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Calamos Advisors LLC

Position in ISRG — Intuitive Surgical Inc

CIK 1316507 NAPERVILLE, IL

Position in ISRG

as of Mar 31, 2026 · filed May 4, 2026
Position Value
$76,448,276
-$427,731 QoQ
Shares Held
165,835
+22.2% QoQ
Ownership
0.047%
of shares outstanding
% of Portfolio
0.44%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority Sole 99% Shared 0% None 1%

Common Shares in ISRG Over Time

Shares Held

Position Value (USD)

Position in Medical Instruments & Supplies

Healthcare · as of Mar 31, 2026

Calamos Advisors LLC holds $91,267,066 across 8 Medical Instruments & Supplies names. ISRG ranks #1 (83.8% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 ISRG
Intuitive Surgical Inc
This page
165,835 $76,448,276

All Filings in ISRG

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25 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $76,448,276 165,835
2025-12-31 $76,876,007 135,737
2025-09-30 $50,599,602 113,140
2025-06-30 $68,633,769 126,302
2025-03-31 $56,046,734 113,164
2024-12-31 $58,574,351 112,220
2024-09-30 $56,727,929 115,472
2024-06-30 $55,339,340 124,400
2024-03-31 $50,906,324 127,556
2023-12-31 $41,531,714 123,108
2023-09-30 $26,849,467 91,859
2023-06-30 $31,385,988 91,788
2023-03-31 $23,449,080 91,788
2022-12-31 $27,412,247 103,306
2022-09-30 $22,785,956 121,564
2022-06-30 $30,719,869 153,056
2022-03-31 $45,180,501 149,763
2021-12-31 $48,163,087 134,047
2021-09-30 $43,119,263 43,373
2021-06-30 $37,222,433 40,475
2021-03-31 $24,854,982 33,636
2020-12-31 $27,607,602 33,746
2020-09-30 $24,662,187 34,758
2020-06-30 $26,611,056 46,700
2020-03-31 $26,324,373 53,158