VANGUARD GROUP INC
Rank #1
10.4%
- Shares
- 97.22M
- Change
- +1.44M
- Change %
- +150.00%
- Filing
- Dec 31, 2025
Increased
Methodology published · Market data, model notes, and corrections process are public · Data policy · Corrections policy
NYSE · TECHNOLOGY · Holders
International Business Machines (IBM) Institutional Ownership & Insider Trading History
Top IBM institutional shareholders, filing changes, and Form 4 insider activity with filters for buys, sales, option exercises, gifts, and tax withholding.
Section freshness
Price Jun 23, 4:00 PM EDT · Statements Mar 30, 8:00 PM EDT
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Data freshness
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Price time means the latest available trade or regular-market close. Other times show when that section was checked or published.
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Ownership read
IBM insider sentiment: Mixed, buy-heavy.
VANGUARD GROUP INC is the largest institutional holder. 58 sales and 62 purchases appear in the recent Form 4 filings. Use the filters below to separate real buying and selling from option exercises, gifts, awards, and tax withholding.
Insider flow
IBM
Purchases658.58K
Sales221.25K
Directional bars ignore awards, gifts, conversions, and tax withholding rows.
Top holder
97.22M
VANGUARD GROUP INC
Insider stance
Mixed, buy-heavy
$45.47M sold / $1.49M bought
Latest filing
Jun 4, 2026
Most recent holder or insider filing date
Filings shown
240
120 holder / 120 insider
- Holder rows
- 120
- Market data source
- Latest filing
- Jun 4, 2026
- Most recent holder or insider filing date
- Increased / initiated
- 65
- 54 decreased
- Insider rows
- 120
- Market data source
Top 120 institutional holders
International Business Machines (IBM) institutional ownership
Ranked by reported share count, with position changes and latest filing dates where ownership data supplies them.
BLACKROCK
Rank #2
8.29%
- Shares
- 77.57M
- Change
- -307.62K
- Change %
- -40.00%
- Filing
- Mar 31, 2026
Decreased
VANGUARD CAPITAL MANAGEMENT LLC
Rank #3
6.50%
- Shares
- 60.85M
- Change
- +60.85M
- Change %
- —
- Filing
- Mar 31, 2026
Initiated
STATE STREET CORP
Rank #4
5.83%
- Shares
- 54.59M
- Change
- -401.80K
- Change %
- -73.00%
- Filing
- Mar 31, 2026
Decreased
VANGUARD PORTFOLIO MANAGEMENT LLC
Rank #5
2.96%
- Shares
- 27.66M
- Change
- +27.66M
- Change %
- —
- Filing
- Mar 31, 2026
Initiated
GEODE CAPITAL MANAGEMENT
Rank #6
2.47%
- Shares
- 23.08M
- Change
- +471.25K
- Change %
- +2.08%
- Filing
- Mar 31, 2026
Increased
MORGAN STANLEY
Rank #7
2.10%
- Shares
- 19.63M
- Change
- +4.77M
- Change %
- +32.11%
- Filing
- Mar 31, 2026
Increased
JPMORGAN CHASE & CO
Rank #8
1.98%
- Shares
- 18.54M
- Change
- +3.34M
- Change %
- +21.98%
- Filing
- Mar 31, 2026
Increased
CAPITAL WORLD INVESTORS
Rank #9
1.82%
- Shares
- 17.06M
- Change
- -4.96M
- Change %
- -22.52%
- Filing
- Mar 31, 2026
Decreased
BANK OF AMERICA CORP
Rank #10
1.72%
- Shares
- 16.06M
- Change
- +1.05M
- Change %
- +6.99%
- Filing
- Mar 31, 2026
Increased
NORTHERN TRUST CORP
Rank #11
1.10%
- Shares
- 10.30M
- Change
- +172.61K
- Change %
- +1.70%
- Filing
- Mar 31, 2026
Increased
NORGES BANK
Rank #12
0.88%
- Shares
- 8.26M
- Change
- +1.44M
- Change %
- +21.06%
- Filing
- Dec 31, 2025
Increased
UBS AM
