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AMRZ Institutional Ownership & 13F Holders | SmartMoneyDB

AMRZAMRIZE LTD

SHS · CUSIP H2927K103

Smart Money Ownership

Of the 15 tracked institutions holding AMRZ, 8 have a 3-year clone track record — 6 of them beat the S&P. Average holder's clone alpha: +8.0pt. It's a gauge of who owns the name, not just how many.

Slate Path Capital

$210.2M · 3.1% of book

+43.8pt

Jim Simons

$109.6M · 0.2% of book

AMRZ (AMRIZE LTD) Institutional Ownership Summary

Among the 15 tracked institutional investors we monitor, AMRZ (AMRIZE LTD) is held with a combined value of $4.49B across 81,348,973 shares. The largest holder is VANGUARD GROUP INC with a position worth $1.72B (0.02% of their portfolio). Grantham, Mayo, Van Otterloo & Co. LLC opened a new position in the most recent quarter. 8 funds increased their holdings. 6 funds reduced their position.

Total Institutional Value

$4.49B

Total Shares Held

81,348,973

Institutional Holders

% of Shares Outstanding

14.7%

of 553.54M shares · SEC 2026-04-24

Days to Cover

2.8+4.7%

8.80M shares short · FINRA 2026-06-30

Tracked 13F institutions hold 14.7% of AMRZ'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 2026-04-24), 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

VANGUARD GROUP INC+6% shares~$91.3M BlackRock, Inc.+9% shares~$69.2M MILLENNIUM MANAGEMENT LLC+115% shares~$34.0M CITADEL ADVISORS LLC+77% shares~$16.6M STATE STREET CORP+5% shares~$12.5M

13F Institutional Holders

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HARRIS ASSOCIATES L P

0.85% of book-0.3%

$635.53M

WELLINGTON MANAGEMENT GROUP LLP

Slate Path Capital LP

RENAISSANCE TECHNOLOGIES LLC

0.17% of book+10.4%

$109.61M

MILLENNIUM MANAGEMENT LLC

#	Fund	Value↓	Shares	Portfolio %	Change
1	VANGUARD GROUP INC	$1.72B	31,770,926	0.02%	+5.6%
2	BlackRock, Inc.	$864.52M	15,432,336	0.02%	+8.7%
3	HARRIS ASSOCIATES L P	$635.53M	11,344,767	0.85%	-0.3%
4	WELLINGTON MANAGEMENT GROUP LLP	$364.76M	6,711,677	0.07%	-47.2%
5	STATE STREET CORP	$258.17M	4,608,449	0.01%	+5.1%
6	Slate Path Capital LP	$210.24M	3,752,947	3.12%	-35.9%
7	FMR LLC	$198.28M	3,576,588	0.01%	-28.7%
8	RENAISSANCE TECHNOLOGIES LLC	$109.61M	1,956,600	0.17%	+10.4%
9	MILLENNIUM MANAGEMENT LLC	$63.54M	1,134,317	0.03%	+115.1%
10	CITADEL ADVISORS LLC	$38.04M	678,989	0.03%	+77.3%

Frequently Asked Questions

Which institutional investors own the most AMRZ stock?

As of the latest SEC 13F filings, VANGUARD GROUP INC is the largest institutional holder of AMRZ with a position worth $1.72B, representing 0.02% of their portfolio. In total, 15 institutional investors hold AMRZ with a combined value of $4.49B.

Are hedge funds buying or selling AMRZ?

In the most recent quarter, 1 fund opened a new position in AMRZ. Additionally, 8 increased their holdings and 6 reduced their positions.

What percentage of AMRZ is owned by institutional investors?

Institutional investors hold $4.49B worth of AMRZ stock across 15 positions. The largest institutional holder is VANGUARD GROUP INC with $1.72B in holdings.

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

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 AMRZ, these filings reveal which major funds are accumulating or reducing positions, providing insights into institutional sentiment.

Track AMRZ institutional moves

Get notified when hedge funds change their AMRZ positions.