NYSE · Healthcare · Holders
Pfizer Inc. (PFE) Institutional Ownership & Insider Trading History
Top PFE institutional shareholders, filing changes, and Form 4 insider activity with filters for buys, sales, option exercises, gifts, and tax withholding.
- Last confirmed price
- $27.80-1.14%
- Oct 2, 2026, 4:01 PM EDT · Prices may be delayed
Data dates
Prices as of Oct 2, 4:01 PM EDT · Fundamentals checked Oct 5, 5:54 AM EDT · Statement period ended Jun 28, 2026
Ownership read
PFE insider transaction activity: Mixed, buy-heavy.
Blackrock Inc. is the largest institutional holder. 3 sales and 5 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
PFE
Directional bars ignore awards, gifts, conversions, and tax withholding rows.
Top holder
529.67M
Blackrock Inc.
Insider transaction activity
Mixed, buy-heavy
$199.49K sold / $3.49M bought
Observations shown
44
10 holder / 34 insider
- Holder rows
- 10
- Yahoo Finance · Filing dates shown per row
- Increased / initiated
- 8
- 2 decreased · provider-reported changes
- Insider rows
- 34
- Yahoo Finance · Filing dates shown per row
Ownership concentration and transaction activity
- Top 10 reported holders
- 32.41% 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
These changes cover the holders shown. A holder missing from this list may still own shares. Compare positions from the same reporting quarters.
Net shares sold: -127,542
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: 8
- Grant: 5
- Conversion / exercise: 21
Top 10 institutional holders
Pfizer Inc. (PFE) 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 | 9.29% | 529.67M | +6.30% | Position as of Jun 30, 2026Filing date unknown | |
| 2 | 6.53% | 372.15M | +0.74% | Position as of Jun 30, 2026Filing date unknown | |
| 3 | 5.39% | 307.09M | +1.82% | Position as of Jun 30, 2026Filing date unknown | |
| 4 | 2.37% | 135.28M | +1.28% | Position as of Jun 30, 2026Filing date unknown | |
| 5 | 2.09% | 119.24M | +2.14% | Position as of Jun 30, 2026Filing date unknown | |
| 6 | Fisher Asset Management, LLC | 1.91% | 109.07M | +3.91% | Position as of Jun 30, 2026Filing date unknown |
| 7 | 1.69% | 96.35M | +3.95% | Position as of Jun 30, 2026Filing date unknown | |
| 8 | 1.08% | 61.51M | -16.36% | Position as of Jun 30, 2026Filing date unknown | |
| 9 | 1.04% | 59.08M | -4.74% | Position as of Jun 30, 2026Filing date unknown | |
| 10 | Bank Of New York Mellon Corporation | 1.02% | 57.88M | +7.42% | Position as of Jun 30, 2026Filing date unknown |
Recent insider transactions
Pfizer Inc. (PFE) 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 | BOURLA ALBERT Chief Executive Officer | <0.01% | PurchaseOpen-market or direct purchase 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. | 38.00K | Aug 12, 2026 |
| 2 | DAMICO JENNIFER B. 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. | 3.28K | Aug 5, 2026 |
| 3 | BUCKLEY MORTIMER J. Director | <0.01% | PurchaseOpen-market or direct purchase 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. | 37.63K | Aug 5, 2026 |
| 4 | BLAYLOCK RONALD E Director | <0.01% | PurchaseOpen-market or direct purchase 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. | 39.23K | Aug 5, 2026 |
| 5 | DAMICO JENNIFER B. 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. | 2.00K | Jun 9, 2026 |
| 6 | DAMICO JENNIFER B. Officer | <0.01% | Stock Award(Grant)Transaction code reported in the data source. Check the original Form 4 filing for details.Transaction context
Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership. | 21.72K | Mar 3, 2026 |
| 7 | BOURLA ALBERT Chief Executive Officer | <0.01% | Conversion of Exercise of derivative securityTransaction code reported in the data source. Check the original Form 4 filing for details.Transaction context
Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership. | 491.63K | Feb 25, 2026 |
| 8 | DAMICO JENNIFER B. Officer | <0.01% | Conversion of Exercise of derivative securityTransaction code reported in the data source. Check the original Form 4 filing for details.Transaction context
Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership. | 17.56K | Feb 25, 2026 |
| 9 | SAHNI PAYAL Officer | <0.01% | Conversion of Exercise of derivative securityTransaction code reported in the data source. Check the original Form 4 filing for details.Transaction context
Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership. | 56.89K | Feb 25, 2026 |
| 10 | MCDERMOTT MICHAEL Officer | <0.01% | Conversion of Exercise of derivative securityTransaction code reported in the data source. Check the original Form 4 filing for details.Transaction context
Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership. | 37.92K | Feb 25, 2026 |
| 11 | BOSHOFF CHRISTOFFEL Officer | <0.01% | Stock Award(Grant)Transaction code reported in the data source. Check the original Form 4 filing for details.Transaction context
Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership. | 13.38K | Feb 25, 2026 |
| 12 | FONSECA LIDIA PH.D. Officer | <0.01% | Conversion of Exercise of derivative securityTransaction code reported in the data source. Check the original Form 4 filing for details.Transaction context
Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership. | 56.89K | Feb 25, 2026 |
Frequently asked
Questions about this quote
Who are the largest PFE shareholders?
Blackrock Inc. is the largest reported institutional holder of PFE, with 529.67 million shares, or about 9.29% of shares outstanding.
What does the institutional filing activity show for PFE?
Pfizer Inc. has 10 institutional rows on file: 8 increased or initiated positions and 2 reduced them.
What insider transactions are available for PFE?
TECHi shows 34 dated PFE insider transactions through Aug 12, 2026, with transaction types kept separate so administrative actions are not presented as open-market trades.
Are PFE insiders buying or selling?
The displayed PFE activity reads Mixed, buy-heavy: 3 sales and 5 purchases. Other transaction types remain separate.
Who is the most active reported PFE insider?
BOURLA ALBERT has the largest absolute share movement in the displayed PFE filing rows, totaling 1.35 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.
What this page answers
Check who owns the float and whether insiders are active.
Explore Institutional concentration, insider transaction pattern, and float context.
Keep in mind Filings are delayed or transactions are administrative rather than economic.
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