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International Business Machines Corp · 13F filings

IBM Institutional Ownership

Holdings as of Jun 30, 2026From SEC Form 13FUpdated

Who owns International Business Machines Corp and what the big funds did with it last quarter, from every SEC 13F filing. 3,648 funds reported holding IBM at Jun 30, 2026, together owning 65.3% of the company.

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Fund sentiment
Bullish
Strongly bearishNeutralStrongly bullish
  • ▲1,871 buying vs 1,353 selling
  • ▲Held by funds +2.1 pts
  • ▲Funds holding +144
  • ▲Superinvestors: 2 added, 0 cut
  • ▼Put/call 1.17 to 1.28

What the filings show, not a forecast. Positions can be up to 45 days old and leave out short sales.

Funds holding3,648+144 vs Q1 2026
Held by funds65.3%+2.1 pts
Value held$172B617M shares
Put/call ratio1.28up from 1.17

Funds holding and ownership

8 quarters
Q3 2024: 2,939 fundsQ3 '24Q4 2024: 3,148 fundsQ4 '24Q1 2025: 3,271 fundsQ1 '25Q2 2025: 3,418 fundsQ2 '25Q3 2025: 3,432 fundsQ3 '25Q4 2025: 3,716 fundsQ4 '25Q1 2026: 3,504 fundsQ1 '26Q2 2026: 3,648 fundsQ2 '2665.3% owned
Funds holdingHeld by funds %

Quarter over quarter

all 13F filers
Q2 2026This quarterQ1 2026Change
Funds holding3,6483,504+4.1%
In funds' top 105446+17.4%
13F shares617M597M+3.4%
Held by funds65.3%63.1%+2.1 pts
New positions284129+120.2%
Increased1,5871,467+8.2%
Reduced1,2141,329−8.7%
Sold out139339−59.0%
Calls (shares)4M3.3M+21.3%
Puts (shares)4.4M3.8M+17.5%
Put/call ratio1.281.17+9.6%

Buyers vs sellers

adding or new vs cutting or sold out
Q4 2024: 1,247 buyingQ4 2024: 1,259 sellingQ4 '24Q1 2025: 1,450 buyingQ1 2025: 1,388 sellingQ1 '25Q2 2025: 1,545 buyingQ2 2025: 1,367 sellingQ2 '25Q3 2025: 1,617 buyingQ3 2025: 1,305 sellingQ3 '25Q4 2025: 1,599 buyingQ4 2025: 1,383 sellingQ4 '25Q1 2026: 1,596 buyingQ1 2026: 1,668 sellingQ1 '26Q2 2026: 1,871 buyingQ2 2026: 1,353 sellingQ2 '26
Buying 1,871Selling 1,353latest quarter

Superinvestors in IBM

All superinvestors →

Who owns IBM

share of fund held shares
  • Index and passive funds47.7%
  • Active managers and hedge funds26.0%
  • Banks and brokers21.7%
  • Pensions, insurers and other4.6%

The top 10 holders own 51.4% of all IBM shares that funds reported. Groups are our own grouping of filers by name.

Put/call ratio

funds' options, market makers left out
1.00Q3 2024: 1.12Q3 '24Q4 2024: 1.27Q4 '24Q1 2025: 1.12Q1 '25Q2 2025: 0.85Q2 '25Q3 2025: 0.64Q3 '25Q4 2025: 0.98Q4 '25Q1 2026: 1.17Q1 '26Q2 2026: 1.28Q2 '261.28

Above 1 means funds hold more puts than calls, a sign of hedging or bets on a fall. Options are valued at the underlying shares.

Filed so far for Q3 2026

1,594 funds changed their position

🔒 Free account: see all 20.

Top holders

Q2 2026
#FundOf companySharesValueChange
1BlackRock, Inc.8.12%76.8M$21.6B−802K
2Vanguard Capital Management LLC6.49%61.4M$17.3B+540K
3State Street Corp5.93%56M$15.8B+1.5M
4Vanguard Portfolio Management LLC3.00%28.3M$8B+687K
5Geode Capital Management, LLC2.48%23.4M$6.6B+372K
6Morgan Stanley1.85%17.5M$4.9B−2.2M
7Capital World Investors1.71%16.2M$4.6B−855K
8Bank of America Corp /de/1.59%15M$4.2B−1.1M
9Jpmorgan Chase & Co1.32%12.4M$3.5B−6.1M
10Northern Trust Corp1.08%10.2M$2.9B−77K
🔒 15 more top holders. Create a free account or sign in to see them.
Biggest buyers
Biggest sellers

IBM institutional ownership FAQ

Who owns the most IBM stock?

In Q2 2026 13F filings the largest holder of IBM was BlackRock, Inc., followed by Vanguard Capital Management LLC and State Street Corp. Index fund managers are usually the biggest holders of large companies.

What percentage of IBM is owned by institutions?

Funds that file 13F reports held 65.3% of IBM's shares at Jun 30, 2026, compared with 63.1% a quarter earlier. That counts every manager with more than $100 million in US stocks.

Are hedge funds buying IBM?

In Q2 2026, 1,871 funds bought IBM (284 of them new positions) and 1,353 sold (139 sold out completely). Among well known investors, 2 added and 0 cut. Our fund sentiment for IBM is bullish.

What is IBM's institutional put/call ratio?

Funds reported $1.6B of IBM puts against $1.2B of calls, a put/call ratio of 1.28 (1.17 the quarter before). Market makers and bank trading desks are left out, since their options are mostly hedges.

How current is this IBM ownership data?

13F filings show holdings at the end of each quarter and are due within 45 days, so positions can be up to six weeks old when they appear. We add each new filing within minutes, and the "filed so far" list shows funds that have already reported the next quarter.

For informational and educational purposes only. Not investment advice, and not a recommendation to buy or sell any security. Fund sentiment summarises what 13F filings show and is not a forecast. Holdings come from SEC Form 13F filings as reported and show positions at the end of the quarter, up to 45 days before the filing. A 13F leaves out short positions, cash, bonds and most foreign holdings. See all hedge fund holdings.