Azenta, Inc. (AZTA) Ownership
AZTA ownership summary
as of October 18, 2026- Institutions
- 117.8% of shares outstanding
- Insiders
- 1.34% of shares outstanding
- Shares outstanding
- 43.8M
- Float
- 38.9M shares available to trade
- Short interest
- 19.71% 5.3M shares short
- Days to cover
- 6.16 short interest down 1.2% vs prior month
- Institutions 117.79%
- Insiders 1.34%
AZTA top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | BlackRock Inc | 17.19% | 7.5M | $256.7M | +804,461 (+12.0%) | June 30, 2026 |
| 2 | Politan Capital Management LP | 10.55% | 4.6M | $157.6M | — | June 30, 2026 |
| 3 | Vanguard Portfolio Management, LLC | 5.69% | 2.5M | $85.0M | +43,352 (+1.8%) | June 30, 2026 |
| 4 | Vanguard Capital Management, LLC | 4.27% | 1.9M | $63.8M | +41,883 (+2.3%) | June 30, 2026 |
| 5 | State Street Corp | 4.25% | 1.9M | $63.4M | +97,522 (+5.5%) | June 30, 2026 |
| 6 | Massachusetts Financial Services Company | 3.25% | 1.4M | $48.5M | −364,432 (−20.4%) | June 30, 2026 |
| 7 | D. E. Shaw & Co LP | 3.06% | 1.3M | $45.7M | +662,009 (+97.5%) | June 30, 2026 |
| 8 | Morgan Stanley - Brokerage Accounts | 3.04% | 1.3M | $45.3M | +464,585 (+53.7%) | June 30, 2026 |
| 9 | Front Street Capital Management Inc | 2.97% | 1.3M | $44.4M | +412,389 (+46.4%) | June 30, 2026 |
| 10 | Dimensional Fund Advisors, Inc. | 2.81% | 1.2M | $42.0M | −827,849 (−40.2%) | June 30, 2026 |
| 11 | Allspring Global Investments Holdings, LLC | 2.72% | 1.2M | $40.6M | −421,906 (−26.1%) | June 30, 2026 |
| 12 | Neuberger Berman Group LLC | 2.58% | 1.1M | $38.6M | +228,221 (+25.3%) | June 30, 2026 |
| 13 | Geode Capital Management, LLC | 2.51% | 1.1M | $37.5M | +91,272 (+9.0%) | June 30, 2026 |
| 14 | American Capital Management Inc | 2.42% | 1.1M | $36.2M | −234,534 (−18.1%) | June 30, 2026 |
| 15 | GW&K Investment Management, LLC | 2.26% | 988K | $33.7M | +15,173 (+1.6%) | June 30, 2026 |
| 16 | Royce & Associates, LP | 2.03% | 891K | $30.4M | +368,111 (+70.3%) | June 30, 2026 |
| 17 | Snyder Capital Management LP | 1.99% | 873K | $29.7M | +839,350 (+2,528.6%) | June 30, 2026 |
| 18 | Victory Capital Management Inc. | 1.95% | 854K | $29.1M | +17,298 (+2.1%) | June 30, 2026 |
| 19 | Ameriprise Financial Inc | 1.75% | 768K | $26.2M | +508,798 (+196.3%) | June 30, 2026 |
| 20 | Bank of America Corp | 1.53% | 668K | $22.8M | +200,352 (+42.8%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 15 holders added 4.8M shares and 4 cut 1.8M.
