$IBM

$253.42 -$0.14 (0.06%) Live

$IBM Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 945.1M shares outstanding

Who owns IBM?

By type of holder

Institutions 64.8% Insiders 0.1% Everyone else 35.1%

Concentration Top 10 holders own 33.6%

BlackRock, Inc. 8.1% · Vanguard Capital Management LLC 6.5%

Institutional ownership

64.8%

+2.0 pts vs last qtr

Institutional holders

3,638

+139 vs last qtr

Net shares bought

+18.6M

by institutions in Q2 2026

New / sold out

341 / 202

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Norges Bank NEW +8.4M
Wellington Management Group LLP +6.3M

Biggest sellers in Q2 2026

Jpmorgan Chase & Co −6.1M
Morgan Stanley −2.2M

Who is planning to sell?

Notices of proposed sale, last 12 months

$5.76M

1 notice from 1 person

Shares covered

25.0K

0.00% of the company

Arranged in advance

of the value is under a 10b5-1 plan

Under a 10b5-1 plan No plan

Largest proposed sellers

Robert Thomas Officer $5.76M

Every notice on Red Flags →

A Form 144 is notice of a planned sale, not the sale itself. What insiders actually sold is on Insider Transactions.

Is your stake being diluted?

Diluted share count, FY2016–FY2025

−1.0%

−0.12% a year

Each share's claim on the business

+1.1%

grew without buying or selling a share

Spent on buybacks vs paid in stock

$13.6B vs $9.33B

over 10 fiscal years

Diluted shares, split-adjusted

Buybacks Stock-based comp

How patient are the owners?

Institutional shares by how long they've been held

5+ years87% 3–5 years2% 1–3 years7% Under 1 year4%

Quarterly turnover

6.4%

of institutional shares changed hands

Top 10 managers, median time held

5 years

Super Investors

Investment managers reporting IBM on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
B BlackRock, Inc.	76.8M	8.12%	−802.5K (−1.0%)	≤2021	0.3%
Shares held by quarter Peak holding79.9M (Q1'25) Change over 8 quarters−778.5K Share of the company8.120% BlackRock, Inc.'s full portfolio →
VC Vanguard Capital Management LLC	61.4M	6.49%	+539.8K (+0.9%)	≤2021	0.4%
Shares held by quarter Peak holding61.4M (Q2'26) Change over 8 quarters+61.4M Share of the company6.490% Vanguard Capital Management LLC's full portfolio →

BlackRock, Inc.

76.8M

% of company

8.12%

Change vs last qtr

−802.5K (−1.0%)

Held since

≤2021

Vanguard Capital Management LLC

61.4M

% of company

6.49%

Change vs last qtr

+539.8K (+0.9%)

Held since

≤2021

28 more super investors behind a free account

See every manager holding International Business Machines Corp, how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting IBM on Form N-PORT; together they hold 25.5% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
VT Vanguard Total Stock Market Index Fund Vanguard Index Funds	$8.39B	29.8M	3.16%	0.37%	June 30, 2026
V5 Vanguard 500 Index Fund Vanguard Index Funds	$6.85B	24.4M	2.58%	0.41%	June 30, 2026

Vanguard Total Stock Market Index Fund

Vanguard Index Funds

Position value

$8.39B

% of company

3.16%

% of the fund

0.37%

As of

June 30, 2026

Vanguard 500 Index Fund

Vanguard Index Funds

Position value

$6.85B

% of company

2.58%

% of the fund

0.41%

As of

June 30, 2026

23 more funds behind a free account

See every fund holding International Business Machines Corp and how much of the fund the position is.

Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G

Holder	Shares	% of company	Change vs last qtr	8 quarters	Held since	% of their book
KA Krishna Arvind Insider	471.9K	0.05%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.050% Krishna Arvind's insider activity →
KJ Kavanaugh James J Insider	175.4K	0.02%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.020% Kavanaugh James J's insider activity →

Krishna Arvind

Insider

471.9K

% of company

0.05%

Change vs last qtr

—

Held since

—

Kavanaugh James J

Insider

175.4K

% of company

0.02%

Change vs last qtr

—

Held since

—

9 more holders behind a free account

See every insider and 5%+ holder of International Business Machines Corp.

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