AZENTA INC AZTA
COM · Common Stock · CUSIP 114340102 · ISIN US1143401024
Life science company
- SectorIndustrials
- IndustrySpecial Industry Machinery, NEC
- HeadquartersBurlington, MA
- Websiteazenta.com
- FilingsSEC EDGAR
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($648.9k this quarter). Holder counts are more reliable. Shares outstanding: 43.8m as of 2026-08-03, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $25.52. Options: 4 managers hold calls ($3.6m notional), 8 hold puts ($11.8m).
Trends to Q2 2026
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 341 |
| Q4 2022 | 351 |
| Q1 2023 | 344 |
| Q2 2023 | 307 |
| Q3 2023 | 311 |
| Q4 2023 | 319 |
| Q1 2024 | 328 |
| Q2 2024 | 322 |
| Q3 2024 | 315 |
| Q4 2024 | 311 |
| Q1 2025 | 295 |
| Q2 2025 | 280 |
| Q3 2025 | 277 |
| Q4 2025 | 294 |
| Q1 2026 | 261 |
| Q2 2026 | 249 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q3 2024 | 131 | 182 |
| Q4 2024 | 133 | 180 |
| Q1 2025 | 142 | 165 |
| Q2 2025 | 154 | 158 |
| Q3 2025 | 113 | 151 |
| Q4 2025 | 137 | 135 |
| Q1 2026 | 129 | 168 |
| Q2 2026 | 135 | 132 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q3 2025 | $2.3m | $2.8m | 1.21 |
| Q4 2025 | $2.1m | $16.6k | 0.01 |
| Q1 2026 | $1.4m | $52.8k | 0.04 |
| Q2 2026 | $3.6m | $11.8m | 3.30 |
Biggest buyers
| SNYDER CAPITAL MANAGEMENT L P | Added | +839.4k |
| BlackRock, Inc. | Added | +804.5k |
| D. E. Shaw & Co., Inc. | Added | +662.0k |
| AMERIPRISE FINANCIAL INC | Added | +508.8k |
| MORGAN STANLEY | Added | +464.6k |
| Front Street Capital Management, Inc. | Added | +412.4k |
| Nuveen, LLC | Added | +377.5k |
| ROYCE & ASSOCIATES LP | Added | +368.1k |
| JUPITER ASSET MANAGEMENT LTD | Added | +322.4k |
| Kerrisdale Advisers, LLC | Added | +271.6k |
Biggest sellers
| Conestoga Capital Advisors, LLC | Sold out | -2.8m |
| CONGRESS ASSET MANAGEMENT CO | Sold out | -1.1m |
| Stephens Investment Management Group LLC | Sold out | -1.0m |
| DIMENSIONAL FUND ADVISORS LP | Reduced | -827.8k |
| FEDERATED HERMES, INC. | Reduced | -626.1k |
| ROYAL BANK OF CANADA | Reduced | -451.5k |
| Allspring Global Investments Holdings, LLC | Reduced | -421.9k |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | Reduced | -364.4k |
| PALISADE CAPITAL MANAGEMENT, LP | Reduced | -363.4k |
| Park West Asset Management LLC | Sold out | -327.9k |
Biggest calls
| JANE STREET GROUP, LLC | Added | $2.1m82.5k shares |
| CITADEL ADVISORS LLC | Added | $1.2m45.9k shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | $245.0k9.6k shares |
| SIMPLEX TRADING, LLC | Reduced | $61.2k2.4k shares |
Biggest puts
| WELLS FARGO & COMPANY/MN | New | $2.3m90.4k shares |
| HRT FINANCIAL LP | New | $2.3m90.4k shares |
| CITADEL ADVISORS LLC | New | $2.2m84.7k shares |
| JANE STREET GROUP, LLC | New | $2.0m78.5k shares |
| IMC-Chicago, LLC | New | $1.2m45.8k shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | New | $1.1m43.2k shares |
| SIMPLEX TRADING, LLC | Added | $750.3k29.4k shares |
| GROUP ONE TRADING LLC | New | $7.7k300 shares |
Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
| VANGUARD PORTFOLIO MANAGEMENT LLC 13G · institution new · filed 2026-04-28 | 5.3% |
Fell to 5% or below in the last year: VANGUARD GROUP INC (0.0%, 2026-03-26; now reported by VANGUARD PORTFOLIO MANAGEMENT LLC), DIMENSIONAL FUND ADVISORS LP (4.6%, 2026-01-21)
