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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 24, 10:14 AM EDT · Statements Mar 30, 8:00 PM EDT

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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.

VANGUARD GROUP INC

Rank #1

10.4%

Shares
97.22M
Change
+1.44M
Change %
+150.00%
Filing
Dec 31, 2025

Increased

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

PRICE T ROWE ASSOCIATES INC

Rank #21

0.52%

Shares
4.87M
Change
-746.76K
Change %
-13.29%
Filing
Mar 31, 2026

Decreased

AMERIPRISE FINANCIAL INC

Rank #22

0.51%

Shares
4.77M
Change
-796.06K
Change %
-14.29%
Filing
Mar 31, 2026

Decreased

AMUNDI

Rank #23

0.51%

Shares
4.77M
Change
+258.76K
Change %
+5.73%
Filing
Mar 31, 2026

Increased

WELLS FARGO & COMPANY

Rank #24

0.48%

Shares
4.53M
Change
-189.15K
Change %
-4.01%
Filing
Mar 31, 2026

Decreased

INVESCO LTD.

Rank #25

0.45%

Shares
4.19M
Change
+541.84K
Change %
+14.85%
Filing
Mar 31, 2026

Increased

UBS GROUP AG

Rank #26

0.42%

Shares
3.94M
Change
+205.03K
Change %
+5.49%
Filing
Mar 31, 2026

Increased

ROYAL BANK OF CANADA

Rank #27

0.42%

Shares
3.93M
Change
-292.33K
Change %
-6.92%
Filing
Mar 31, 2026

Decreased

DEUTSCHE BANK AG\

Rank #28

0.38%

Shares
3.56M
Change
-356.36K
Change %
-9.09%
Filing
Mar 31, 2026

Decreased

NUVEEN

Rank #29

0.36%

Shares
3.36M
Change
+241.34K
Change %
+7.74%
Filing
Mar 31, 2026

Increased

FIRST TRUST ADVISORS LP

Rank #30

0.36%

Shares
3.33M
Change
+1.12M
Change %
+50.48%
Filing
Mar 31, 2026

Increased

FRANKLIN RESOURCES INC

Rank #31

0.34%

Shares
3.18M
Change
+1.03M
Change %
+47.74%
Filing
Mar 31, 2026

Increased

VICTORY CAPITAL MANAGEMENT INC

Rank #32

0.32%

Shares
3.02M
Change
-1.57M
Change %
-34.16%
Filing
Mar 31, 2026

Decreased

SWISS NATIONAL BANK

Rank #33

0.29%

Shares
2.74M
Change
+190.64K
Change %
+7.47%
Filing
Mar 31, 2026

Increased

RAYMOND JAMES FINANCIAL INC

Rank #34

0.29%

Shares
2.74M
Change
-81.49K
Change %
-2.89%
Filing
Mar 31, 2026

Decreased

STIFEL FINANCIAL CORP

Rank #35

0.29%

Shares
2.68M
Change
-50.01K
Change %
-1.83%
Filing
Mar 31, 2026

Decreased

CAPITAL WEALTH PLANNING

Rank #36

0.28%

Shares
2.65M
Change
+205.83K
Change %
+8.42%
Filing
Mar 31, 2026

Increased

CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM

Rank #37

0.26%

Shares
2.48M
Change
-410.55K
Change %
-14.21%
Filing
Mar 31, 2026

Decreased

SUMITOMO MITSUI TRUST GROUP

Rank #38

0.25%

Shares
2.35M
Change
-91.57K
Change %
-3.75%
Filing
Mar 31, 2026

Decreased

BARCLAYS PLC

Rank #39

0.25%

Shares
2.34M
Change
-425.59K
Change %
-15.38%
Filing
Mar 31, 2026

Decreased

NATIONAL PENSION SERVICE

Rank #40

0.24%

Shares
2.29M
Change
+17.45K
Change %
+77.00%
Filing
Mar 31, 2026

Increased

MITSUBISHI UFJ ASSET MANAGEMENT CO.

