
NASDAQ · Technology · Holders
Micron Technology (MU) Institutional Ownership & Insider Trading History
Top MU institutional shareholders, filing changes, and Form 4 insider activity with filters for buys, sales, option exercises, gifts, and tax withholding.
Section freshness
Prices as of Sep 29, 9:53 AM EDT · Fundamentals checked Sep 29, 9:39 AM EDT · Statements May 28, 2026
Ownership read
MU insider transaction activity: Mixed, sale-heavy.
Blackrock Inc. is the largest institutional holder. 62 sales and 1 purchases appear in the recent Form 4 filings. Use the filters below to separate open-market activity from option exercises, gifts, awards, and tax withholding.
Insider flow
MU
Directional bars ignore awards, gifts, conversions, and tax withholding rows.
Top holder
104.83M
Blackrock Inc.
Insider transaction activity
Mixed, sale-heavy
$437.09M sold / $7.82M bought
Observations shown
130
10 holder / 120 insider
- Holder rows
- 10
- Yahoo Finance · Filing dates shown per row
- Increased / initiated
- 6
- 4 decreased · provider-reported changes
- Insider rows
- 120
- Yahoo Finance · Filing dates shown per row
Ownership concentration and transaction activity
- Top 10 reported holders
- 37.05% outstanding
- Changes with share-count history
- Prior-position data unavailable
- New / exited positions
- 0 / 0 explicitly reported
- Largest increase with share-count history
- Prior share counts unavailable
Reported-holder cohort only; absence from a limited provider list does not establish an exit. Changes are provider-reported and are only comparable quarter over quarter when the position periods match.
Net shares sold: 1,190,585
Sale-code S shares minus purchase-code P shares in this sample. Includes disclosed plans and unknown plan status; excludes grants, gifts, exercises and withholding. This is activity, not sentiment.
- Purchase / sale; plan unknown: 63
- Grant: 35
- Gift: 7
- Other / unclassified: 15
Top 10 institutional holders
Micron Technology (MU) institutional ownership
Ranked by reported share count, with position changes and separate position and filing dates where ownership data supplies them.
| # | Institution | % held | Shares | Change % | Position / filing date |
|---|---|---|---|---|---|
| 1 | 9.28% | 104.83M | +1.63% | Position as of Jun 30, 2026Filing date unknown | |
| 2 | 6.52% | 73.66M | +0.71% | Position as of Jun 30, 2026Filing date unknown | |
| 3 | 4.43% | 50.08M | -4.14% | Position as of Jun 30, 2026Filing date unknown | |
| 4 | 3.22% | 36.32M | +1.77% | Position as of Jun 30, 2026Filing date unknown | |
| 5 | 2.61% | 29.47M | -29.92% | Position as of Jun 30, 2026Filing date unknown | |
| 6 | 2.45% | 27.71M | +1.00% | Position as of Jun 30, 2026Filing date unknown | |
| 7 | 2.37% | 26.72M | -16.65% | Position as of Jun 30, 2026Filing date unknown | |
| 8 | 2.29% | 25.84M | +63.78% | Position as of Jun 30, 2026Filing date unknown | |
| 9 | 2.18% | 24.66M | +7.11% | Position as of Jun 30, 2026Filing date unknown | |
| 10 | Primecap Management Company | 1.70% | 19.22M | -12.15% | Position as of Jun 30, 2026Filing date unknown |
Recent insider transactions
Micron Technology (MU) Form 4 filings
Action codes are translated so open-market buys and sales are separate from awards, gifts, conversions, and tax withholding.
| # | Insider | % company | Action | Shares | Transaction date |
|---|---|---|---|---|---|
| 1 | MEHROTRA SANJAY Chief Executive Officer | <0.01% | SaleOpen-market or direct sale reported on Form 4.Transaction context
Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership. | 40.00K | Aug 21, 2026 |
| 2 | SADANA SUMIT Officer | <0.01% | SaleOpen-market or direct sale reported on Form 4.Transaction context
Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership. | 15.00K | Aug 18, 2026 |
| 3 | MEHROTRA SANJAY Chief Executive Officer | <0.01% | SaleOpen-market or direct sale reported on Form 4.Transaction context
Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership. | 31.29K | Jul 24, 2026 |
| 4 | MEHROTRA SANJAY Chief Executive Officer | <0.01% | SaleOpen-market or direct sale reported on Form 4.Transaction context
Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership. | 8.71K | Jul 24, 2026 |
| 5 | ALLEN SCOTT R Officer | <0.01% | SaleOpen-market or direct sale reported on Form 4.Transaction context
Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership. | 879 | Jul 23, 2026 |
| 6 | ARNZEN APRIL S Officer | <0.01% | SaleOpen-market or direct sale reported on Form 4.Transaction context
Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership. | 40.00K | Jul 1, 2026 |
| 7 | LIU TEYIN MARK Director | <0.01% | Stock Award(Grant)Provider-supplied Form 4 action code. Review the original filing before making a trading judgment.Transaction context
Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership. | 27 | Jun 30, 2026 |
| 8 | DUGLE LYNN A Director | <0.01% | SaleOpen-market or direct sale reported on Form 4.Transaction context
Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership. | 1.30K | Jun 30, 2026 |
| 9 | DUGLE LYNN A Director | <0.01% | Stock GiftProvider-supplied Form 4 action code. Review the original filing before making a trading judgment.Transaction context
Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership. | 700 | Jun 30, 2026 |
| 10 | BJORLIN ALEXIS Director | <0.01% | SaleOpen-market or direct sale reported on Form 4.Transaction context
Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership. | 25 | Jun 26, 2026 |
| 11 | MEHROTRA SANJAY Chief Executive Officer | <0.01% | SaleOpen-market or direct sale reported on Form 4.Transaction context
Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership. | 28.51K | Jun 26, 2026 |
| 12 | MEHROTRA SANJAY Chief Executive Officer | <0.01% | SaleOpen-market or direct sale reported on Form 4.Transaction context
Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership. | 11.49K | Jun 26, 2026 |
Frequently asked
Common questions.
Who are the largest MU shareholders?
Blackrock Inc. is the largest reported institutional holder of MU, with 104.83 million shares, or about 9.28% of shares outstanding.
What does the institutional filing activity show for MU?
Micron Technology has 10 institutional rows on file: 6 increased or initiated positions and 4 reduced them.
What insider transactions are available for MU?
TECHi shows 120 dated MU insider transactions through Aug 21, 2026, with transaction types kept separate so administrative actions are not presented as open-market trades.
Are MU insiders buying or selling?
The displayed MU activity reads Mixed, sale-heavy: 62 sales and 1 purchases. Other transaction types remain separate.
Who is the most active reported MU insider?
MEHROTRA SANJAY has the largest absolute share movement in the displayed MU filing rows, totaling 1.19 million shares. The action labels provide the transaction context.
All data sources
Search the dated figures used for this view. Each entry identifies its units, reporting period and calculation status.
How to use this page
Use this to check who owns the float and whether insiders are active.
Best for Institutional concentration, insider transaction pattern, and float context.
Weak when Filings are delayed or transactions are administrative rather than economic.
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