Insider purchases and sales since 1 Apr 2026
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
Officers and directors buying vs selling
Number of people, by quarter (10% owners not included)
Numbers
| Quarter | Buying | Bought | Selling | Sold | Sold under a plan |
|---|---|---|---|---|---|
| Q4 2024 | 4 | $1.3m | 6 | $205.9k | — |
| Q1 2025 | 1 | $19.1k | 1 | $16.8k | — |
| Q2 2025 | 3 | $535.7k | 0 | — | — |
| Q3 2025 | 1 | $69.9k | 3 | $40.3k | — |
| Q4 2025 | 0 | — | 0 | — | — |
| Q1 2026 | 0 | — | 0 | — | — |
| Q2 2026 | 1 | $163.8k | 0 | — | — |
| Q3 2026 | 1 | $8.1k | 0 | — | — |
| Date | Insider | Trade | Value |
|---|---|---|---|
| 2026-07-31 | Starr Ephraim SVP, Gen Counsel & Secretary | Bought | $8.1k335 shares |
| 2026-05-18 | Cornog William L Director · See footnote | Bought | $163.8k10.0k shares |
Their holding: how much the trade added to or took from the insider's holding (direct, or the trust or fund named). The same trade is sometimes reported by more than one insider, such as a fund and the director who represents it; totals count it once. A value is left blank where the reported price is far from the market price (usually a typo).
Holders, Q2 2026
| Manager | Shares | Change |
|---|---|---|
| BlackRock, Inc. 0.00% of their portfolio | 7.5m $192.2m | Added +804.5k |
| Politan Capital Management LP 46.26% of their portfolio | 4.6m $118.0m | Unchanged |
| VANGUARD PORTFOLIO MANAGEMENT LLC 0.00% of their portfolio | 2.5m $63.6m | Added +43.4k |
| VANGUARD CAPITAL MANAGEMENT LLC 0.00% of their portfolio | 1.9m $47.7m | Added +41.9k |
| STATE STREET CORP 0.00% of their portfolio | 1.9m $47.5m | Added +97.5k |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 0.01% of their portfolio | 1.4m $36.3m | Reduced -364.4k |
| D. E. Shaw & Co., Inc. 0.02% of their portfolio | 1.3m $34.2m | Added +662.0k |
| MORGAN STANLEY 0.00% of their portfolio | 1.3m $33.9m | Added +464.6k |
| Front Street Capital Management, Inc. 3.77% of their portfolio | 1.3m $33.2m | Added +412.4k |
| DIMENSIONAL FUND ADVISORS LP 0.01% of their portfolio | 1.2m $31.5m | Reduced -827.8k |
| Allspring Global Investments Holdings, LLC 0.05% of their portfolio | 1.2m $31.2m | Reduced -421.9k |
| NEUBERGER BERMAN GROUP LLC 0.02% of their portfolio | 1.1m $28.9m | Added +228.2k |
| GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio | 1.1m $28.1m | Added +91.3k |
| AMERICAN CAPITAL MANAGEMENT INC 1.21% of their portfolio | 1.1m $27.1m | Reduced -234.5k |
| GW&K Investment Management, LLC 0.20% of their portfolio | 988.4k $25.2m | Added +15.2k |
| ROYCE & ASSOCIATES LP 0.18% of their portfolio | 891.4k $22.7m | Added +368.1k |
| SNYDER CAPITAL MANAGEMENT L P 0.38% of their portfolio | 872.5k $22.3m | Added +839.4k |
| VICTORY CAPITAL MANAGEMENT INC 0.01% of their portfolio | 854.0k $21.8m | Added +17.3k |
| AMERIPRISE FINANCIAL INC 0.00% of their portfolio | 768.0k $19.6m | Added +508.8k |
| BANK OF AMERICA CORP /DE/ 0.00% of their portfolio | 668.4k $17.1m | Added +200.4k |
| SYSTEMATIC FINANCIAL MANAGEMENT LP 0.33% of their portfolio | 650.1k $16.6m | Added +92.4k |
| CITADEL ADVISORS LLC 0.01% of their portfolio | 595.9k $15.2m | Added +47.5k |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio | 589.0k $15.0m | Added +61.4k |
