AdvanSix Inc.
MX ˙ BMV ˙ US00773T1016
SecurityMX:ASIX / AdvanSix Inc.
InstitutionEstabrook Capital Management
Latest Disclosed Ownership345 shares
Latest Disclosed Value $ 8,418
Estabrook Capital Management ownership in ASIX / AdvanSix Inc.

On May 14, 2026 - Estabrook Capital Management filed a 13F-HR form disclosing ownership of 345 shares of AdvanSix Inc. (MX:ASIX) valued at $8,418 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 13, 2026 disclosing 345 shares of AdvanSix Inc.. This represents a change in shares of 0.00% during the quarter.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date
Effective
Date
Form Security Class ID Avg Price
Paid (Est)
Reported
Shares
ΔShares ΔShares
(%)
Reported
Value
(x1000)
ΔValue
(%)
Alloc
(%)
ΔAlloc ΔAlloc (%) Cost Basis
(x1000)
Unrealized
Gain/Loss
(x1000)
2026-05-14 2026-03-31 13F ADVANSIX INC COM COMMON 00773T101 345 0 0.00 8 60.00 0.0012
2026-02-13 2025-12-31 13F ADVANSIX INC COM COMMON 00773T101 345 0 0.00 6 -16.67 0.0009
2025-11-10 2025-09-30 13F ADVANSIX INC COM COMMON 00773T101 345 0 0.00 7 -25.00 0.0010
2025-08-13 2025-06-30 13F ADVANSIX INC COM COMMON 00773T101 345 0 0.00 8 14.29 0.0013
2025-05-14 2025-03-31 13F ADVANSIX INC COM COMMON 00773T101 345 0 0.00 8 -22.22 0.0013
2025-02-13 2024-12-31 13F ADVANSIX INC COM COMMON 00773T101 345 0 0.00 10 -10.00 0.0015
2024-11-13 2024-09-30 13F ADVANSIX INC COM COMMON 00773T101 345 0 0.00 10 42.86 0.0016
2024-08-13 2024-06-30 13F ADVANSIX INC COM COMMON 00773T101 345 0 0.00 8 -22.22 0.0012
2024-05-14 2024-03-31 13F ADVANSIX INC COM COMMON 00773T101 345 0 0.00 10 -10.00 0.0015
2024-02-13 2023-12-31 13F ADVANSIX INC COM COMMON 00773T101 345 0 0.00 10 0.00 0.0017
2023-11-13 2023-09-30 13F ADVANSIX INC COM COMMON 00773T101 345 0 0.00 11 -16.67 0.0019
2023-08-11 2023-06-30 13F ADVANSIX INC COM COMMON 00773T101 345 0 0.00 12 -7.69 0.0020
2023-05-12 2023-03-31 13F ADVANSIX INC COM COMMON 00773T101 345 0 0.00 13 0.00 0.0023
2023-02-13 2022-12-31 13F ADVANSIX INC COM COMMON 00773T101 345 0 0.00 13 18.18 0.0023
2022-11-14 2022-09-30 13F ADVANSIX INC COM COMMON 00773T101 345 -36 -9.45 11 -8.33 0.0021
2022-08-15 2022-06-30 13F ADVANSIX INC COM COMMON 00773T101 381 0 0.00 13 -36.84 0.0022
2022-05-13 2022-03-31 13F ADVANSIX INC COM COMMON 00773T101 381 0 0.00 19 5.56 0.0029
2022-02-11 2021-12-31 13F ADVANSIX INC COM COMMON 00773T101 381 0 0.00 18 20.00 0.0026
2021-11-15 2021-09-30 13F ADVANSIX INC COM COMMON 00773T101 381 0 0.00 15 36.36 0.0024
2021-08-13 2021-06-30 13F ADVANSIX INC COM COMMON 00773T101 381 -38 -9.07 11 0.00 0.0017
2021-05-14 2021-03-31 13F ADVANSIX INC COM COMMON 00773T101 419 0 0.00 11 37.50 0.0017
2021-02-12 2020-12-31 13F ADVANSIX INC COM COMMON 00773T101 419 -4 -0.95 8 60.00 0.0014
2020-11-13 2020-09-30 13F ADVANSIX INC COM COMMON 00773T101 423 0 0.00 5 25.00 0.0010
2020-08-13 2020-06-30 13F/A-1 ADVANSIX INC COM COMMON 00773T101 423 0 0.00 5 0.00 0.0009
2020-08-13 2020-06-30 13F ADVANSIX INC COM COMMON 00773T101 423 4
2020-05-14 2020-03-31 13F ADVANSIX INC COM COMMON 00773T101 423 0 0.00 4 -50.00 0.0008
2020-02-13 2019-12-31 13F ADVANSIX INC COM COMMON 00773T101 423 -31 -6.83 8 -27.27 0.0013
2019-11-13 2019-09-30 13F ADVANSIX INC COM MUTUAL 00773T101 454 0 0.00 12 0.00 0.0019
2019-08-13 2019-06-30 13F ADVANSIX INC COM COMMON 00773T101 454 -109 -19.36 11 -31.25 0.0018
2019-05-13 2019-03-31 13F ADVANSIX INC COM COMMON 00773T101 563 -237 -29.62 16 -15.79 0.0027
2019-02-14 2018-12-31 13F ADVANSIX INC COM COMMON 00773T101 800 -4 -0.50 19 -29.63 0.0036
2018-11-13 2018-09-30 13F ADVANSIX INC COM COMMON 00773T101 804 -32 -3.83 27 -10.00 0.0041
2018-08-14 2018-06-30 13F ADVANSIX INC COM COMMON 00773T101 836 -97 -10.40 31 -6.25 0.0048
2018-05-14 2018-03-31 13F ADVANSIX INC COM COMMON 00773T101 933 -32 -3.32 32 -20.00 0.0051
2018-02-12 2017-12-31 13F ADVANSIX INC COM COMMON 00773T101 965 -25 -2.53 41 2.56 0.0061
2017-11-09 2017-09-30 13F ADVANSIX INC COM COMMON 00773T101 990 -46 -4.44 39 21.88 0.0061
2017-08-10 2017-06-30 13F ADVANSIX INC COM COMMON 00773T101 1,036 -1,700 -62.13 32 -56.76 0.0052
2017-05-12 2017-03-31 13F ADVANSIX INC COM COMMON 00773T101 2,736 -1,397 -33.80 75 -18.68 0.0117
2017-02-14 2016-12-31 13F ADVANSIX INC COM COMMON 00773T101 4,133 4,133 92 0.0143
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.