AdvanSix Inc.

ASIX

Exchange: NYSE
Industry: Plastic Materials, Synth Resins & Nonvulcan Elastomers
SEC CIK: 0001673985

SEC filings (opens in a new tab)

No open-market purchases or sales by AdvanSix Inc. insiders were filed in the last 90 days; 256 institutions reported holding it in 13F filings for Q2 2026, worth $498.3M in total; no superinvestor holds it.

13F holders, Q2 2026

Institutional positions in AdvanSix Inc. as of Jun 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders: 256; −6 vs. Q1 2026
Shares held: 24.9M; +1.20M (+5.1%) vs. Q1 2026
Total value: $498.3M; −$73.4M (−12.8%) vs. Q1 2026
New holders: 26; 78 more added
Sold out: 32; 59 more reduced

4 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting ASIX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ2 2026: 256 institutions

Value heldQ2 2026: $498.3M

Institutions holding ASIX and their total value by quarter
Quarter	Holders	Value
Q2 2026	256	$498.3M
Q1 2026	266	$572.4M
Q4 2025	278	$414.3M
Q3 2025	277	$473.9M
Q2 2025	280	$583.7M
Q1 2025	277	$541.0M
Q4 2024	282	$678.7M
Q3 2024	279	$708.9M
Q2 2024	260	$526.1M
Q1 2024	272	$657.5M
Q4 2023	281	$690.7M
Q3 2023	285	$711.4M
Q2 2023	291	$821.8M
Q1 2023	305	$893.4M
Q4 2022	316	$881.7M
Q3 2022	306	$742.9M
Q2 2022	324	$782.1M
Q1 2022	341	$1.21B
Q4 2021	350	$1.09B
Q3 2021	305	$927.5M
Q2 2021	288	$688.7M
Q1 2021	274	$620.6M

Institutions, Q2 2026

Shares, value and share of portfolio for each institution holding AdvanSix Inc.; share changes are against Q1 2026.

