VANGUARD GROUP INC
Rank #1
9.44%
- Shares
- 33.61M
- Change
- +13.64K
- Change %
- +4.00%
- Filing
- Dec 31, 2025
Increased
Methodology published · Market data, model notes, and corrections process are public · Data policy · Corrections policy
NASDAQ · HEALTHCARE · Holders
Intuitive Surgical Inc (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.
Ownership read
ISRG insider sentiment: Net selling.
VANGUARD GROUP INC is the largest loaded institutional holder. 75 sale rows and 0 purchase rows are visible in the loaded Form 4 history. Use the filters below to separate real buying and selling from option exercises, gifts, awards, and tax withholding.
Insider flow
ISRG
Purchases—
Sales195.60K
Directional bars ignore awards, gifts, conversions, and tax withholding rows.
Top holder
33.61M
VANGUARD GROUP INC
Insider stance
Net selling
$35.23M sold / — bought
Latest filing
May 22, 2026
Most recent holder or insider filing date
Rows loaded
240
120 holder / 120 insider
- Holder rows
- 120
- Market data feed
- Latest filing
- May 22, 2026
- Most recent holder or insider filing date
- Increased / initiated
- 66
- 53 decreased in loaded rows
- Insider rows
- 120
- Market data feed
Top 120 institutional holders
Intuitive Surgical Inc (ISRG) institutional ownership
Ranked by reported share count, with position changes and latest filing dates where the ownership feed supplies them.
BLACKROCK
Rank #2
8.45%
- Shares
- 30.08M
- Change
- -440.25K
- Change %
- -1.44%
- Filing
- Mar 31, 2026
Decreased
VANGUARD CAPITAL MANAGEMENT LLC
Rank #3
6.48%
- Shares
- 23.08M
- Change
- +23.08M
- Change %
- —
- Filing
- Mar 31, 2026
Initiated
STATE STREET CORP
Rank #4
4.45%
- Shares
- 15.85M
- Change
- +145.38K
- Change %
- +93.00%
- Filing
- Mar 31, 2026
Increased
PRICE T ROWE ASSOCIATES INC
Rank #5
3.52%
- Shares
- 12.52M
- Change
- -34.76K
- Change %
- -28.00%
- Filing
- Mar 31, 2026
Decreased
GEODE CAPITAL MANAGEMENT
Rank #6
2.38%
- Shares
- 8.47M
- Change
- +241.16K
- Change %
- +2.93%
- Filing
- Mar 31, 2026
Increased
CAPITAL WORLD INVESTORS
Rank #7
2.26%
- Shares
- 8.05M
- Change
- +191.99K
- Change %
- +2.44%
- Filing
- Mar 31, 2026
Increased
VANGUARD PORTFOLIO MANAGEMENT LLC
Rank #8
2.03%
- Shares
- 7.23M
- Change
- +7.23M
- Change %
- —
- Filing
- Mar 31, 2026
Initiated
MORGAN STANLEY
Rank #9
1.70%
- Shares
- 6.06M
- Change
- +317.81K
- Change %
- +5.54%
- Filing
- Mar 31, 2026
Increased
FMR LLC
Rank #10
1.54%
- Shares
- 5.48M
- Change
- -1.10M
- Change %
- -16.73%
- Filing
- Mar 31, 2026
Decreased
NORGES BANK
Rank #11
1.42%
- Shares
- 5.04M
- Change
- +316.44K
- Change %
- +6.69%
- Filing
- Dec 31, 2025
Increased
JPMORGAN CHASE & CO
Rank #12
1.29%
- Shares
- 4.59M
- Change
- +513.01K
- Change %
- +12.57%
- Filing
- Mar 31, 2026
Increased
WELLINGTON MANAGEMENT GROUP LLP
Rank #13
1.11%
- Shares
- 3.96M
- Change
- +513.41K
- Change %
- +14.90%
- Filing
- Mar 31, 2026
Increased
FISHER ASSET MANAGEMENT
Rank #14
1.08%
- Shares
- 3.85M
- Change
- +67.97K
- Change %
- +1.80%
- Filing
- Mar 31, 2026
Increased
ALLIANCEBERNSTEIN L.P.
Rank #15
1.07%
- Shares
- 3.81M
- Change
- +92.13K
- Change %
- +2.48%
- Filing
- Mar 31, 2026
Increased
INVESCO LTD.
