special industry machinery, nec | 1.56M | 3.42% | 3.42% | $54.10B | May 15, 2025 | ▼ 195.9K |
SCHRODER INVESTMENT MANAGEMENT GROUP special industry machinery, nec | 1.40M | 3.05% | 3.05% | $48.34B | May 13, 2025 | ▼ 8.5K |
GW&K INVESTMENT MANAGEMENT, LLC special industry machinery, nec | 1.29M | 2.82% | 2.82% | $44.67B | May 5, 2025 | ▼ 9.4K |
MACQUARIE GROUP LTD special industry machinery, nec | 1.08M | 2.37% | 2.37% | $37.49B | Aug 14, 2025 | ▲ 25.0K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q1 2025 vs prior quarter
Q1 2025
26
Increased
+2.87M shares1
New Positions
first time holders22
Decreased
−1.87M shares0
Sold Out
fully exitedNet shares change (top 50)
+1.00M
+2.87M / −1.87M
Net new holders
+5
1 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
AZTA insider trading · insider activity
Source: SEC Form 4
Insiders have been net buyers of shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
2
Buy transactions
1
Sell transactions
2.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Cornog William L director | May 18, 2026 | Purchase | 10,000 | $16.38 | $163.8K | 19.7K | Form 4 ↗ |
Starr Ephraim SVP, Gen Counsel & Secretary | May 15, 2026 | Tax Withhold | 3,621 | $16.02 | $58.0K | 68.4K | Form 4 ↗ |
Koffey Quentin director | Feb 5, 2026 | Award | 5,663 | — | — | 10.7K | Form 4 ↗ |
MARTIN WILLIAM E. III President Multiomics | Apr 28, 2026 | Award | 17,790 | $24.24 | $431.2K | 17.8K | Form 4 ↗ |
Nova Tina Susan director | Feb 6, 2026 | Award | 5,663 | $27.85 | $157.7K | 15.8K | Form 4 ↗ |
Doshi Dipal director | Feb 5, 2026 | Award | 5,663 | $27.85 | $157.7K | 9.7K | Form 4 ↗ |
Casal Frank director | Feb 5, 2026 | Award | 7,243 | $27.85 | $201.7K | 21.8K | Form 4 ↗ |
McLaughlin Erica director | Feb 5, 2026 | Award | 5,663 | $27.85 | $157.7K | 22.5K | Form 4 ↗ |
Marotta John President and CEO | Nov 24, 2025 | Award | 118,194 | — | — | 213.2K | Form 4 ↗ |
Marotta John President and CEO | Nov 24, 2025 | Award | 122,269 | — | — | 217.3K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Azenta, Inc. (AZTA) is primarily owned by institutional investors, who hold approximately 100.0% of total shares outstanding. Company insiders own approximately 11.91%, while retail and public investors account for the remaining 0.00%.
The largest institutional shareholder of Azenta, Inc. is BLACKROCK, INC., holding approximately 5.40 million shares — equal to 11.82% of outstanding shares — as of March 31, 2025.
A total of 301 institutional investors currently hold AZTA stock, with a combined institutional value of approximately $1.82 billion as of the most recent 13F filing period.
Frequently asked questions
AZTA ownershipAzenta, Inc. (AZTA) is primarily owned by institutional investors, who hold approximately 100.0% of shares. The largest shareholder is BLACKROCK, INC. with a 11.82% stake. Company insiders hold 11.91%. Data sourced from SEC Form 13F as of March 31, 2025.