Security Snapshot

AdvanSix Inc. - Common Stock (ASIX) Institutional Ownership

CUSIP: 00773T101

13F Institutional Holders and Ownership History from Q2 2016 to Q2 2026

Latest Period

Q2 2026

Institutions Reporting

250

Shares (Excl. Options)

24,760,708

Price

$19.88

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Latest holder snapshot 5 signals
Portfolio coverage rank
0%
Share change
+1,033,957
Value change
+$15,178,500
Number of holders
250
Issuer context Names, identifiers, and filing context for this profile. 3 identity fields
Shares outstanding
26,732,275
SEC-reported price per share
$20.43
Insider filing price
$20.43
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors

Key facts

  • ASIX - AdvanSix Inc. - Common Stock is tracked under CUSIP 00773T101.
  • 250 institutions reported positions in Q2 2026.
  • 5 significant owners is listed from Schedule 13D/13G reporting.

Change

  • Holder count moved from 263 to 250 between Q1 2026 and Q2 2026.
  • SEC-reported value moved from $572,147,268 to $495,923,256.

Research use

  • You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
  • 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.

Evidence

Source: SEC Form 13F

Latest holder context comes from 250 institutions filings for Q2 2026.

Open SEC evidence

Security key

00773T101

Latest holder period

Q2 2026

13F holders

250

13D/G owners

5

CIK / CUSIP context first

13D/G owners

Significant owners

Large-stake holder rows connected to Schedule 13D/G evidence.

Rows
5
Security
ASIX
Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
BlackRock, Inc. 7.1% -40% $46,823,624 -$31,255,253 1,919,001 -40% BlackRock, Inc. 31 Mar 2026
CastleKnight Master Fund LP 6.2% $39,826,530 1,666,382 CastleKnight Master Fund LP 07 May 2026
DIMENSIONAL FUND ADVISORS LP 5.2% +8% $27,975,283 +$2,076,734 1,407,349 +8% Dimensional Fund Advisors LP 30 Jun 2026
AMERICAN CENTURY INVESTMENT MANAGEMENT INC 5.1% $28,534,832 1,363,346 American Century Investment Management, Inc. 30 Jun 2026
VICTORY CAPITAL MANAGEMENT INC 0.51% -97% $2,512,941 -$42,615,188 137,620 -94% Victory Capital Management, Inc. 30 Sep 2025

As of 30 Jun 2026, 250 institutional investors reported holding 24,760,708 shares of AdvanSix Inc. - Common Stock (ASIX). This represents 93% of the company’s total 26,732,275 outstanding shares.

13F concentration

Top 25 institutional shareholders

Largest 13F positions for this security by reported shares and value.

Top holder share
70%
Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
BlackRock, Inc. 9.1% 2,440,480 +6.9% 0% $48,516,737
CastleKnight Management LP 5.9% 1,590,318 +152% 1.2% $31,615,522
DIMENSIONAL FUND ADVISORS LP 5.3% 1,407,349 +7.3% 0.01% $27,977,774
AMERICAN CENTURY COMPANIES INC 5.1% 1,363,346 +21% 0.01% $27,103,318
AEGIS FINANCIAL CORP 4.5% 1,209,629 0% 3.8% $24,047,425
VANGUARD CAPITAL MANAGEMENT LLC 4.3% 1,151,355 +2.5% 0% $22,888,937
ALLIANCEBERNSTEIN L.P. 3.2% 863,897 -0.81% 0.01% $21,079,087
AQR CAPITAL MANAGEMENT LLC 2.6% 700,057 +9.6% 0% $13,917,126
GEODE CAPITAL MANAGEMENT, LLC 2.6% 692,516 +6.2% 0% $13,771,117
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 2.5% 664,944 -8.7% 0.01% $13,219,087
FMR LLC 2.5% 658,319 +8.2% 0% $13,087,381
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 2.3% 611,277 -12% 0% $12,152,187
STATE STREET CORP 2.2% 587,660 +3.7% 0% $11,682,681
Solas Capital Management, LLC 2.1% 571,324 +11% 6.1% $11,357,921
GOLDMAN SACHS GROUP INC 2.1% 553,525 +13% 0% $11,004,079
LSV ASSET MANAGEMENT 2.1% 548,779 -0.35% 0.02% $10,910,000
TWO SIGMA INVESTMENTS, LP 2.1% 548,516 -10% 0.01% $10,904,498
ACADIAN ASSET MANAGEMENT LLC 1.9% 520,886 +135% 0.01% $10,348,000
MORGAN STANLEY 1.8% 482,520 +20% 0% $9,592,518
VANGUARD PORTFOLIO MANAGEMENT LLC 1.3% 350,655 +22% 0% $6,971,021
Empowered Funds, LLC 1.1% 302,687 +200% 0.03% $6,017,418
NORTHERN TRUST CORP 0.95% 255,276 +6.7% 0% $5,074,887
TOWLE & CO 0.93% 249,091 +1665% 1.7% $4,951,929
UBS Group AG 0.9% 240,480 -9.5% 0% $4,780,743
Qube Research & Technologies Ltd 0.89% 237,789 -16% 0.01% $4,727,245

Quarter history

Institutional holders across reporting periods

Holder count, reported shares/value, and median price by quarter.

Periods
41
Latest
Q2 2026
Rows shown
1-25 of 41
Period 13F Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q2 24,760,708 $495,923,256 +$15,178,500 $19.88 250
2026 Q1 23,702,465 $572,147,268 +$4,513,915 $24.40 263
2025 Q4 23,882,709 $413,189,855 -$11,648,817 $17.30 272
2025 Q3 24,451,796 $473,888,023 -$4,379,348 $19.38 270
2025 Q2 24,600,692 $584,285,114 +$17,042,510 $23.75 275
2025 Q1 23,906,006 $541,429,602 -$832,461 $22.65 273
2024 Q4 23,870,663 $680,059,572 +$11,581,149 $28.49 276
2024 Q3 23,340,745 $708,863,290 +$15,078,839 $30.38 274
2024 Q2 22,982,818 $526,758,772 -$330,153 $22.92 252
2024 Q1 22,961,712 $656,675,883 -$2,367,404 $28.60 268
2023 Q4 23,056,144 $690,717,743 +$5,137,306 $29.96 276
2023 Q3 22,888,604 $711,366,056 -$18,678,459 $31.08 278
2023 Q2 23,479,874 $821,440,408 -$883,447 $34.98 283
2023 Q1 23,346,572 $893,443,402 +$20,035,877 $38.27 300
2022 Q4 23,206,641 $882,442,698 +$6,930,588 $38.02 299
2022 Q3 23,159,366 $743,450,744 -$8,594,513 $32.10 244
2022 Q2 23,277,134 $778,569,005 -$21,941,829 $33.44 257
2022 Q1 23,695,744 $1,211,326,100 +$35,911,573 $51.09 276
2021 Q4 23,105,455 $1,090,521,385 -$41,188,447 $47.25 288
2021 Q3 23,360,860 $927,452,553 +$21,410,528 $39.75 239
2021 Q2 23,138,708 $690,998,625 +$390,812 $29.86 211
2021 Q1 23,134,735 $620,528,347 -$19,468,164 $26.82 188
2020 Q4 23,884,290 $477,537,350 +$4,734,085 $19.99 162
2020 Q3 24,068,639 $309,952,301 -$2,324,595 $12.88 158
2020 Q2 24,268,215 $284,893,496 +$10,980,338 $11.74 164
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