Rank #13
0.81%
- Shares
- 7.57M
- Change
- +302.37K
- Change %
- +4.16%
- Filing
- Mar 31, 2026
Increased
BANK OF NEW YORK MELLON CORP
Rank #14
0.77%
- Shares
- 7.17M
- Change
- -22.24K
- Change %
- -31.00%
- Filing
- Mar 31, 2026
Decreased
GOLDMAN SACHS GROUP INC
Rank #15
0.75%
- Shares
- 7.01M
- Change
- +412.35K
- Change %
- +6.25%
- Filing
- Mar 31, 2026
Increased
LEGAL & GENERAL GROUP PLC
Rank #16
0.74%
- Shares
- 6.91M
- Change
- -187.44K
- Change %
- -2.64%
- Filing
- Mar 31, 2026
Decreased
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
Rank #17
0.72%
- Shares
- 6.74M
- Change
- +156.70K
- Change %
- +2.38%
- Filing
- Mar 31, 2026
Increased
VANGUARD FIDUCIARY TRUST CO
Rank #18
0.56%
- Shares
- 5.26M
- Change
- +5.26M
- Change %
- —
- Filing
- Mar 31, 2026
Initiated
FMR LLC
Rank #19
0.56%
- Shares
- 5.25M
- Change
- -1.41M
- Change %
- -21.15%
- Filing
- Mar 31, 2026
Decreased
DIMENSIONAL FUND ADVISORS LP
Rank #20
0.55%
- Shares
- 5.14M
- Change
- +100.65K
- Change %
- +2.00%
- Filing
- Mar 31, 2026
Increased
| # | Institution | % held | Shares | Change | Change % | Filing date |
|---|---|---|---|---|---|---|
| 1 | 10.4% | 97.22M | +1.44M Increased | +150.00% | Dec 31, 2025 | |
| 2 | 8.29% | 77.57M | -307.62K Decreased | -40.00% | Mar 31, 2026 | |
| 3 | 6.50% | 60.85M | +60.85M Initiated | — | Mar 31, 2026 | |
| 4 | 5.83% | 54.59M | -401.80K Decreased | -73.00% | Mar 31, 2026 | |
| 5 | 2.96% | 27.66M | +27.66M Initiated | — | Mar 31, 2026 | |
| 6 | 2.47% | 23.08M | +471.25K Increased | +2.08% | Mar 31, 2026 | |
| 7 | 2.10% | 19.63M | +4.77M Increased | +32.11% | Mar 31, 2026 | |
| 8 | 1.98% | 18.54M | +3.34M Increased | +21.98% | Mar 31, 2026 | |
| 9 | 1.82% | 17.06M | -4.96M Decreased | -22.52% | Mar 31, 2026 | |
| 10 | 1.72% | 16.06M | +1.05M Increased | +6.99% | Mar 31, 2026 | |
| 11 | 1.10% | 10.30M | +172.61K Increased | +1.70% | Mar 31, 2026 | |
| 12 | 0.88% | 8.26M | +1.44M Increased | +21.06% | Dec 31, 2025 | |
| 13 | 0.81% | 7.57M | +302.37K Increased | +4.16% | Mar 31, 2026 | |
| 14 | BANK OF NEW YORK MELLON CORP | 0.77% | 7.17M | -22.24K Decreased | -31.00% | Mar 31, 2026 |
| 15 | 0.75% | 7.01M | +412.35K Increased | +6.25% | Mar 31, 2026 | |
| 16 | 0.74% | 6.91M | -187.44K Decreased | -2.64% | Mar 31, 2026 | |
| 17 | 0.72% | 6.74M | +156.70K Increased | +2.38% | Mar 31, 2026 | |
| 18 | 0.56% | 5.26M | +5.26M Initiated | — | Mar 31, 2026 | |
| 19 | 0.56% | 5.25M | -1.41M Decreased | -21.15% | Mar 31, 2026 | |
| 20 | 0.55% | 5.14M | +100.65K Increased | +2.00% | Mar 31, 2026 |
Showing 20 of 120 matching institutional rows.Load more institutions
Recent insider transactions
International Business Machines (IBM) Form 4 filings
Action codes are translated so open-market buys and sales are separate from awards, gifts, conversions, and tax withholding.
FEHRING, NICOLAS A.
VP, Controller
- Shares
- 400
- % company
- <0.01%
- Price
- Not reported
- Value
- Not reported
Filed Jun 4, 2026
ZOLLAR, ALFRED W
Director
- Shares
- 377
- % company
- <0.01%
- Price
- $242.39
- Value
- $91,381
Filed Mar 31, 2026
BUBERL, THOMAS
Director
- Shares
- 377
- % company
- <0.01%
- Price
- $242.39
- Value
- $91,381
Filed Mar 31, 2026
WADDELL, FREDERICK H
Director
- Shares
- 403
- % company
- <0.01%
- Price
- $242.39
- Value
- $97,683
Filed Mar 31, 2026
VOSER, PETER R.
