$AA

$38.85 +$0.15 (0.39%) Pre-market

$AA Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 263.9M shares outstanding

Who owns AA?

By type of holder

Institutions 77.6% Insiders 0.1% Everyone else 22.4%

Concentration Top 10 holders own 43.0%

BlackRock, Inc. 11.1% · FMR LLC 6.4%

Institutional ownership

77.6%

+1.9 pts vs last qtr

Institutional holders

711

-52 vs last qtr

Net shares bought

+5.1M

by institutions in Q2 2026

New / sold out

97 / 149

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

FMR LLC +4.1M
Millennium Management LLC +2.0M

Biggest sellers in Q2 2026

Dimensional Fund Advisors LP −2.8M
Eagle Capital Management LLC −2.2M

Who is planning to sell?

Notices of proposed sale, last 12 months

$1.35M

4 notices from 4 people

Shares covered

26.9K

0.01% of the company

Arranged in advance

of the value is under a 10b5-1 plan

Under a 10b5-1 plan No plan

Largest proposed sellers

Jones Tammi A Officer $791K
Hastings Andrew Officer $305K

Every notice on Red Flags →

A Form 144 is notice of a planned sale, not the sale itself. What insiders actually sold is on Insider Transactions.

Is your stake being diluted?

Diluted share count, FY2016–FY2025

+42.6%

+4.02% a year

Each share's claim on the business

−29.9%

shrank without buying or selling a share

Spent on buybacks vs paid in stock

$700M vs $333M

over 10 fiscal years

Diluted shares, split-adjusted

Buybacks Stock-based comp

How patient are the owners?

Institutional shares by how long they've been held

5+ years66% 3–5 years5% 1–3 years14% Under 1 year15%

Quarterly turnover

12.6%

of institutional shares changed hands

Top 10 managers, median time held

5 years

Super Investors

Investment managers reporting AA on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
B BlackRock, Inc.	29.3M	11.11%	+923.1K (+3.3%)	≤2021	0.0%
Shares held by quarter Peak holding29.3M (Q2'26) Change over 8 quarters+5.0M Share of the company11.110% BlackRock, Inc.'s full portfolio →
F FMR LLC	17.0M	6.44%	+4.1M (+32.2%)	≤2021	0.0%
Shares held by quarter Peak holding17.0M (Q2'26) Change over 8 quarters+16.8M Share of the company6.440% FMR LLC's full portfolio →

BlackRock, Inc.

29.3M

% of company

11.11%

Change vs last qtr

+923.1K (+3.3%)

Held since

≤2021

FMR LLC

17.0M

% of company

6.44%

Change vs last qtr

+4.1M (+32.2%)

Held since

≤2021

28 more super investors behind a free account

See every manager holding Alcoa Corp, how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting AA on Form N-PORT; together they hold 35.5% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
IC iShares Core S&P Mid-Cap ETF iShares Trust	$471M	9.0M	3.42%	0.38%	June 30, 2026
VT Vanguard Total Stock Market Index Fund Vanguard Index Funds	$437M	8.4M	3.18%	0.02%	June 30, 2026

iShares Core S&P Mid-Cap ETF

iShares Trust

Position value

$471M

% of company

3.42%

% of the fund

0.38%

As of

June 30, 2026

Vanguard Total Stock Market Index Fund

Vanguard Index Funds

Position value

$437M

% of company

3.18%

% of the fund

0.02%

As of

June 30, 2026

23 more funds behind a free account

See every fund holding Alcoa Corp and how much of the fund the position is.

Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G

Holder	Shares	% of company	Change vs last qtr	8 quarters	Held since	% of their book
OW Oplinger William F Insider	102.7K	0.04%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.040% Oplinger William F's insider activity →
WS Williams Steven W Insider	12.3K	0.00%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.000% Williams Steven W's insider activity →

Oplinger William F

Insider

102.7K

% of company

0.04%

Change vs last qtr

—

Held since

—

Williams Steven W

Insider

12.3K

% of company

0.00%

Change vs last qtr

—

Held since

—

5 more holders behind a free account

See every insider and 5%+ holder of Alcoa Corp.

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