| SEGALL BRYANT & HAMILL, LLC 0.17% of their portfolio | 553.3k $14.1m | Added +75.0k |
| SCHRODER INVESTMENT MANAGEMENT GROUP 0.01% of their portfolio | 536.9k $13.7m | Added +8.6k |
| Nuveen, LLC 0.00% of their portfolio | 530.4k $13.5m | Added +377.5k |
| SILVERCREST ASSET MANAGEMENT GROUP LLC 0.09% of their portfolio | 524.6k $13.4m | Reduced -52.3k |
| NORTHERN TRUST CORP 0.00% of their portfolio | 484.4k $12.4m | Added +17.9k |
| JUPITER ASSET MANAGEMENT LTD 0.06% of their portfolio | 474.2k $12.1m | Added +322.4k |
| Rock Springs Capital Management LP 0.50% of their portfolio | 403.0k $10.3m | Reduced -166.1k |
| Quantinno Capital Management LP 0.01% of their portfolio | 395.8k $10.1m | Added +169.1k |
| GOLDMAN SACHS GROUP INC 0.00% of their portfolio | 391.5k $10.0m | Added +40.0k |
| UBS Group AG 0.00% of their portfolio | 385.2k $9.8m | Reduced -183.9k |
| Man Group plc 0.02% of their portfolio | 368.4k $9.4m | Reduced -214.2k |
| PALISADE CAPITAL MANAGEMENT, LP 0.33% of their portfolio | 295.9k $7.6m | Reduced -363.4k |
| AQR CAPITAL MANAGEMENT LLC 0.00% of their portfolio | 292.9k $7.3m | Reduced -32.9k |
| Kerrisdale Advisers, LLC 1.86% of their portfolio | 290.7k $7.4m | Added +271.6k |
| BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio | 278.6k $7.1m | Added +227.0k |
| VANGUARD FIDUCIARY TRUST CO 0.00% of their portfolio | 272.3k $6.9m | Added +1.8k |
| NEW YORK STATE COMMON RETIREMENT FUND 0.01% of their portfolio | 269.6k $6.9m | Reduced -1.3k |
| Bank of New York Mellon Corp 0.00% of their portfolio | 267.2k $6.8m | Added +17.9k |
| JPMORGAN CHASE & CO 0.00% of their portfolio | 243.5k $6.3m | Added +123.7k |
| FEDERATED HERMES, INC. 0.01% of their portfolio | 228.2k $5.8m | Reduced -626.1k |
| NORDEA INVESTMENT MANAGEMENT AB 0.00% of their portfolio | 227.0k $5.7m | Added +15 |
| Meros Investment Management, LP 1.78% of their portfolio | 220.4k $5.6m | Reduced -25.2k |
| Edgestream Partners, L.P. 0.16% of their portfolio | 215.7k $5.5m | Added +130.9k |
| NORGES BANK 0.00% of their portfolio | 214.7k $5.5m | Not comparable |
| CAXTON ASSOCIATES LLP 0.10% of their portfolio | 206.5k $5.3m | Added +33.5k |
| Invesco Ltd. 0.00% of their portfolio | 202.2k $5.2m | Reduced -10.9k |
| PRINCIPAL FINANCIAL GROUP INC 0.00% of their portfolio | 198.3k $5.1m | Reduced -973 |
| RAYMOND JAMES FINANCIAL INC 0.00% of their portfolio | 175.0k $4.5m | Added +136.6k |
| MILLENNIUM MANAGEMENT LLC 0.00% of their portfolio | 163.4k $4.2m | Added +98.0k |
| TUDOR INVESTMENT CORP ET AL 0.02% of their portfolio | 155.5k $4.0m | Added +137.5k |
| SEI INVESTMENTS CO 0.00% of their portfolio | 155.1k $4.0m | Reduced -88.3k |
| Public Sector Pension Investment Board 0.01% of their portfolio | 141.1k $3.6m | Reduced -6.0k |
| STATE OF WISCONSIN INVESTMENT BOARD 0.01% of their portfolio | 141.0k $3.6m | Added +31.6k |
| Jump Financial, LLC 0.03% of their portfolio | 135.8k $3.5m | Added +110.5k |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% of their portfolio | 135.4k $3.5m | Reduced -2.1k |
| Campbell & CO Investment Adviser LLC 0.17% of their portfolio | 127.9k $3.3m | Added +18.8k |
| XTX Topco Ltd 0.04% of their portfolio | 123.9k $3.2m | Added +28.8k |
| ExodusPoint Capital Management, LP 0.03% of their portfolio | 123.2k $3.1m | Reduced -2.1k |
