Blackrock Inc.
Rank #1
8.50%
- Shares
- 30.02M
- Change %
- -0.17%
- Filing
- Jun 30, 2026
Decreased
Methodology published · Market data, model notes, and corrections process are public · Data policy · Corrections policy
Holders
Intuitive Surgical (ISRG) Institutional Ownership & Insider Trading History
Top ISRG institutional shareholders, filing changes, and Form 4 insider activity with filters for buys, sales, option exercises, gifts, and tax withholding.
Section freshness
Prices as of Sep 8, 11:54 AM EDT · Fundamentals checked Sep 8, 11:40 AM EDT · Statements Jun 30, 2026
Ownership read
ISRG insider sentiment: Net selling.
Blackrock Inc. is the largest institutional holder. 51 sales and 0 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
ISRG
Purchases0
Sales228.47K
Directional bars ignore awards, gifts, conversions, and tax withholding rows.
Top holder
30.02M
Blackrock Inc.
Insider stance
Net selling
$119.29M sold / $0.0000 bought
Latest filing
Aug 21, 2026
Most recent holder or insider filing date
Filings shown
150
30 holder / 120 insider
- Holder rows
- 30
- Market data source
- Latest filing
- Aug 21, 2026
- Most recent holder or insider filing date
- Increased / initiated
- 13
- 6 decreased
- Insider rows
- 120
- Market data source
Top 30 institutional holders
Intuitive Surgical (ISRG) institutional ownership
Ranked by reported share count, with position changes and latest filing dates where ownership data supplies them.
Vanguard Capital Management LLC
Rank #2
6.55%
- Shares
- 23.13M
- Change %
- +0.22%
- Filing
- Jun 30, 2026
Increased
State Street Corporation
Rank #3
4.55%
- Shares
- 16.06M
- Change %
- +1.36%
- Filing
- Jun 30, 2026
Increased
Invesco Ltd.
Rank #4
3.35%
- Shares
- 11.84M
- Change %
- +5.84%
- Filing
- Jun 30, 2026
Increased
Price (T.Rowe) Associates Inc
Rank #5
3.19%
- Shares
- 11.26M
- Change %
- -10.09%
- Filing
- Jun 30, 2026
Decreased
Geode Capital Management, LLC
Rank #6
2.42%
- Shares
- 8.53M
- Change %
- +0.80%
- Filing
- Jun 30, 2026
Increased
Capital World Investors
Rank #7
2.19%
- Shares
- 7.74M
- Change %
- -3.79%
- Filing
- Jun 30, 2026
Decreased
Vanguard Portfolio Management LLC
Rank #8
2.05%
- Shares
- 7.24M
- Change %
- +0.13%
- Filing
- Jun 30, 2026
Increased
Morgan Stanley
Rank #9
1.86%
- Shares
- 6.56M
- Change %
- +8.29%
- Filing
- Jun 30, 2026
Increased
NORGES BANK
Rank #10
1.40%
- Shares
- 4.95M
- Change %
- -1.78%
- Filing
- Jun 30, 2026
Decreased
VANGUARD INDEX FUNDS-Vanguard Total Stock Market Index Fund
Rank #11
3.18%
- Shares
- 11.24M
- Change %
- -0.30%
- Filing
- Jun 30, 2026
Decreased
VANGUARD INDEX FUNDS-Vanguard 500 Index Fund
Rank #12
2.60%
- Shares
- 9.18M
- Change %
- +1.67%
- Filing
- Jun 30, 2026
Increased
Invesco QQQ Trust, Series 1
Rank #13
2.08%
- Shares
- 7.33M
- Change %
- -2.44%
- Filing
- Jul 31, 2026
Decreased
iShares Trust-iShares Core S&P 500 ETF
Rank #14
1.38%
- Shares
- 4.87M
- Change %
- +4.13%
- Filing
- Jun 30, 2026
Increased
Fidelity Concord Street Trust-Fidelity 500 Index Fund
Rank #15
1.30%
- Shares
- 4.58M
- Change %
- +0.80%
- Filing
- Jul 31, 2026
Increased
SPDR S&P 500 ETF TRUST-State Street SPDR S&P 500 ETF Trust
Rank #16
1.23%
- Shares
- 4.35M
- Change %
- +1.47%
- Filing
- Jul 31, 2026
Increased
VANGUARD INDEX FUNDS-Vanguard Growth Index Fund
Rank #17
1.09%
- Shares
- 3.85M
- Change %
- +0.17%
- Filing
- Jun 30, 2026
Increased
Growth Fund of America
Rank #18
0.86%
- Shares
- 3.05M
- Change %
- +10.91%
- Filing
- Jun 30, 2026
Increased
SELECT SECTOR SPDR TRT-State Street Health Care Select Sector SPDR ETF
Rank #19
0.71%
- Shares
- 2.52M
- Change %
- +0.78%
- Filing
- Jul 31, 2026
Increased
NEW PERSPECTIVE FUND
Rank #20
0.65%
- Shares
- 2.31M
- Change %
- 0.00%
- Filing
- Jun 30, 2026
Unchanged
| # | Institution | % held | Shares | Filing date |
|---|---|---|---|---|
| 1 | 8.50% | 30.02M | Jun 30, 2026 | |
| 2 | 6.55% | 23.13M | Jun 30, 2026 | |
| 3 | 4.55% | 16.06M | Jun 30, 2026 | |
| 4 | 3.35% | 11.84M | Jun 30, 2026 | |
| 5 | 3.19% | 11.26M | Jun 30, 2026 | |
| 6 | 2.42% | 8.53M | Jun 30, 2026 | |
| 7 | 2.19% | 7.74M | Jun 30, 2026 | |
| 8 | 2.05% | 7.24M | Jun 30, 2026 | |
| 9 | 1.86% | 6.56M | Jun 30, 2026 | |
| 10 | 1.40% | 4.95M | Jun 30, 2026 | |
| 11 | 3.18% | 11.24M | Jun 30, 2026 | |
| 12 | 2.60% | 9.18M | Jun 30, 2026 | |
| 13 | 2.08% | 7.33M | Jul 31, 2026 | |
| 14 | iShares Trust-iShares Core S&P 500 ETF | 1.38% | 4.87M | Jun 30, 2026 |
| 15 | 1.30% | 4.58M | Jul 31, 2026 | |
| 16 | 1.23% | 4.35M | Jul 31, 2026 | |
| 17 | 1.09% | 3.85M | Jun 30, 2026 | |
| 18 | Growth Fund of America | 0.86% | 3.05M | Jun 30, 2026 |
| 19 | 0.71% | 2.52M | Jul 31, 2026 | |
| 20 | NEW PERSPECTIVE FUND | 0.65% | 2.31M | Jun 30, 2026 |
Showing 20 of 30 matching institutional rows.
