Entegris, Inc.
MX ˙ BMV ˙ US29362U1043
SecurityMX:ENTG / Entegris, Inc.
InstitutionSoutheast Asset Advisors Inc.
Latest Disclosed Ownership6,633 shares
Latest Disclosed Value $ 777,653
Southeast Asset Advisors Inc. reports 39.05% decrease in ownership of ENTG / Entegris, Inc.

On May 13, 2026 - Southeast Asset Advisors Inc. filed a 13F-HR form disclosing ownership of 6,633 shares of Entegris, Inc. (MX:ENTG) valued at $777,653 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 13, 2026 disclosing 10,882 shares of Entegris, Inc.. This represents a change in shares of -39.05% 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)
2026-05-13 2026-03-31 13F ENTEGRIS COM 29362U104 6,633 -4,249 -39.05 778 -15.17 0.0852
2026-02-13 2025-12-31 13F ENTEGRIS COM 29362U104 10,882 -18 -0.17 917 -9.04 0.0870
2025-11-07 2025-09-30 13F ENTEGRIS COM 29362U104 10,900 -9,281 -45.99 1,008 -38.11 0.1097
2025-08-12 2025-06-30 13F ENTEGRIS COM 29362U104 20,181 -14 -0.07 1,628 -7.87 0.1935
2025-05-14 2025-03-31 13F ENTEGRIS COM 29362U104 20,195 -3,075 -13.21 1,767 -23.38 0.2166
2025-02-13 2024-12-31 13F ENTEGRIS COM 29362U104 23,270 -2,564 -9.92 2,305 -20.71 0.2828
2024-11-13 2024-09-30 13F ENTEGRIS COM 29362U104 25,834 -730 -2.75 2,907 -19.16 0.3215
2024-08-12 2024-06-30 13F ENTEGRIS COM 29362U104 26,564 -234 -0.87 3,597 -4.51 0.4324
2024-05-14 2024-03-31 13F ENTEGRIS COM 29362U104 26,798 -13,414 -33.36 3,766 -21.83 0.4532
2024-02-13 2023-12-31 13F ENTEGRIS COM 29362U104 40,212 424 1.07 4,818 28.96 0.6386
2023-11-14 2023-09-30 13F ENTEGRIS COM 29362U104 39,788 7,755 24.21 3,736 5.27 0.5251
2023-08-10 2023-06-30 13F ENTEGRIS COM 29362U104 32,033 -7,140 -18.23 3,550 10.49 0.5054
2023-05-12 2023-03-31 13F ENTEGRIS COM 29362U104 39,173 -7,983 -16.93 3,213 3.88 0.4819
2023-02-09 2022-12-31 13F ENTEGRIS COM 29362U104 47,156 -3,583 -7.06 3,093 -26.59 0.4913
2022-11-04 2022-09-30 13F ENTEGRIS COM 29362U104 50,739 6,672 15.14 4,212 3.74 0.7161
2022-08-15 2022-06-30 13F ENTEGRIS COM 29362U104 44,067 3,231 7.91 4,060 -24.25 0.6405
2022-05-13 2022-03-31 13F ENTEGRIS COM 29362U104 40,836 4,888 13.60 5,360 7.59 0.7113
2022-02-14 2021-12-31 13F ENTEGRIS COM 29362U104 35,948 -6,139 -14.59 4,982 -5.98 0.6835
2021-11-15 2021-09-30 13F ENTEGRIS COM 29362U104 42,087 3,961 10.39 5,299 13.03 0.8697
2021-08-13 2021-06-30 13F ENTEGRIS COM 29362U104 38,126 2,373 6.64 4,688 17.29 0.7680
2021-05-13 2021-03-31 13F ENTEGRIS COM 29362U104 35,753 3,593 11.17 3,997 29.31 0.7175
2021-02-16 2020-12-31 13F ENTEGRIS COM 29362U104 32,160 7,715 31.56 3,091 70.12 0.6133
2020-11-12 2020-09-30 13F ENTEGRIS COM 29362U104 24,445 11,509 88.97 1,817 137.83 0.4072
2020-08-14 2020-06-30 13F ENTEGRIS COM 29362U104 12,936 12,936 764 0.1894
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.