Rank #41

0.24%

Shares
2.25M
Change
+147.34K
Change %
+7.00%
Filing
Mar 31, 2026

Increased

HSBC HOLDINGS PLC

Rank #42

0.23%

Shares
2.11M
Change
-26.71K
Change %
-125.00%
Filing
Mar 31, 2026

Decreased

VANGUARD GLOBAL ADVISERS

Rank #43

0.22%

Shares
2.04M
Change
+2.04M
Change %
Filing
Mar 31, 2026

Initiated

LPL FINANCIAL LLC

Rank #44

0.21%

Shares
2.00M
Change
-12.94K
Change %
-64.00%
Filing
Mar 31, 2026

Decreased

AQR CAPITAL MANAGEMENT LLC

Rank #45

0.20%

Shares
1.89M
Change
+1.03M
Change %
+120.40%
Filing
Mar 31, 2026

Increased

CITIGROUP INC

Rank #46

0.20%

Shares
1.87M
Change
-307.48K
Change %
-14.15%
Filing
Mar 31, 2026

Decreased

VANGUARD ASSET MANAGEMENT

Rank #47

0.19%

Shares
1.75M
Change
+1.75M
Change %
Filing
Mar 31, 2026

Initiated

CANADA PENSION PLAN INVESTMENT BOARD

Rank #48

0.17%

Shares
1.60M
Change
+368.83K
Change %
+30.06%
Filing
Mar 31, 2026

Increased

RHUMBLINE ADVISERS

Rank #49

0.17%

Shares
1.56M
Change
-22.31K
Change %
-141.00%
Filing
Mar 31, 2026

Decreased

ALLIANCEBERNSTEIN L.P.

Rank #50

0.16%

Shares
1.47M
Change
-18.84K
Change %
-126.00%
Filing
Mar 31, 2026

Decreased

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM

Rank #51

0.15%

Shares
1.42M
Change
-31.40K
Change %
-2.16%
Filing
Mar 31, 2026

Decreased

DEKABANK DEUTSCHE GIROZENTRALE

Rank #52

0.14%

Shares
1.35M
Change
Change %
0.00%
Filing
Mar 31, 2026

Unchanged

HIGHTOWER ADVISORS

Rank #53

0.14%

Shares
1.34M
Change
-76.28K
Change %
-5.37%
Filing
Mar 31, 2026

Decreased

BNP PARIBAS FINANCIAL MARKETS

Rank #54

0.14%

Shares
1.32M
Change
-643.25K
Change %
-32.83%
Filing
Mar 31, 2026

Decreased

VOYA INVESTMENT MANAGEMENT LLC

Rank #55

0.14%

Shares
1.31M
Change
+345.02K
Change %
+35.69%
Filing
Mar 31, 2026

Increased

BANK OF MONTREAL

Rank #56

0.14%

Shares
1.28M
Change
-13.64K
Change %
-105.00%
Filing
Mar 31, 2026

Decreased

BANK JULIUS BAER & CO. LTD

Rank #57

0.13%

Shares
1.23M
Change
-419.26K
Change %
-25.50%
Filing
Mar 31, 2026

Decreased

ABERDEEN GROUP PLC

Rank #58

0.12%

Shares
1.16M
Change
+23.53K
Change %
+2.08%
Filing
Mar 31, 2026

Increased

NEW YORK STATE COMMON RETIREMENT FUND

Rank #59

0.12%

Shares
1.15M
Change
+6.20K
Change %
+54.00%
Filing
Mar 31, 2026

Increased

LONDON & CAPITAL ASSET MANAGEMENT LTD

Rank #60

0.12%

Shares
1.12M
Change
-36.13K
Change %
-3.14%
Filing
Mar 31, 2026

Decreased

PNC FINANCIAL SERVICES GROUP

Rank #61

0.12%

Shares
1.11M
Change
-8.39K
Change %
-75.00%
Filing
Mar 31, 2026

Decreased

PRINCIPAL FINANCIAL GROUP INC

Rank #62

0.11%

Shares
1.07M
Change
-7.37K
Change %
-69.00%
Filing
Mar 31, 2026

Decreased

ENVESTNET ASSET MANAGEMENT INC

Rank #63

0.11%

Shares
1.06M
Change
-186.77K
Change %
-14.98%
Filing
Mar 31, 2026

Decreased

WAVERTON INVESTMENT MANAGEMENT LTD

Rank #64

0.11%

Shares
993.74K
Change
+32.07K
Change %
+3.33%
Filing
Sep 30, 2025

Increased

CANADA LIFE ASSURANCE CO

Rank #65

0.10%

Shares
954.33K
Change
+17.01K
Change %
+1.81%
Filing
Mar 31, 2026

Increased

ADAGE CAPITAL PARTNERS GP

Rank #66

0.10%

Shares
937.39K
Change
+53.50K
Change %
+6.05%
Filing
Mar 31, 2026

Increased

KBC GROUP NV

Rank #67

0.10%

Shares
925.68K
Change
+65.48K
Change %
+7.61%
Filing
Mar 31, 2026

Increased

SWEDBANK AB

Rank #68

0.10%

Shares
889.98K
Change
-61.11K
Change %
-6.42%
Filing
Mar 31, 2026

Decreased

SCHRODER INVESTMENT MANAGEMENT GROUP

Rank #69

0.09%

Shares
879.30K
Change
+46.99K
Change %
+5.64%
Filing
Mar 31, 2026

Increased

PROSHARE ADVISORS LLC

Rank #70

0.09%

Shares
863.36K
Change
-39.94K
Change %
-4.42%
Filing
Mar 31, 2026

Decreased

MIRAE ASSET GLOBAL ETFS HOLDINGS LTD.

