StockData
ASIXNYSEPlastic Materials, Synth Resins & Nonvulcan ElastomersFiscal year ends December 31

AdvanSix Inc.

Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 7, 2026
$16.05−0.32 (-1.95%)

Close on Oct 19, 2026

Market cap
$443.01M
P/E (TTM)
–
Dividend yield
–

Ownership

Institutional holdings as of Jun 30, 2026, from 13F filings

Held by institutions
91.7%
25M of 27M shares
Institutional holders
254
26 new, 32 sold out
Net institutional buying
1M
In Q2 2026
Insider trades, 12 months
0 buys · 0 sales
Open-market trades only

Shares held by institutions

Holders of more than 5%

Latest Schedule 13D (active) or 13G (passive) filed by each holder

HolderShares% of classFilingAs of
BlackRock, Inc.1,919,0017.10%13G (passive) amendmentMar 31, 2026
CastleKnight Master Fund LP1,666,3826.20%13G (passive)May 7, 2026
Dimensional Fund Advisors LP1,407,3495.20%13G (passive)Jun 30, 2026
American Century Investment Management, Inc.1,363,3465.10%13G (passive)Jun 30, 2026

Top institutional holders

13F holdings as of Jun 30, 2026

HolderShares% of ASIXValueChange% of portfolio
BlackRock, Inc.2,440,4809.04%$48.52M+156,5450.00%
CastleKnight Management LP1,590,3185.89%$31.62M+958,5370.43%
Dimensional Fund Advisors LP1,407,3495.21%$27.98M+96,3430.01%
American Century Companies Inc1,363,3465.05%$27.10M+236,7090.01%
Aegis Financial Corp1,209,6294.48%$24.05M–3.80%
Vanguard Capital Management LLC1,151,3554.26%$22.89M+27,8980.00%
Alliancebernstein L.P.863,8973.20%$21.08M−7,0790.01%
Aqr Capital Management LLC700,0572.59%$13.92M+61,4860.00%
Geode Capital Management, LLC692,5162.56%$13.77M+40,2680.00%
Arrowstreet Capital, Limited Partnership664,9442.46%$13.22M−63,3480.01%
FMR LLC658,3192.44%$13.09M+50,0300.00%
Charles Schwab Investment Management Inc611,2772.26%$12.15M−85,0850.00%
State Street Corp587,6602.18%$11.68M+21,0190.00%
Solas Capital Management, LLC571,3242.12%$11.36M+54,2956.09%
Goldman Sachs Group Inc553,5252.05%$11.00M+63,1430.00%
Lsv Asset Management548,7792.03%$10.91K−1,9000.02%
Two Sigma Investments, LP548,5162.03%$10.90M−64,1780.01%
Acadian Asset Management LLC520,8861.93%$10.35K+299,4870.01%
Morgan Stanley482,5201.79%$9.59M+80,1790.00%
Vanguard Portfolio Management LLC350,6551.30%$6.97M+64,3060.00%

Institutional buying and selling by quarter

Positions opened, added to, reduced and closed by 13F filers

QuarterHoldersShares held% of sharesNew / addedReduced / closedShares boughtShares sold
Q2 202625425M91.7%26 / 7859 / 324M3M
Q1 202626624M87.9%35 / 8064 / 396M4M
Q4 202527824M88.7%56 / 6581 / 476M7M
Q3 202527725M90.8%40 / 7971 / 402M2M
Q2 202528025M91.1%37 / 9164 / 322M1M
Q1 202527724M88.5%30 / 8178 / 311M1M
Q4 202428324M88.4%43 / 8364 / 372M1M
Q3 202427923M86.8%53 / 6971 / 326M1M
Q2 202426023M85.4%32 / 7166 / 381M2M
Q1 202427224M88.2%31 / 7273 / 372M2M
Q4 202328124M88.2%41 / 7767 / 423M2M
Q3 202328423M84.7%25 / 7585 / 272M2M

Top mutual fund and ETF holders

Latest monthly portfolio reports (Form N-PORT)

