AdvanSix Ownership | Who Owns AdvanSix?

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AdvanSix Ownership Summary

AdvanSix is owned by 20.89% institutional investors, 3.02% insiders, and 76.09% retail investors. Blackrock is the largest institutional shareholder, holding 17.81% of ASIX shares. Victory Small Cap Value CIT (Net 75) is the top mutual fund, with 6.64% of its assets in AdvanSix shares.

ASIX Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	AdvanSix	20.89%	3.02%	76.09%
Sector	Basic Materials Stocks	41.27%	13.22%	45.51%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Blackrock	4.79M	17.81%	$109.72M
Blackrock funding, inc. /de	2.28M	8.48%	$55.73M
Vanguard group	1.71M	6.35%	$29.53M
Dimensional fund advisors lp	1.31M	4.87%	$31.99M
Aegis financial	1.21M	4.49%	$29.51M
American century companies	1.13M	4.18%	$27.49M
Alliancebernstein	870.98K	3.23%	$15.07M
Arrowstreet capital, limited partnership	728.29K	2.70%	$17.77M
Wellington management group llp	699.72K	2.60%	$13.56M
Charles schwab investment management	696.36K	2.58%	$16.99M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Solas capital management	517.03K	7.26%	$12.62M
Aegis financial	1.21M	5.08%	$29.51M
Lloyd harbor capital management	290.00K	2.89%	$7.08M
Walnut level capital	100.00K	2.07%	$2.44M
Meros investment management, lp	127.30K	1.38%	$2.92M
Ballast asset management, lp	117.12K	1.27%	$2.86M
Lumbard & kellner	145.69K	1.23%	$3.55M
Summerhaven investment management	31.38K	0.47%	$765.70K
Mudita advisors llp	82.81K	0.41%	$2.02M
Waterfront wealth	91.91K	0.41%	$2.24M

Top Buyers

Holder	Shares	% Assets	Change
Castleknight management lp	631.78K	0.26%	631.78K
Aqr capital management	638.57K	0.01%	346.25K
Arrowstreet capital, limited partnership	728.29K	0.01%	319.53K
Acadian asset management	221.40K	0.01%	221.40K
Lloyd harbor capital management	290.00K	2.89%	215.00K

Top Sellers

Holder	Shares	% Assets	Change
Blackrock funding, inc. /de	2.28M	0.00%	-1.11M
Millennium management	198.13K	0.00%	-465.40K
Vanguard group	1.71M	0.00%	-283.30K
Renaissance	-	-	-203.80K
Thompson siegel & walmsley	21.85K	0.01%	-198.49K

New Positions

Holder	Shares	% Assets	Change	Value
Acadian asset management	221.40K	0.01%	221.40K	$5.40M
Vanguard fiduciary trust	176.58K	0.00%	176.58K	$4.31M
Walnut level capital	100.00K	2.07%	100.00K	$2.44M
Vanguard global advisers	96.52K	0.00%	96.52K	$2.36M
Mudita advisors llp	82.81K	0.41%	82.81K	$2.02M

Sold Out

Holder	Change
Advisornet financial	-1.00
Principal securities	-1.00
Main street group	-1.00
Goalvest advisory	-1.00
Financial freedom	-1.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Mar 31, 2026	136	-50.37%	5,627,658	-76.48%	20	0.26%	46	-60.68%	24	-70.00%
Dec 31, 2025	209	-23.44%	17,095,072	-30.09%	63	0.77%	71	-39.83%	67	-5.63%
Sep 30, 2025	260	-6.14%	24,422,001	-0.73%	90	1.08%	114	-11.63%	69	4.55%
Jun 30, 2025	275	-	24,556,697	2.74%	91	1.15%	127	10.43%	66	-13.16%
Mar 31, 2025	269	-3.24%	24,158,185	0.92%	90	1.13%	111	-10.48%	75	22.95%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Victory Small Cap Value CIT (Net 75)	1.77M	6.64%	-25.00K
Victory Sycamore Small Company Opp R	1.73M	6.45%	-44.00K
iShares Core S&P Small-Cap ETF	1.59M	5.94%	-
iShares US Infrastructure ETF	1.24M	4.62%	993.14K
Aegis Value I	1.17M	4.36%	-
Avantis US Small Cap Value ETF	1.03M	3.82%	-
Vanguard US Total Market Shares ETF	808.61K	3.02%	-
Vanguard Total Stock Mkt Idx Inv	795.40K	2.95%	-
iShares Russell 2000 ETF	632.90K	2.35%	5.36K
Schwab Fundamental U.S. Small CompanyETF	366.72K	1.36%	2.16K

Recent Insider Transactions

Date	Name	Role	Activity	Value
Oct 03, 2025	Kintiroglou Achilles B.	SVP, General Counsel	Sell	$11.54K
Sep 02, 2025	Kintiroglou Achilles B.	SVP, General Counsel	Sell	$12.11K
Aug 01, 2025	Kintiroglou Achilles B.	SVP, General Counsel	Sell	$11.52K
Jul 02, 2025	Kintiroglou Achilles B.	SVP, General Counsel	Sell	$14.19K
Jun 02, 2025	Kintiroglou Achilles B.	SVP, General Counsel	Sell	$13.50K

Insider Transactions Trends

Date	Buy	Sell
2026 Q2	-	-
2026 Q1	-	-
2025 Q4	-	1
2025 Q3	-	3
2025 Q2	-	3

ASIX Ownership FAQ

Who owns the most shares of AdvanSix?

AdvanSix’s largest shareholders are Blackrock (4.79M shares, 17.81%), Blackrock funding, inc. /de (2.28M shares, 8.48%), and Vanguard group (1.71M shares, 6.35%). Together, they hold 32.64% of AdvanSix’s total shares outstanding.

Does Blackrock own AdvanSix?

Yes, BlackRock owns 17.81% of AdvanSix, totaling 4.79M shares as of Jun 2024. This represents 0.00% of BlackRock's total assets, with a market value of 109.72M$. In the last quarter, BlackRock decreased its holdings by -35.738K shares, a -0.74% change.

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

Solas capital management is AdvanSix’s biggest shareholder by percentage of total assets invested, with 7.26% of its assets in 517.03K AdvanSix shares, valued at 12.62M$.

Who is the top mutual fund holder of AdvanSix shares?

Victory Small Cap Value CIT (Net 75) is the top mutual fund holder of AdvanSix shares, with 6.64% of its total shares outstanding invested in 1.77M AdvanSix shares.

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