Rank #16
1.05%
- Shares
- 3.74M
- Change
- -391.31K
- Change %
- -9.48%
- Filing
- Mar 31, 2026
Decreased
BANK OF AMERICA CORP
Rank #17
1.02%
- Shares
- 3.62M
- Change
- +116.29K
- Change %
- +3.32%
- Filing
- Mar 31, 2026
Increased
BANK OF NEW YORK MELLON CORP
Rank #18
1.00%
- Shares
- 3.55M
- Change
- -369.85K
- Change %
- -9.43%
- Filing
- Mar 31, 2026
Decreased
NORTHERN TRUST CORP
Rank #19
0.98%
- Shares
- 3.50M
- Change
- -22.28K
- Change %
- -63.00%
- Filing
- Mar 31, 2026
Decreased
UBS AM
Rank #20
0.93%
- Shares
- 3.32M
- Change
- +377.80K
- Change %
- +12.86%
- Filing
- Mar 31, 2026
Increased
| # | Institution | % held | Shares | Change | Change % | Filing date |
|---|---|---|---|---|---|---|
| 1 | 9.44% | 33.61M | +13.64K Increased | +4.00% | Dec 31, 2025 | |
| 2 | 8.45% | 30.08M | -440.25K Decreased | -1.44% | Mar 31, 2026 | |
| 3 | 6.48% | 23.08M | +23.08M Initiated | — | Mar 31, 2026 | |
| 4 | 4.45% | 15.85M | +145.38K Increased | +93.00% | Mar 31, 2026 | |
| 5 | 3.52% | 12.52M | -34.76K Decreased | -28.00% | Mar 31, 2026 | |
| 6 | 2.38% | 8.47M | +241.16K Increased | +2.93% | Mar 31, 2026 | |
| 7 | 2.26% | 8.05M | +191.99K Increased | +2.44% | Mar 31, 2026 | |
| 8 | 2.03% | 7.23M | +7.23M Initiated | — | Mar 31, 2026 | |
| 9 | 1.70% | 6.06M | +317.81K Increased | +5.54% | Mar 31, 2026 | |
| 10 | 1.54% | 5.48M | -1.10M Decreased | -16.73% | Mar 31, 2026 | |
| 11 | 1.42% | 5.04M | +316.44K Increased | +6.69% | Dec 31, 2025 | |
| 12 | 1.29% | 4.59M | +513.01K Increased | +12.57% | Mar 31, 2026 | |
| 13 | 1.11% | 3.96M | +513.41K Increased | +14.90% | Mar 31, 2026 | |
| 14 | FISHER ASSET MANAGEMENT | 1.08% | 3.85M | +67.97K Increased | +1.80% | Mar 31, 2026 |
| 15 | 1.07% | 3.81M | +92.13K Increased | +2.48% | Mar 31, 2026 | |
| 16 | 1.05% | 3.74M | -391.31K Decreased | -9.48% | Mar 31, 2026 | |
| 17 | 1.02% | 3.62M | +116.29K Increased | +3.32% | Mar 31, 2026 | |
| 18 | BANK OF NEW YORK MELLON CORP | 1.00% | 3.55M | -369.85K Decreased | -9.43% | Mar 31, 2026 |
| 19 | 0.98% | 3.50M | -22.28K Decreased | -63.00% | Mar 31, 2026 | |
| 20 | 0.93% | 3.32M | +377.80K Increased | +12.86% | Mar 31, 2026 |
Showing 20 of 120 matching institutional rows.Load more institutions
Recent insider transactions
Intuitive Surgical Inc (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
EVP & Chief Mfg and Supply Cha
- Shares
- 18
- % company
- <0.01%
- Price
- $439.80
- Value
- $7,916
Filed May 22, 2026
BROSIUS, MARK
EVP & Chief Mfg and Supply Cha
- Shares
- 18
- % company
- <0.01%
- Price
- $446.04
- Value
- $8,029
Filed May 21, 2026
BROSIUS, MARK
EVP & Chief Mfg and Supply Cha
- Shares
- 18
- % company
- <0.01%
- Price
- $440.38
- Value
- $7,927
Filed May 20, 2026
BROSIUS, MARK
EVP & Chief Mfg and Supply Cha
- Shares
- 18
- % company
- <0.01%
- Price
- $440.70
- Value
- $7,933
Filed May 19, 2026
BROSIUS, MARK
EVP & Chief Mfg and Supply Cha
- Shares
- 18
- % company
- <0.01%
- Price
- $422.47
- Value
- $7,604
Filed May 18, 2026
LOEB, GARY
EVP & Chief Legal and Complian
- Shares
- 400
- % company
- <0.01%
- Price
- $446.95
- Value
- $178,780
Filed May 11, 2026
LEONARD, KEITH R
Director
- Shares
- 531
- % company
- <0.01%
- Price
- No cash value
- Value
- No cash value
Filed Apr 30, 2026
LEONARD, KEITH R
Director
- Shares
- 531
- % company
- <0.01%
- Price
- Not reported
- Value
- Not reported
Filed Apr 30, 2026
LEONARD, KEITH R
Director
- Shares
- 554