AZTA top mutual fund and ETF holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | iShares Core S&P Small-Cap ETF | 5.36% | 2.3M | $80.0M | +603 (+0.0%) | September 30, 2026 |
| 2 | Vanguard MStar Total Stk Mkt Idx Invest | 3.02% | 1.3M | $45.1M | — | August 31, 2026 |
| 3 | iShares Russell 2000 ETF | 2.49% | 1.1M | $37.2M | −12,608 (−1.1%) | September 30, 2026 |
| 4 | Vanguard Small Cap Index | 2.18% | 954K | $32.5M | +5,202 (+0.5%) | August 31, 2026 |
| 5 | Vanguard MStar Small Cap Value Index | 1.38% | 606K | $20.7M | +529 (+0.1%) | August 31, 2026 |
| 6 | Columbia Small Cap Value Discv A | 1.12% | 489K | $16.7M | +3,100 (+0.6%) | August 31, 2026 |
| 7 | Tarkio | 1.10% | 480K | $16.4M | +229,600 (+91.8%) | May 31, 2026 |
| 8 | Fidelity Small Cap Index | 1.05% | 460K | $15.7M | +3,772 (+0.8%) | July 31, 2026 |
| 9 | Jupiter Merian Glb Eq Abs Rt I USD Acc | 1.03% | 450K | $15.3M | +305,422 (+211.0%) | June 30, 2026 |
| 10 | MFS New Discovery Value I | 1.00% | 440K | $15.0M | −7,422 (−1.7%) | August 31, 2026 |
| 11 | iShares Russell 2000 Value ETF | 0.90% | 396K | $13.5M | +600 (+0.2%) | September 30, 2026 |
| 12 | Allspring Special Small Cap Value A | 0.90% | 396K | $13.5M | −48,977 (−11.0%) | August 31, 2026 |
| 13 | DFA US Small Cap Value I | 0.87% | 381K | $13.0M | — | August 31, 2026 |
| 14 | Bridge Builder Small/Mid Cap Value | 0.85% | 370K | $12.6M | −92,617 (−20.0%) | September 30, 2026 |
| 15 | Nuveen Quant Small Cap Equity R6 | 0.83% | 366K | $12.5M | — | August 31, 2026 |
| 16 | State Street SPDR Port S&P 600 Sm CpETF | 0.83% | 362K | $12.3M | — | September 30, 2026 |
| 17 | Avantis US Small Cap Value ETF | 0.80% | 352K | $12.0M | — | September 30, 2026 |
| 18 | Strategic Advisers U.S. Total Stock | 0.75% | 327K | $11.2M | −6,600 (−2.0%) | August 31, 2026 |
| 19 | Vanguard Tax-Managed Small Cap Adm | 0.71% | 311K | $10.6M | — | August 31, 2026 |
| 20 | FTGF RY US SmCp Opp A USD Dis(A) | 0.67% | 296K | $10.1M | −4,654 (−1.6%) | August 31, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
AZTA insider transactions
latest 12| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2026-03-03 | Gilbert Ray Cisneros, Jr. | Buy | $24.54 | — | — |
| 2026-01-15 | Gilbert Ray Cisneros, Jr. | Buy | $39.91 | — | — |
| 2025-10-09 | Gilbert Ray Cisneros, Jr. | Buy | $31.73 | — | — |
| 2025-03-19 | Josh Gottheimer | Sell | $36.78 | — | — |
| 2024-11-19 | Herman Cueto | Sell | $40.07 | 712 | $28,530 |
| 2024-11-19 | Olga Pirogova | Sell | $40.07 | 548 | $21,958 |
| 2024-11-19 | Violetta Hughes | Sell | $40.07 | 163 | $6,531 |
| 2024-11-18 | John Marotta | Buy | $39.48 | 12,717 | $502,067 |
| 2024-11-18 | William L Cornog | Buy | $39.60 | 12,500 | $495,000 |
| 2024-10-17 | Herman Cueto | Sell | $43.68 | 1,595 | $69,670 |
| 2023-09-15 | Josh Gottheimer | Sell | $51.10 | — | — |
| 2023-08-10 | David C Gray | Sell | $57.24 | 4,311 | $246,762 |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
AZTA shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns AZTA
Institutional investors own 117.8% of Azenta's shares and insiders 1.34%. The largest holder is BlackRock Inc with 17.19% of the shares (7.5M), as of June 30, 2026. Among the top 20 institutions, 15 added shares and 4 reduced their stake in the latest filings. Short interest is 19.71% of the float, or 6.16 days of average trading volume. The share count fell 31.6% since 2014.
Related: AZTA analyst forecast, AZTA key metrics. See the AZTA stock overview for the latest quote and news.
AZTA ownership FAQ
Who owns the most Azenta stock?
The largest shareholders of Azenta are BlackRock Inc (17.19%), Politan Capital Management LP (10.55%), Vanguard Portfolio Management, LLC (5.69%), Vanguard Capital Management, LLC (4.27%), State Street Corp (4.25%).
What percentage of Azenta is owned by institutions?
Institutions hold 117.8% of Azenta's shares outstanding; insiders hold 1.34%.
Which funds own Azenta?
The largest fund holders of Azenta are iShares Core S&P Small-Cap ETF (5.36%), Vanguard MStar Total Stk Mkt Idx Invest (3.02%), iShares Russell 2000 ETF (2.49%), Vanguard Small Cap Index (2.18%), Vanguard MStar Small Cap Value Index (1.38%).
What is Azenta's short interest?
5.3M shares of Azenta were sold short, 19.71% of the float; at the average daily volume it would take 6.16 days to cover.
Are insiders buying or selling Azenta?
Of the latest 12 reported insider transactions in Azenta (since August 10, 2023), 5 were purchases and 7 were sales.
How many shares of Azenta are outstanding?
Azenta has 43.8M shares outstanding, of which 38.9M are in the public float.