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ALGN Institutional Ownership & 13F Holders | SmartMoneyDB

ALGNALIGN TECHNOLOGY INC

COM · CUSIP 016255101

Smart Money Ownership

Of the 15 tracked institutions holding ALGN, 9 have a 3-year clone track record — 8 of them beat the S&P. Average holder's clone alpha: +4.3pt. It's a gauge of who owns the name, not just how many.

$125.1M · 0.1% of book

ARMISTICE CAPITAL, LLC

$27.1M · 0.9% of book

+4.1pt

ALGN (ALIGN TECHNOLOGY INC) Institutional Ownership Summary

Among the 15 tracked institutional investors we monitor, ALGN (ALIGN TECHNOLOGY INC) is held with a combined value of $3.32B across 20,110,335 shares. The largest holder is VANGUARD GROUP INC with a position worth $1.28B (0.02% of their portfolio). 6 funds increased their holdings. 9 funds reduced their position.

Total Institutional Value

$3.32B

Total Shares Held

20,110,335

Institutional Holders

% of Shares Outstanding

28.1%

of 71.62M shares · SEC 2026-05-01

Days to Cover

3.9-0.6%

4.68M shares short · FINRA 2026-06-30

Tracked 13F institutions hold 28.1% of ALGN's shares outstanding. This is a floor: 13F filings arrive on a ~45-day lag and we track only a subset of institutional filers, so true institutional ownership is higher. Shares-outstanding is the latest SEC cover-page figure (as of 2026-05-01), not a live float.

This Quarter's Biggest Movers

Ranked by estimated dollars moved (share change × implied price). 13F data lags up to 45 days.

Biggest Buyers

FMR LLC+35% shares~$120.0M CITADEL ADVISORS LLC+40% shares~$35.9M ARMISTICE CAPITAL, LLC+108% shares~$14.0M ADAGE CAPITAL PARTNERS GP, L.L.C.+165% shares~$13.9M Gotham Asset Management, LLC+28% shares~$6.4M

13F Institutional Holders

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AQR CAPITAL MANAGEMENT LLC

Gotham Asset Management, LLC

0.09% of book+28.4%

$29.02M

ARMISTICE CAPITAL, LLC

0.89% of book+107.6%

$27.08M

MILLENNIUM MANAGEMENT LLC

0.01% of book-83.8%

$24.07M

ADAGE CAPITAL PARTNERS GP, L.L.C.

0.03% of book+164.9%

$22.34M

#	Fund	Value↓	Shares	Portfolio %	Change
1	VANGUARD GROUP INC	$1.28B	8,179,779	0.02%	-1.5%
2	BlackRock, Inc.	$735.42M	4,289,924	0.01%	-1.6%
3	FMR LLC	$462.92M	2,700,359	0.02%	+35.0%
4	STATE STREET CORP	$431.36M	2,516,254	0.01%	-0.5%
5	AQR CAPITAL MANAGEMENT LLC	$150.26M	893,206	0.07%	-25.3%
6	CITADEL ADVISORS LLC	$125.15M	730,025	0.09%	+40.3%
7	Gotham Asset Management, LLC	$29.02M	169,256	0.09%	+28.4%
8	ARMISTICE CAPITAL, LLC	$27.08M	157,959	0.89%	+107.6%
9	MILLENNIUM MANAGEMENT LLC	$24.07M	140,432	0.01%	-83.8%
10	ADAGE CAPITAL PARTNERS GP, L.L.C.	$22.34M	130,314	0.03%	+164.9%

Congress Trading

4 members · 6 disclosed trades in ALGN

Member	Type	Amount	Date
Lisa McClain	Sell	$1,001 - $15,000	Sep 11, 2025
Lisa McClain	Buy	$1,001 - $15,000	Aug 4, 2025
Rob Bresnahan	Sell	$1,001 - $15,000	Apr 8, 2025
Gilbert Cisneros	Sell	$1,001 - $15,000

Frequently Asked Questions

Which institutional investors own the most ALGN stock?

As of the latest SEC 13F filings, VANGUARD GROUP INC is the largest institutional holder of ALGN with a position worth $1.28B, representing 0.02% of their portfolio. In total, 15 institutional investors hold ALGN with a combined value of $3.32B.

What percentage of ALGN is owned by institutional investors?

Institutional investors hold $3.32B worth of ALGN stock across 15 positions. The largest institutional holder is VANGUARD GROUP INC with $1.28B in holdings.

What is a 13F filing and why does it matter for ALGN?

A 13F filing is a quarterly report required by the SEC from institutional investment managers with over $100 million in assets. It discloses their holdings in U.S. equities. For ALGN, these filings reveal which major funds are accumulating or reducing positions, providing insights into institutional sentiment.

Track ALGN institutional moves

Get notified when hedge funds change their ALGN positions.