Director
- Shares
- 413
- % company
- <0.01%
- Price
- $242.39
- Value
- $100,107
Filed Mar 31, 2026
MIEBACH, MICHAEL
Director
- Shares
- 377
- % company
- <0.01%
- Price
- $242.39
- Value
- $91,381
Filed Mar 31, 2026
MCNABB, FREDERICK WILLIAM III
Director
- Shares
- 377
- % company
- <0.01%
- Price
- $242.39
- Value
- $91,381
Filed Mar 31, 2026
POLLACK, MARTHA E
Director
- Shares
- 243
- % company
- <0.01%
- Price
- $242.39
- Value
- $58,901
Filed Mar 31, 2026
HOWARD, MICHELLE J
Director
- Shares
- 264
- % company
- <0.01%
- Price
- $242.39
- Value
- $63,991
Filed Mar 31, 2026
GORSKY, ALEX
Director
- Shares
- 444
- % company
- <0.01%
- Price
- $242.39
- Value
- $107,621
Filed Mar 31, 2026
BROWN, MARIANNE CATHERINE
Director
- Shares
- 377
- % company
- <0.01%
- Price
- $242.39
- Value
- $91,381
Filed Mar 31, 2026
LAGUARTA, RAMON
Director
- Shares
- 126
- % company
- <0.01%
- Price
- $242.39
- Value
- $30,541
Filed Mar 31, 2026
| # | Insider | % company | Action | Shares | Price | Value | Filing date |
|---|---|---|---|---|---|---|---|
| 1 | FEHRING, NICOLAS A. VP, Controller | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 400 | Not reported | Not reported | Jun 4, 2026 |
| 2 | ZOLLAR, ALFRED W Director | <0.01% | PurchaseOpen-market or direct purchase reported on Form 4. | 377 | $242.39 | $91,381 | Mar 31, 2026 |
| 3 | BUBERL, THOMAS Director | <0.01% | PurchaseOpen-market or direct purchase reported on Form 4. | 377 | $242.39 | $91,381 | Mar 31, 2026 |
| 4 | WADDELL, FREDERICK H Director | <0.01% | PurchaseOpen-market or direct purchase reported on Form 4. | 403 | $242.39 | $97,683 | Mar 31, 2026 |
| 5 | VOSER, PETER R. Director | <0.01% | PurchaseOpen-market or direct purchase reported on Form 4. | 413 | $242.39 | $100,107 | Mar 31, 2026 |
| 6 | MIEBACH, MICHAEL Director | <0.01% | PurchaseOpen-market or direct purchase reported on Form 4. | 377 | $242.39 | $91,381 | Mar 31, 2026 |
| 7 | MCNABB, FREDERICK WILLIAM III Director | <0.01% | PurchaseOpen-market or direct purchase reported on Form 4. | 377 | $242.39 | $91,381 | Mar 31, 2026 |
| 8 | POLLACK, MARTHA E Director | <0.01% | PurchaseOpen-market or direct purchase reported on Form 4. | 243 | $242.39 | $58,901 | Mar 31, 2026 |
| 9 | HOWARD, MICHELLE J Director | <0.01% | PurchaseOpen-market or direct purchase reported on Form 4. | 264 | $242.39 | $63,991 | Mar 31, 2026 |
| 10 | GORSKY, ALEX Director | <0.01% | PurchaseOpen-market or direct purchase reported on Form 4. | 444 | $242.39 | $107,621 | Mar 31, 2026 |
| 11 | BROWN, MARIANNE CATHERINE Director | <0.01% | PurchaseOpen-market or direct purchase reported on Form 4. | 377 | $242.39 | $91,381 | Mar 31, 2026 |
| 12 | LAGUARTA, RAMON Director | <0.01% | PurchaseOpen-market or direct purchase reported on Form 4. | 126 | $242.39 | $30,541 | Mar 31, 2026 |
Showing 12 of 120 matching Form 4 rows. Percent of company uses current shares outstanding when available.Load more insiders
Frequently asked
Common questions.
Who are the largest IBM shareholders?
VANGUARD GROUP INC is the largest institutional holder of IBM, with 97.22 million shares, or about 10.39% of shares outstanding. Additional institutions are ranked by reported share count.
What is institutional ownership of IBM?
International Business Machines (IBM) has 120 institutional holders on file — 65 that increased or initiated positions and 54 that reduced them, as of the latest filing on Mar 31, 2026.
Where can I see International Business Machines insider transactions?
International Business Machines (IBM) has 120 Form 4 insider transactions on file, most recently on Jun 4, 2026, separated into purchases, sales, option exercises, awards, gifts, and tax withholding so administrative transactions are distinguished from open-market trades.
Are IBM insiders buying or selling?
Recent IBM insider activity reads Mixed, buy-heavy: 58 sales and 62 purchases. Awards, gifts, conversions, and tax withholding are listed separately because they do not carry the same signal as open-market trades.
Who is the most active IBM insider?
KRISHNA, ARVIND is the most active IBM insider by absolute share movement, with 293,193 shares moving across the filing history. Review the action labels before treating that activity as buying or selling.