- % company
- <0.01%
- Price
- No cash value
- Value
- No cash value
Filed Apr 30, 2026
LADD, AMY L
Director
- Shares
- 531
- % company
- <0.01%
- Price
- No cash value
- Value
- No cash value
Filed Apr 30, 2026
REED, MONICA P
Director
- Shares
- 531
- % company
- <0.01%
- Price
- No cash value
- Value
- No cash value
Filed Apr 30, 2026
JOHNSON, AMAL M
Director
- Shares
- 531
- % company
- <0.01%
- Price
- Not reported
- Value
- Not reported
Filed Apr 30, 2026
| # | Insider | % company | Action | Shares | Price | Value | Filing date |
|---|---|---|---|---|---|---|---|
| 1 | BROSIUS, MARK EVP & Chief Mfg and Supply Cha | <0.01% | Sale to issuer | 18 | $439.80 | $7,916 | May 22, 2026 |
| 2 | BROSIUS, MARK EVP & Chief Mfg and Supply Cha | <0.01% | Sale to issuer | 18 | $446.04 | $8,029 | May 21, 2026 |
| 3 | BROSIUS, MARK EVP & Chief Mfg and Supply Cha | <0.01% | Sale to issuer | 18 | $440.38 | $7,927 | May 20, 2026 |
| 4 | BROSIUS, MARK EVP & Chief Mfg and Supply Cha | <0.01% | Sale to issuer | 18 | $440.70 | $7,933 | May 19, 2026 |
| 5 | BROSIUS, MARK EVP & Chief Mfg and Supply Cha | <0.01% | Sale to issuer | 18 | $422.47 | $7,604 | May 18, 2026 |
| 6 | LOEB, GARY EVP & Chief Legal and Complian | <0.01% | Sale to issuer | 400 | $446.95 | $178,780 | May 11, 2026 |
| 7 | LEONARD, KEITH R Director | <0.01% | Award / grant | 531 | No cash value | No cash value | Apr 30, 2026 |
| 8 | LEONARD, KEITH R Director | <0.01% | Sale to issuer | 531 | Not reported | Not reported | Apr 30, 2026 |
| 9 | LEONARD, KEITH R Director | <0.01% | Award / grant | 554 | No cash value | No cash value | Apr 30, 2026 |
| 10 | LADD, AMY L Director | <0.01% | Award / grant | 531 | No cash value | No cash value | Apr 30, 2026 |
| 11 | REED, MONICA P Director | <0.01% | Award / grant | 531 | No cash value | No cash value | Apr 30, 2026 |
| 12 | JOHNSON, AMAL M Director | <0.01% | Sale to issuer | 531 | Not reported | Not reported | Apr 30, 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 ISRG shareholders?
VANGUARD GROUP INC is the largest institutional holder in the loaded ISRG ownership feed, with 33.61 million shares, or about 9.44% of shares outstanding. The table ranks additional institutions by reported share count.
What is institutional ownership of ISRG?
The current TECHi snapshot has 120 loaded institutional rows for Intuitive Surgical Inc. 66 rows are marked increased or initiated, while 53 rows are marked decreased, with the latest holder filing dated Mar 31, 2026.
Where can I see Intuitive Surgical Inc insider transactions?
The insider transaction table currently shows 120 loaded Form 4 rows for ISRG, with the latest insider filing dated May 22, 2026. It separates purchases, sales, option exercises, awards, gifts, and tax withholding so administrative transactions are not confused with open-market trades.
Are ISRG insiders buying or selling?
The loaded ISRG Form 4 rows currently read Net selling: 75 sale rows and 0 purchase rows. Awards, gifts, conversions, and tax withholding are shown separately because they do not carry the same signal as open-market buying or selling.
Who is the most active ISRG insider in the loaded filings?
GUTHART, GARY S is the most active insider by absolute share movement in the loaded ISRG rows, with 89,707 shares moving across the visible filing history. Review the action labels before treating that activity as buying or selling.