Rank #71

0.09%

Shares
860.85K
Change
+24.05K
Change %
+2.87%
Filing
Mar 31, 2026

Increased

MACKENZIE FINANCIAL CORP

Rank #72

0.09%

Shares
853.98K
Change
-203.76K
Change %
-19.26%
Filing
Mar 31, 2026

Decreased

THRIVENT FINANCIAL FOR LUTHERANS

Rank #73

0.09%

Shares
830.19K
Change
+100.18K
Change %
+13.72%
Filing
Mar 31, 2026

Increased

STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM

Rank #74

0.09%

Shares
815.38K
Change
-8.02K
Change %
-97.00%
Filing
Mar 31, 2026

Decreased

AVIVA PLC

Rank #75

0.09%

Shares
801.60K
Change
+22.95K
Change %
+2.95%
Filing
Mar 31, 2026

Increased

CIBC BANCORP USA INC.

Rank #76

0.08%

Shares
783.80K
Change
+646.46K
Change %
+470.70%
Filing
Mar 31, 2026

Increased

UNIVERSAL- BETEILIGUNGS- UND SERVICEGESELLSCHAFT MBH

Rank #77

0.08%

Shares
771.06K
Change
+18.39K
Change %
+2.44%
Filing
Mar 31, 2026

Increased

BESSEMER GROUP INC

Rank #78

0.08%

Shares
770.25K
Change
-70.16K
Change %
-8.35%
Filing
Mar 31, 2026

Decreased

PICTET ASSET MANAGEMENT HOLDING SA

Rank #79

0.08%

Shares
761.18K
Change
+120.69K
Change %
+18.84%
Filing
Mar 31, 2026

Increased

NEUBERGER BERMAN GROUP LLC

Rank #80

0.08%

Shares
734.59K
Change
-288.09K
Change %
-28.17%
Filing
Mar 31, 2026

Decreased

Showing 80 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

SaleOpen-market or direct sale reported on Form 4.
Shares
400
% company
<0.01%
Price
Not reported
Value
Not reported

Filed Jun 4, 2026

ZOLLAR, ALFRED W

Director

PurchaseOpen-market or direct purchase reported on Form 4.
Shares
377
% company
<0.01%
Price
$242.39
Value
$91,381

Filed Mar 31, 2026

BUBERL, THOMAS

Director

PurchaseOpen-market or direct purchase reported on Form 4.
Shares
377
% company
<0.01%
Price
$242.39
Value
$91,381

Filed Mar 31, 2026

WADDELL, FREDERICK H

Director

PurchaseOpen-market or direct purchase reported on Form 4.
Shares
403
% company
<0.01%
Price
$242.39
Value
$97,683

Filed Mar 31, 2026

VOSER, PETER R.

Director

PurchaseOpen-market or direct purchase reported on Form 4.
Shares
413
% company
<0.01%
Price
$242.39
Value
$100,107

Filed Mar 31, 2026

MIEBACH, MICHAEL

Director

PurchaseOpen-market or direct purchase reported on Form 4.
Shares
377
% company
<0.01%
Price
$242.39
Value
$91,381

Filed Mar 31, 2026

MCNABB, FREDERICK WILLIAM III

Director

PurchaseOpen-market or direct purchase reported on Form 4.
Shares
377
% company
<0.01%
Price
$242.39
Value
$91,381

Filed Mar 31, 2026

POLLACK, MARTHA E

Director

PurchaseOpen-market or direct purchase reported on Form 4.
Shares
243
% company
<0.01%
Price
$242.39
Value
$58,901

Filed Mar 31, 2026

HOWARD, MICHELLE J

Director

PurchaseOpen-market or direct purchase reported on Form 4.
Shares
264
% company
<0.01%
Price
$242.39
Value
$63,991

Filed Mar 31, 2026

GORSKY, ALEX

Director

PurchaseOpen-market or direct purchase reported on Form 4.
Shares
444
% company
<0.01%
Price
$242.39
Value
$107,621

Filed Mar 31, 2026

BROWN, MARIANNE CATHERINE

Director

PurchaseOpen-market or direct purchase reported on Form 4.
Shares
377
% company
<0.01%
Price
$242.39
Value
$91,381

Filed Mar 31, 2026

LAGUARTA, RAMON

Director

PurchaseOpen-market or direct purchase reported on Form 4.
Shares
126
% company
<0.01%
Price
$242.39
Value
$30,541

Filed 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.