FundShares% of ASIXValue% of fundAs of
Aegis Value Fund1,174,9924.35%$23.36M2.07%Jun 30, 2026
Avantis U.S. Small Cap Value ETF1,117,5924.14%$25.08M0.09%May 31, 2026
Vanguard Total Stock Market Index Fund815,2993.02%$16.21M0.00%Jun 30, 2026
iShares Russell 2000 ETF701,6072.60%$13.95M0.02%Jun 30, 2026
U.S. Small Cap Value Portfolio362,5251.34%$7.27M0.04%Jul 31, 2026
Schwab Fundamental U.S. Small Company ETF316,4861.17%$7.10M0.08%May 31, 2026
Vanguard Extended Market Index Fund304,9521.13%$6.06M0.01%Jun 30, 2026
Fidelity Small Cap Index Fund295,0371.09%$5.92M0.02%Jul 31, 2026
iShares Russell 2000 Value ETF246,8220.91%$4.91M0.03%Jun 30, 2026
Towle Value ETF186,6320.69%$4.19M2.07%May 29, 2026
AB Small Cap Value Portfolio166,5270.62%$3.31M0.57%Jun 30, 2026
U.S. Targeted Value Portfolio160,4390.59%$3.22M0.02%Jul 31, 2026
Fidelity Extended Market Index Fund141,3040.52%$3.17M0.01%May 31, 2026
Dimensional US Small Cap Value ETF139,2190.52%$2.79M0.03%Jul 31, 2026
Vanguard Russell 2000 Index Fund134,7020.50%$3.02M0.02%May 31, 2026

Officers, directors and major owners

People who filed Forms 3, 4 or 5 in the last two years

NameRoleShares owned% of sharesLatest filing
Erin N. KaneChief Executive Officer, Director623,1032.31%Mar 3, 2026
Patrick C. DaySVP, CFO38,0380.14%Apr 29, 2026
Rachael E. RyanVP, Controller16,5130.06%Mar 26, 2026
Christopher GrammVP and Interim CFO73,0250.27%Mar 3, 2026
Kelly SlieterSVP, Chief HR Officer65,0290.24%Mar 3, 2026
Achilles B. KintiroglouSVP, General Counsel50,3630.19%Mar 3, 2026
Siddharth ManjeshwarSVP & Chief Financial Officer40,8520.15%Mar 4, 2025
Patrick WilliamsDirector43,4340.16%Jul 1, 2026
Todd D. KarranDirector91,9460.34%Jun 24, 2026
Sharon SpurlinDirector80,9530.30%Jun 24, 2026
Daryl RobertsDirector6,2070.02%Jun 24, 2026
Dana C. O'BrienDirector6,2070.02%Jun 24, 2026
Gena C. LovettDirector21,3690.08%Jun 24, 2026
Jeffrey J. BirdDirector6,2070.02%Jun 24, 2026
Donald P. NewmanDirector21,5130.08%Jun 24, 2026
Daniel F. SansoneDirector67,7670.25%Jun 20, 2025