Recent insider transactions
Intuitive Surgical (ISRG) Form 4 filings
Action codes are translated so open-market buys and sales are separate from awards, gifts, conversions, and tax withholding.
BROSIUS MARK PRESTON
Officer
- Shares
- 154
- % company
- <0.01%
- Price
- $385.97
- Value
- $59,439
Filed Aug 21, 2026
BROSIUS MARK PRESTON
Officer
- Shares
- 231
- % company
- <0.01%
- Price
- $392.98
- Value
- $90,778
Filed Aug 19, 2026
LADD AMY L
Director
- Shares
- 472
- % company
- <0.01%
- Price
- $381.15
- Value
- $179,903
Filed Aug 11, 2026
GUTHART GARY S
Director
- Shares
- 10.00K
- % company
- <0.01%
- Price
- $400.00
- Value
- $4,000,000
Filed Aug 11, 2026
LOEB GARY
Officer
- Shares
- 400
- % company
- <0.01%
- Price
- $379.00
- Value
- $151,600
Filed Aug 10, 2026
BROSIUS MARK PRESTON
Officer
- Shares
- 56
- % company
- <0.01%
- Price
- $348.91
- Value
- $19,539
Filed Jul 31, 2026
BROSIUS MARK PRESTON
Officer
- Shares
- 84
- % company
- <0.01%
- Price
- $356.60
- Value
- $29,954
Filed Jul 29, 2026
ROSA DAVID J
Chief Executive Officer
- Shares
- 1.91K
- % company
- <0.01%
Filed Jul 10, 2026
BROSIUS MARK PRESTON
Officer
- Shares
- 48
- % company
- <0.01%
- Price
- $413.19
- Value
- $19,833
Filed Jun 12, 2026
BROSIUS MARK PRESTON
Officer
- Shares
- 69
- % company
- <0.01%
- Price
- $421.80
- Value
- $29,104
Filed Jun 10, 2026
LOEB GARY
Officer
- Shares
- 400
- % company
- <0.01%
- Price
- $424.14
- Value
- $169,656
Filed Jun 10, 2026
ROSA DAVID J
Chief Executive Officer
- Shares
- 1.36K
- % company
- <0.01%
Filed Jun 10, 2026
| # | Insider | % company | Action | Shares | Filing date |
|---|---|---|---|---|---|
| 1 | BROSIUS MARK PRESTON Officer | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 154 | Aug 21, 2026 |
| 2 | BROSIUS MARK PRESTON Officer | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 231 | Aug 19, 2026 |
| 3 | LADD AMY L Director | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 472 | Aug 11, 2026 |
| 4 | GUTHART GARY S Director | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 10.00K | Aug 11, 2026 |
| 5 | LOEB GARY Officer | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 400 | Aug 10, 2026 |
| 6 | BROSIUS MARK PRESTON Officer | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 56 | Jul 31, 2026 |
| 7 | BROSIUS MARK PRESTON Officer | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 84 | Jul 29, 2026 |
| 8 | ROSA DAVID J Chief Executive Officer | <0.01% | OtherProvider-supplied Form 4 action code. Review the original filing before making a trading judgment. | 1.91K | Jul 10, 2026 |
| 9 | BROSIUS MARK PRESTON Officer | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 48 | Jun 12, 2026 |
| 10 | BROSIUS MARK PRESTON Officer | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 69 | Jun 10, 2026 |
| 11 | LOEB GARY Officer | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 400 | Jun 10, 2026 |
| 12 | ROSA DAVID J Chief Executive Officer | <0.01% | OtherProvider-supplied Form 4 action code. Review the original filing before making a trading judgment. | 1.36K | Jun 10, 2026 |
Showing 12 of 120 matching Form 4 rows. Percent of company uses current shares outstanding.
Frequently asked
Common questions.
Who are the largest ISRG shareholders?
Blackrock Inc. is the largest reported institutional holder of ISRG, with 30.02 million shares, or about 8.50% of shares outstanding.
What does the institutional filing activity show for ISRG?
Intuitive Surgical has 30 institutional rows on file: 13 increased or initiated positions and 6 reduced them as of Aug 11, 2026.
What insider transactions are available for ISRG?
TECHi shows 120 dated ISRG insider transactions through Aug 21, 2026, with transaction types kept separate so administrative actions are not presented as open-market trades.
Are ISRG insiders buying or selling?
The displayed ISRG activity reads Net selling: 51 sales and 0 purchases. Other transaction types remain separate.
Who is the most active reported ISRG insider?
GUTHART GARY S has the largest absolute share movement in the displayed ISRG filing rows, totaling 313,018 shares. The action labels provide the transaction context.