| MARSHALL WACE, LLP 0.00% of their portfolio | 120.7k $3.1m | New |
| ALGERT GLOBAL LLC 0.03% of their portfolio | 110.7k $2.8m | New |
| RHUMBLINE ADVISERS 0.00% of their portfolio | 102.5k $2.6m | Added +3.1k |
| JOHN G ULLMAN & ASSOCIATES INC 0.32% of their portfolio | 102.4k $2.6m | Reduced -6.9k |
| AMERICAN CENTURY COMPANIES INC 0.00% of their portfolio | 99.2k $2.5m | Added +14.9k |
| Legal & General Group Plc 0.00% of their portfolio | 96.1k $2.5m | Reduced -2.0k |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. 0.00% of their portfolio | 90.8k $2.3m | Reduced -112 |
| Swiss National Bank 0.00% of their portfolio | 83.2k $2.1m | Added +1.8k |
| Russell Investments Group, Ltd. 0.00% of their portfolio | 78.7k $2.0m | Added +6.8k |
| Circumference Group LLC 3.88% of their portfolio | 70.0k $1.8m | New |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio | 68.5k $1.7m | Added +13.7k |
| Point72 Asset Management, L.P. 0.00% of their portfolio | 66.6k $1.7m | New |
| BARCLAYS PLC 0.00% of their portfolio | 65.2k $1.7m | Added +23.7k |
| MOORE CAPITAL MANAGEMENT, LP 0.04% of their portfolio | 61.5k $1.6m | New |
| ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio | 54.9k $1.2m | Reduced -114 |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio | 54.4k $1.4m | Reduced -1.3k |
| US BANCORP \DE\ 0.00% of their portfolio | 54.0k $1.4m | Added +51.0k |
| WELLS FARGO & COMPANY/MN 0.00% of their portfolio | 53.5k $1.4m | Reduced -48.8k |
| NEW YORK STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio | 53.3k $1.4m | Reduced -1.8k |
| CAPITAL FUND MANAGEMENT S.A. 0.01% of their portfolio | 51.9k $1.3m | Reduced -11.9k |
| Summit Trail Advisors, LLC 0.02% of their portfolio | 51.7k $1.3m | Added +5.9k |
| FIRST TRUST ADVISORS LP 0.00% of their portfolio | 47.9k $1.2m | Added +23.2k |
| DEUTSCHE BANK AG\ 0.00% of their portfolio | 45.1k $1.2m | Added +7.1k |
| Counterpoint Mutual Funds LLC 0.11% of their portfolio | 44.6k $1.1m | Added +18.3k |
| HSBC HOLDINGS PLC 0.00% of their portfolio | 44.0k $1.1m | Added +33.4k |
| PRUDENTIAL FINANCIAL INC 0.00% of their portfolio | 43.2k $1.1m | Reduced -13.1k |
| ROYAL BANK OF CANADA 0.00% of their portfolio | 43.0k $1.1m | Reduced -451.5k |
| ENVESTNET ASSET MANAGEMENT INC 0.00% of their portfolio | 42.2k $1.1m | Reduced -47.9k |
| PARADIGM CAPITAL MANAGEMENT INC/NY 0.03% of their portfolio | 40.9k $1.0m | Unchanged |
| Orion Porfolio Solutions, LLC 0.01% of their portfolio | 40.3k $1.0m | Added +17.7k |
| NISA INVESTMENT ADVISORS, LLC 0.00% of their portfolio | 38.2k $974.0k | Added +2.9k |
| VANGUARD ASSET MANAGEMENT, Ltd 0.00% of their portfolio | 36.2k $923.4k | Unchanged |
| IMA Advisory Services, Inc. 0.06% of their portfolio | 35.6k $909.6k | Added +1.6k |
| Numerai GP LLC 0.07% of their portfolio | 35.1k $894.6k | Added +13.0k |
| Thrivent Financial for Lutherans 0.00% of their portfolio | 34.3k $876.0k | Reduced -425 |
| MARTINGALE ASSET MANAGEMENT L P 0.02% of their portfolio | 32.2k $823.0k | New |
| INCEPTIONR LLC 0.20% of their portfolio | 31.9k $815.2k | Added +9.4k |
| Pinnacle Financial Partners, Inc. 0.01% of their portfolio | 30.6k $781.9k | Reduced -383 |
| CANADA LIFE ASSURANCE Co 0.00% of their portfolio | 29.6k $755.0k | Reduced -4.4k |