Insider trades

Common stock transactions reported on Form 4, newest first

InsiderDateTransactionSharesPriceValueShares after
Patrick Williams
Director
Jun 30, 2026Award+660$19.88$13.12K43,434
Gena C. Lovett
Director
Jun 22, 2026Award+6,207––21,369
Patrick Williams
Director
Jun 22, 2026Award+6,207––42,774
Donald P. Newman
Director
Jun 22, 2026Award+6,207––21,513
Sharon Spurlin
Director
Jun 22, 2026Award+6,207––80,953
Todd D. Karran
Director
Jun 22, 2026Award+6,207––91,946
Jeffrey J. Bird
Director
Jun 22, 2026Award+6,207––6,207
Dana C. O'Brien
Director
Jun 22, 2026Award+6,207––6,207
Daryl Roberts
Director
Jun 22, 2026Award+6,207––6,207
Patrick C. Day
SVP, CFO
Apr 27, 2026Award+19,019$23.66$449.99K38,038
Patrick C. Day
SVP, CFO
Apr 27, 2026Award+19,019$23.66$449.99K19,019
Patrick Williams
Director
Mar 31, 2026Award+537$24.40$13.10K36,567
Rachael E. Ryan
VP, Controller
Mar 24, 2026Tax withholding−2,074$22.02$45.67K16,513
Achilles B. Kintiroglou
SVP, General Counsel
Feb 28, 2026Tax withholding−8,008$17.47$139.90K50,363
Kelly Slieter
SVP, Chief HR Officer
Feb 28, 2026Tax withholding−5,424$17.47$94.76K65,029
Christopher Gramm
VP and Interim CFO
Feb 28, 2026Tax withholding−2,624$17.47$45.84K73,025
Erin N. Kane
Chief Executive Officer, Director
Feb 28, 2026Tax withholding−33,642$17.47$587.73K623,103
Erin N. Kane
Chief Executive Officer, Director
Feb 26, 2026Award+111,298$17.79$1.98M656,745
Kelly Slieter
SVP, Chief HR Officer
Feb 26, 2026Award+22,485$17.79$400.01K70,453
Rachael E. Ryan
VP, Controller
Feb 26, 2026Award+5,621$17.79$100.00K18,587
Achilles B. Kintiroglou
SVP, General Counsel
Feb 26, 2026Award+28,106$17.79$500.01K58,371
Christopher Gramm
VP and Interim CFO
Feb 26, 2026Award+21,079$17.79$375.00K75,649
Donald P. Newman
Director
Dec 15, 2025Award+1,721$15.97$27.48K15,306
Patrick Williams
Director
Dec 15, 2025Award+821$15.97$13.11K35,923
Achilles B. Kintiroglou
SVP, General Counsel
Oct 3, 2025Sale(10b5-1 plan)−577$20.00$11.54K30,265
Patrick Williams
Director
Sep 30, 2025Award+677$19.38$13.12K34,965
Donald P. Newman
Director
Sep 30, 2025Award+1,418$19.38$27.48K13,497
Achilles B. Kintiroglou
SVP, General Counsel
Sep 2, 2025Sale(10b5-1 plan)−571$21.20$12.11K30,842
Achilles B. Kintiroglou
SVP, General Counsel
Aug 1, 2025Sale(10b5-1 plan)−571$20.18$11.52K31,413
Achilles B. Kintiroglou
SVP, General Counsel
Jul 2, 2025Sale(10b5-1 plan)−571$24.85$14.19K31,984
Donald P. Newman
Director
Jun 30, 2025Award+977$23.75$23.20K12,026
Patrick Williams
Director
Jun 30, 2025Award+552$23.75$13.11K34,193
Daniel F. Sansone
Director
Jun 18, 2025Award+5,020––36,288
Donald P. Newman
Director
Jun 18, 2025Award+5,020––11,049
Patrick Williams
Director
Jun 18, 2025Award+5,020––33,641
Sharon Spurlin
Director
Jun 18, 2025Award+5,020––74,746
Gena C. Lovett
Director
Jun 18, 2025Award+5,020––15,162
Todd D. Karran
Director
Jun 18, 2025Award+5,020––85,739
Achilles B. Kintiroglou
SVP, General Counsel
Jun 2, 2025Sale(10b5-1 plan)−571$23.65$13.50K32,555
Achilles B. Kintiroglou
SVP, General Counsel
May 1, 2025Sale(10b5-1 plan)−3,237$21.34$69.08K33,126
Achilles B. Kintiroglou
SVP, General Counsel
Apr 1, 2025Sale(10b5-1 plan)−4,000$22.24$88.96K36,363
Donald P. Newman
Director
Mar 31, 2025Award+993$22.65$22.49K6,023
Patrick Williams
Director
Mar 31, 2025Award+579$22.65$13.11K28,545
Rachael E. Ryan
VP, Controller
Mar 24, 2025Award+4,322––12,966
Rachael E. Ryan
VP, Controller
Mar 24, 2025Award+8,644––8,644
Achilles B. Kintiroglou
SVP, General Counsel
Mar 3, 2025Sale(10b5-1 plan)−4,000$27.75$111.00K40,363
Siddharth Manjeshwar
SVP & Chief Financial Officer
Feb 28, 2025Award+14,415––40,852
Erin N. Kane
Chief Executive Officer, Director
Feb 28, 2025Tax withholding−22,213$27.75$616.41K480,582
Erin N. Kane
Chief Executive Officer, Director
Feb 28, 2025Award+64,865––545,447
Christopher Gramm
Controller
Feb 28, 2025Award+9,010––54,521
Christopher Gramm
Controller
Feb 28, 2025Award+3,982––45,511
Christopher Gramm
Controller
Feb 28, 2025Tax withholding−1,934$27.75$53.67K41,529
Achilles B. Kintiroglou
SVP, General Counsel
Feb 28, 2025Tax withholding−4,731$27.75$131.29K28,507
Achilles B. Kintiroglou
SVP, General Counsel
Feb 28, 2025Award+15,856––44,363
Kelly Slieter
SVP, Chief HR Officer
Feb 28, 2025Award+12,073––47,968
Kelly Slieter
SVP, Chief HR Officer
Feb 28, 2025Tax withholding−3,319$27.75$92.10K35,895
Erin N. Kane
Chief Executive Officer, Director
Feb 3, 2025Sale(10b5-1 plan)−4,400$30.12$132.53K503,395
Erin N. Kane
Chief Executive Officer, Director
Feb 3, 2025Sale(10b5-1 plan)−600$30.71$18.43K502,795
Erin N. Kane
Chief Executive Officer, Director
Jan 2, 2025Sale(10b5-1 plan)−4,700$28.10$132.07K508,095
Erin N. Kane
Chief Executive Officer, Director
Jan 2, 2025Sale(10b5-1 plan)−300$28.90$8.67K507,795

Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.

Planned insider sales

Notices of proposed sale filed on Form 144 before shares are sold

SellerFiledSharesMarket valuePlanned saleAcquired through
Christopher Gramm
Officer
Jun 10, 20262,000$42.80KJun 10, 2026Vesting of performance share unit awards
Christopher Gramm
Officer
May 13, 20262,000$45.09KMay 13, 2026Vesting of performance share unit awards
Achilles B. Kintiroglou
Officer
Oct 3, 2025577$11.54KOct 3, 202502/28/2025
Achilles B. Kintiroglou
Officer
Sep 2, 2025571$12.11KSep 2, 2025Vesting of restricted stock unit award
Achilles B. Kintiroglou
Officer
Aug 1, 2025571$11.52KAug 1, 2025Vesting of restricted stock unit award
Achilles B. Kintiroglou
Officer
Jul 2, 2025571$14.19KJul 2, 2025Vesting of restricted stock unit award
Achilles B. Kintiroglou
Officer
Jun 2, 2025571$13.50KJun 2, 2025Vesting of restricted stock unit award
Achilles B. Kintiroglou
Officer
May 1, 20253,237$69.08KMay 1, 2025Vesting of performance share unit award
Achilles B. Kintiroglou
Officer
Apr 1, 20254,000$88.96KApr 1, 2025Vesting of restricted stock unit award
Achilles B. Kintiroglou
Officer
Mar 3, 20254,000$111.00KMar 3, 2025Vesting of performance share unit award
Erin N. Kane
Officer
Feb 3, 20255,000$150.96KFeb 3, 2025Vesting of performance share unit award
Erin N. Kane
Officer
Jan 2, 20255,000$140.76KJan 2, 2025Vesting of restricted stock unit award
Michael Preston
Officer
Dec 16, 20243,536$108.00KDec 16, 2024Vesting of performance share unit award
Michael Preston
Officer
Dec 13, 202410,808$332.76KDec 13, 2024Vesting of performance share unit award
Erin N. Kane
Officer
Dec 2, 20245,000$161.45KDec 2, 2024Vesting of restricted stock unit award