Alcoa Ownership | Who Owns Alcoa?

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Alcoa Ownership Summary

Alcoa is owned by 76.31% institutional investors, 0.55% insiders, and 23.15% retail investors. Blackrock funding, inc. /de is the largest institutional shareholder, holding 10.88% of AA shares. iShares Core S&P Mid-Cap ETF is the top mutual fund, with 3.31% of its assets in Alcoa shares.

AA Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Alcoa	76.31%	0.55%	23.15%
Sector	Basic Materials Stocks	41.27%	13.22%	45.51%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Blackrock funding, inc. /de	28.39M	10.88%	$1.88B
Vanguard group	25.13M	9.63%	$1.34B
Blackrock	17.17M	9.57%	$682.84M
Eagle capital management	14.10M	5.40%	$935.08M
Fmr	12.85M	4.93%	$852.52M
State street	10.88M	4.17%	$721.77M
Dimensional fund advisors lp	8.63M	3.31%	$572.06M
Geode capital management	5.94M	2.28%	$394.29M
Aqr capital management	5.17M	1.98%	$343.04M
Morgan stanley	4.10M	1.57%	$271.68M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Oxbow capital management (hk)	685.00K	12.25%	$45.44M
Drummond knight asset management pty	478.53K	11.23%	$31.74M
Mountaineer partners management	233.69K	7.70%	$15.50M
Arrow capital pty	70.00K	4.43%	$4.43M
Impala asset management	130.00K	4.02%	$8.62M
Lesa sroufe	77.65K	3.51%	$5.15M
Eagle capital management	14.10M	3.14%	$935.08M
Diameter capital partners lp	650.00K	3.05%	$25.86M
Duquesne family office	1.49M	2.93%	$99.06M
Qsm asset management	87.30K	2.85%	$5.82M

Top Buyers

Holder	Shares	% Assets	Change
Fmr	12.85M	0.04%	7.92M
Blackrock funding, inc. /de	28.39M	0.03%	3.97M
D. e. shaw	3.61M	0.14%	3.48M
Agf management	2.08M	0.62%	1.83M
Vanguard fiduciary trust	1.61M	0.03%	1.61M

Top Sellers

Holder	Shares	% Assets	Change
Blackrock	17.17M	0.02%	-5.11M
Castle hook partners lp	-	-	-3.97M
Bank of new york mellon	3.14M	0.04%	-3.11M
Jpmorgan chase	3.02M	0.01%	-3.02M
Dimensional fund advisors lp	8.63M	0.12%	-2.96M

New Positions

Holder	Shares	% Assets	Change	Value
Vanguard fiduciary trust	1.61M	0.03%	1.61M	$106.95M
Norges bank	1.27M	0.01%	1.27M	$67.58M
Massachusetts financial services co /ma/	738.82K	0.02%	738.82K	$49.05M
Kgh	717.00K	1.41%	717.00K	$27.09M
Diameter capital partners lp	650.00K	3.05%	650.00K	$25.86M

Sold Out

Holder	Change
Elyxium wealth	-2.00
Mendota financial group	-2.00
Flaharty asset management	-3.00
Fortis advisors	-3.00
Harbor investment advisory	-4.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Mar 31, 2026	798	14.82%	199,106,928	-0.31%	76	1.30%	477	19.55%	182	15.92%
Dec 31, 2025	475	-16.96%	130,866,915	-29.15%	50	0.99%	278	-0.71%	97	-33.56%
Sep 30, 2025	545	7.07%	224,048,891	28.53%	86	1.91%	266	5.98%	140	-3.45%
Jun 30, 2025	511	-8.75%	185,403,010	8.38%	71	1.64%	250	-5.30%	146	-3.31%
Mar 31, 2025	22	-96.22%	6,075,923	-96.57%	2	0.05%	5	-98.30%	9	-93.62%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
iShares Core S&P Mid-Cap ETF	8.75M	3.31%	-4.40K
Vanguard Total Stock Mkt Idx Inv	8.40M	3.18%	20.36K
Vanguard US Total Market Shares ETF	8.22M	3.18%	2.56M
Vanguard Small Cap Index	6.08M	2.30%	-12.54K
Vanguard Small Cap Value Index Inv	3.90M	1.48%	27.18K
Stt Strt®SPDR®S&P®Mtls &MngETF	3.32M	1.26%	-29.75K
SPDR® S&P Metals and Mining ETF	3.04M	1.18%	-10.92K
Vanguard Institutional Extnd Mkt Idx Tr	2.92M	1.11%	29.14K
Fidelity Puritan	2.54M	0.96%	353.40K
Fidelity OTC	2.35M	0.89%	-

Recent Insider Transactions

Date	Name	Role	Activity	Value
Oct 22, 2024	Bacchi Renato	EVP & Chief Commercial Officer	Sell	$1.01M
Mar 13, 2024	Jones Tammi A	EVP & CHRO	Sell	$814.58K
Mar 13, 2024	Jones Tammi A	EVP & CHRO	Sell	$44.16K
Feb 08, 2023	Harvey Roy Christopher	President, CEO & Director	Sell	$1.54M
Feb 01, 2023	Bacchi Renato	EVP & CSIO	Sell	$535.00K

Insider Transactions Trends

Date	Buy	Sell
2026 Q2	-	-
2026 Q1	-	-
2025 Q3	-	-
2025 Q2	-	-
2025 Q1	-	-

AA Ownership FAQ

Who owns the most shares of Alcoa?

Alcoa’s largest shareholders are Blackrock funding, inc. /de (28.39M shares, 10.88%), Vanguard group (25.13M shares, 9.63%), and Blackrock (17.17M shares, 9.57%). Together, they hold 30.09% of Alcoa’s total shares outstanding.

Does Blackrock own Alcoa?

Yes, BlackRock owns 9.57% of Alcoa, totaling 17.17M shares as of Jun 2024. This represents 0.02% of BlackRock's total assets, with a market value of 682.84M$. In the last quarter, BlackRock decreased its holdings by -5.115M shares, a -22.96% change.

Who is Alcoa’s biggest shareholder by percentage of total assets invested?

Oxbow capital management (hk) is Alcoa’s biggest shareholder by percentage of total assets invested, with 12.25% of its assets in 685K Alcoa shares, valued at 45.44M$.

Who is the top mutual fund holder of Alcoa shares?

iShares Core S&P Mid-Cap ETF is the top mutual fund holder of Alcoa shares, with 3.31% of its total shares outstanding invested in 8.75M Alcoa shares.

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