Institutions holding ASIX in Q2 2026
Institution	Shares	Value	% of portfolio	Change in shares	Action
Covestor Ltd	19	$0	0.00%	−40−67.8%	Reduced
Hazlett, Burt & Watson, Inc.	19	$0	0.00%	00.0%	Unchanged
Capital Advisors, Ltd. LLC	15	$0	0.00%	00.0%	Unchanged
Centerpoint Advisors, LLC	1	$0	0.00%	+1	New
Zions Bancorporation, National Association	1	$20	0.00%	00.0%	Unchanged
Delta Asset Management LLC	1	$20	0.00%	00.0%	Unchanged
Rosenberg Matthew Hamilton	1	$20	0.00%	00.0%	Unchanged
Ronald Blue Trust, Inc.	1	$20	0.00%	00.0%	Unchanged
Fairman Group, LLC	1	$20	0.00%	00.0%	Unchanged
Keating Financial Advisory Services, Inc.	1	$20	0.00%	00.0%	Unchanged
Whittier Trust Co of Nevada Inc	1	$21	0.00%	−7−87.5%	Reduced
Chilton Capital Management LLC	2	$40	0.00%	00.0%	Unchanged
Elevated Capital Advisors, LLC	2	$40	0.00%	00.0%	Unchanged
Napier Financial, LLC	2	$40	0.00%	00.0%	Unchanged
Pension & Wealth Management Advisors, Inc.	2	$40	0.00%	00.0%	Unchanged
Marshall & Sterling Wealth Advisors Inc.	2	$44	0.00%	00.0%	Unchanged
Pinnacle Wealth Planning Services, Inc.	3	$60	0.00%	00.0%	Unchanged
Larson Financial Group LLC	3	$60	0.00%	00.0%	Unchanged
St Germain D J Co Inc	4	$80	0.00%	00.0%	Unchanged
Private Trust Co NA	4	$80	0.00%	00.0%	Unchanged
West Branch Capital LLC	4	$80	0.00%	00.0%	Unchanged
Fortis Group Advisors, LLC	4	$80	0.00%	00.0%	Unchanged
MTM Investment Management, LLC	4	$80	0.00%	00.0%	Unchanged
Quent Capital, LLC	4	$80	0.00%	00.0%	Unchanged
Downshift Financial, LLC	4	$80	0.00%	+4	New
SBI Securities Co., Ltd.	5	$99	0.00%	−881−99.4%	Reduced
Pinnacle Bancorp, Inc.	5	$99	0.00%	−15−75.0%	Reduced
UMA Financial Services, Inc.	5	$100	0.00%	−26−83.9%	Reduced
Ares Financial Consulting, LLC	6	$119	0.00%	00.0%	Unchanged
Hollencrest Capital Management	6	$119	0.00%	00.0%	Unchanged
Horizon Financial Services, LLC	6	$119	0.00%	00.0%	Unchanged
Medallion Wealth Advisors, LLC	6	$119	0.00%	00.0%	Unchanged
Global Retirement Partners, LLC	6	$119	0.00%	+6	New
Manchester Capital Management LLC	6	$120	0.00%	00.0%	Unchanged
Cape Investment Advisory, Inc.	7	$139	0.00%	+7	New
Gilpin Wealth Management, LLC	7	$140	0.00%	00.0%	Unchanged
Sachetta, LLC	7	$146	0.00%	00.0%	Unchanged
First Horizon Corp	8	$159	0.00%	00.0%	Unchanged
Cullen/Frost Bankers, Inc.	8	$159	0.00%	00.0%	Unchanged
Newbridge Financial Services Group, Inc.	8	$159	0.00%	00.0%	Unchanged
Federation des caisses Desjardins du Quebec	8	$159	0.00%	00.0%	Unchanged
GWM Advisors LLC	9	$179	0.00%	00.0%	Unchanged
North Star Investment Management Corp.	9	$181	0.00%	00.0%	Unchanged
Mark Sheptoff Financial Planning, LLC	10	$199	0.00%	00.0%	Unchanged
Mather Group, LLC.	10	$199	0.00%	00.0%	Unchanged
Financial Management Professionals, Inc.	10	$199	0.00%	+10	New
Northwestern Mutual Wealth Management Co	10	$203	0.00%	00.0%	Unchanged
Financial Perspectives, Inc	11	$219	0.00%	00.0%	Unchanged
Westfuller Advisors, LLC	11	$221	0.00%	00.0%	Unchanged
IFG Advisory, LLC	11	$221	0.00%	+11	New
Game Plan Financial Advisors, LLC	12	$239	0.00%	00.0%	Unchanged
JPL Wealth Management, LLC	12	$239	0.00%	+1+9.1%	Added
Rockefeller Capital Management L.P.	14	$292	0.00%	00.0%	Unchanged
ESL Trust Services, LLC	15	$298	0.00%	00.0%	Unchanged
Ankerstar Wealth, LLC	15	$298	0.00%	00.0%	Unchanged
Prestige Wealth Management Group LLC	15	$299	0.00%	00.0%	Unchanged
Trust Co of Toledo NA	16	$318	0.00%	00.0%	Unchanged
Bell Investment Advisors, Inc	16	$319	0.00%	00.0%	Unchanged
Assetmark, Inc	19	$378	0.00%	+8+72.7%	Added
Nemes Rush Group LLC	20	$398	0.00%	00.0%	Unchanged
First Command Advisory Services, Inc.	21	$417	0.00%	00.0%	Unchanged
Glen Eagle Advisors, LLC	22	$437	0.00%	+22	New
Wall Street Access Asset Management, LLC	22	$438	0.00%	+4+22.2%	Added
GAMMA Investing LLC	23	$457	0.00%	−31−57.4%	Reduced
Financial Consulate, Inc	23	$458	0.00%	00.0%	Unchanged
Colonial Trust Co	24	$477	0.00%	00.0%	Unchanged
PFS Partners, LLC	24	$486	0.00%	00.0%	Unchanged
Boyd Watterson Asset Management LLC	25	$497	0.00%	00.0%	Unchanged
Compagnie Lombard Odier SCmA	25	$497	0.00%	00.0%	Unchanged
True Wealth Design, LLC	25	$497	0.00%	+13+108.3%	Added
National Bank of Canada	27	$534	0.00%	−14−34.1%	Reduced
Rossby Financial, LCC	29	$577	0.00%	00.0%	Unchanged
Action Point Financial Planning, LLC	29	$577	0.00%	+29	New
Huntington National Bank	33	$656	0.00%	00.0%	Unchanged
Silver Grove Financial Group, Inc.	37	$736	0.00%	+37	New
Eastern Bank	40	$795	0.00%	00.0%	Unchanged
Thompson Investment Management, Inc.	40	$795	0.00%	00.0%	Unchanged
Grove Bank & Trust	41	$815	0.00%	00.0%	Unchanged
TD Private Client Wealth LLC	42	$835	0.00%	00.0%	Unchanged
TD Waterhouse Canada Inc.	44	$873	0.00%	00.0%	Unchanged
Highline Wealth Partners LLC	45	$895	0.00%	+45	New
Massmutual Trust Co FSB	48	$954	0.00%	00.0%	Unchanged
Webster Bank, N. A.	51	$1.01K	0.00%	00.0%	Unchanged
Creative Financial Designs Inc	52	$1.03K	0.00%	00.0%	Unchanged
Armstrong Advisory Group, Inc	53	$1.05K	0.00%	00.0%	Unchanged
Umb Bank N A	54	$1.07K	0.00%	00.0%	Unchanged
St. Johns Investment Management Company, LLC	58	$1.15K	0.00%	00.0%	Unchanged
DT Investment Partners, LLC	59	$1.17K	0.00%	00.0%	Unchanged
Smartleaf Asset Management LLC	67	$1.32K	0.00%	00.0%	Unchanged
SJS Investment Consulting Inc.	71	$1.41K	0.00%	+7+10.9%	Added
CoreCap Advisors, LLC	75	$1.48K	0.00%	+1+1.4%	Added
Wealth Enhancement Trust Services, Inc.	82	$1.63K	0.00%	+82	New
Brown, Lisle/Cummings, Inc.	88	$1.75K	0.00%	00.0%	Unchanged
Triumph Capital Management	90	$1.79K	0.00%	00.0%	Unchanged
Key Financial Inc	97	$1.93K	0.00%	00.0%	Unchanged
Smithfield Trust Co	104	$2.00K	0.00%	00.0%	Unchanged
Fifth Third Bancorp	102	$2.03K	0.00%	−166−61.9%	Reduced
Birchbrook, Inc.	105	$2.10K	0.00%	00.0%	Unchanged
Basecamp Wealth Advisors LLC	106	$2.11K	0.00%	+12+12.8%	Added
Atlantic Union Bankshares Corp	121	$2.40K	0.00%	00.0%	Unchanged