Skip to content
KStart free
AI InfrastructureDefenseQuantumAll studies →

ALGN vs ISRG

Align Technology Inc (ALGN) and Intuitive Surgical Inc (ISRG) are both filed with the SEC under Orthopedic, Prosthetic & Surgical Appliances & Supplies. ISRG is 11.5× ALGN's size by market cap ($129.7B against $11.3B); ISRG trades at the higher fiscal-year P/E (46.6× against 28.1×); ISRG reports the higher net margin (26.1% against 10.1%); ISRG grew sales faster over three years (+18.4% against +2.7%); and over the past year ALGN returned +11.7% against ISRG's -21.4%.

ALGNISRG
Last close$157.58$372.60
Market cap$11.3B$129.7B
P/E (FY)28.1×46.6×
P/S2.8×11.9×
Gross margin66.7%60.7%
Operating margin13.4%26.9%
Net margin10.1%26.1%
Return on equity10.4%16.7%
Sales growth (3y)+2.7%+18.4%
EPS growth (3y)+7.0%+29.2%
1-year return+11.7%-21.4%

Screener snapshot — prices as of 2026-08-28. Each side's last close is the most recent session the snapshot holds for that company, which can be an earlier one, and its 1-year return is measured to that close. Market caps struck on 2026-08-27. Last close, market cap and the 1-year return are price figures; every other row is computed over the company's latest filed fiscal year — FY2025 (ended 2025-12-31) for both.

Who holds them, and who has traded them

ALGNISRG
Institutional holders (13F)6872,290
Insider buyers − sellers (180d)-5
Congressional trades disclosed (180d)01
Executive-branch officials on file — trades disclosed (180d)116

Counts only. The congressional figures count transactions dated in the trailing 180 days and disclosed in STOCK Act periodic transaction reports; amounts are filed as ranges and are never summed. The executive-branch figures count the same window of transactions, and they are scoped to one roster. The officials OGE posts for direct download. Insider buyers − sellers counts distinct people filing open-market Form 4 purchases minus distinct people filing open-market sales over the trailing 180 days, capped at ±5. — no open-market Form 4 purchases or sales in the window.

ALGN vs ISRG: common questions

Is ALGN bigger than ISRG?
ISRG carries the larger market cap — $129.7B against $11.3B, both struck on 2026-08-27.
Which trades at a higher P/E, ALGN or ISRG?
ISRG, at a fiscal-year 46.6× against 28.1× for ALGN. Both are price ÷ latest full-year diluted earnings per share, not a trailing-twelve-month P/E.
How have ALGN and ISRG performed over the past year?
ALGN returned +11.7% and ISRG -21.4%, measured on the trailing calendar year to the last close.
How many institutions hold ALGN and ISRG?
687 13F filers report a position in ALGN and 2,290 in ISRG, on the latest quarter in the panel.
Are ALGN and ISRG in the same industry?
Both are filed with the SEC under Orthopedic, Prosthetic & Surgical Appliances & Supplies, which is the classification this pairing is built on.

ALGN overview · ISRG overview · ALGN institutional ownership · ISRG institutional ownership · Congress and ISRG · Executive branch and ALGN · Executive branch and ISRG

More in Orthopedic, Prosthetic & Surgical Appliances & Supplies: ALGN vs EW · ALGN vs STE · ALGN vs ZBH · EW vs ISRG

Stock comparisons lists every pair this site publishes.

Source: SPZCO — https://spzco.com/vs/algn-vs-isrg