Mueller Industries, Inc.
DE ˙ DB ˙ US6247561029
110,10 € ↑3,95 (3,72%)
2026-06-03
AKTIENPREIS
SecurityDE:MUD / Mueller Industries, Inc.
InstitutionRenaissance Technologies Llc
ManagerJames Simons
Latest Disclosed Ownership152,700 shares
Latest Disclosed Value $ 16,919,160
Renaissance Technologies Llc reports 9.70% increase in ownership of MUD / Mueller Industries, Inc.

On May 14, 2026 - Renaissance Technologies Llc filed a 13F-HR form disclosing ownership of 152,700 shares of Mueller Industries, Inc. (DE:MUD) valued at $14,124,750 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 12, 2026 disclosing 139,200 shares of Mueller Industries, Inc.. This represents a change in shares of 9.70% during the quarter. The current value of the position is $16,812,270 USD.

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 MUELLER INDS COM 624756102 152,700 13,500 9.70 16,919 5.88 0.0265
2026-02-12 2025-12-31 13F MUELLER INDS COM 624756102 139,200 -310,800 -69.07 15,980 -64.88 0.0248
2025-11-13 2025-09-30 13F MUELLER INDS COM 624756102 450,000 -43,700 -8.85 45,500 15.97 0.0601
2025-08-13 2025-06-30 13F MUELLER INDS COM 624756102 493,700 188,000 61.50 39,234 68.57 0.0522
2025-05-14 2025-03-31 13F MUELLER INDS COM 624756102 305,700 -171,300 -35.91 23,276 -38.51 0.0352
2025-02-13 2024-12-31 13F MUELLER INDS COM 624756102 477,000 287,100 151.18 37,855 169.02 0.0560
2024-11-13 2024-09-30 13F MUELLER INDS COM 624756102 189,900 134,300 241.55 14,072 344.58 0.0212
2024-08-09 2024-06-30 13F MUELLER INDS COM 624756102 55,600 40,600 270.67 3,166 0.0054
2024-05-13 2024-03-31 13F MUELLER INDS COM 624756102 15,000 7,400 97.37 1 0.0013
2024-02-13 2023-12-31 13F MUELLER INDS COM 624756102 7,600 -9,000 -54.22 0 -100.00 0.0006
2023-11-14 2023-09-30 13F MUELLER INDS COM 624756102 16,600 -30,000 -64.38 1 -75.00 0.0021
2023-08-11 2023-06-30 13F MUELLER INDS COM 624756102 46,600 -70,600 -60.24 4 -50.00 0.0059
2023-05-12 2023-03-31 13F MUELLER INDS COM 624756102 117,200 -39,700 -25.30 9 -11.11 0.0114
2023-02-13 2022-12-31 13F MUELLER INDS COM 624756102 156,900 -35,600 -18.49 9 -99.92 0.0127
2022-11-14 2022-09-30 13F MUELLER INDS COM 624756102 192,500 129,300 204.59 11,442 239.73 0.0162
2022-08-12 2022-06-30 13F MUELLER INDS COM 624756102 63,200 -6,600 -9.46 3,368 -10.92 0.0040
2022-05-13 2022-03-31 13F MUELLER INDS COM 624756102 69,800 -24,400 -25.90 3,781 -32.39 0.0044
2022-02-11 2021-12-31 13F MUELLER INDS COM 624756102 94,200 10,100 12.01 5,592 61.76 0.0070
2021-11-12 2021-09-30 13F MUELLER INDS COM 624756102 84,100 54,973 188.74 3,457 174.15 0.0045
2021-08-13 2021-06-30 13F MUELLER INDS COM 624756102 29,127 -15,273 -34.40 1,261 -31.32 0.0016
2021-05-13 2021-03-31 13F MUELLER INDS COM 624756102 44,400 44,400 52.44 1,836 45.60 0.0023
2021-02-10 2020-12-31 13F MUELLER INDS COM 624756102 0 -30,700 -100.00 0 -100.00
2020-11-13 2020-09-30 13F MUELLER INDS COM 624756102 30,700 30,700 831 0.0008
2020-08-13 2020-06-30 13F MUELLER INDS COM 624756102 0 -90,100 -100.00 0 -100.00
2020-05-14 2020-03-31 13F MUELLER INDS COM 624756102 90,100 8,800 10.82 2,157 -16.43 0.0021
2020-02-13 2019-12-31 13F MUELLER INDS COM 624756102 81,300 81,300 -9.77 2,581 19.66 0.0020
2019-11-13 2019-09-30 13F MUELLER INDS COM 624756102 0 -23,300 -100.00 0 -100.00
2019-08-12 2019-06-30 13F MUELLER INDS COM 624756102 23,300 -18,100 -43.72 682 -47.42 0.0006
2019-05-14 2019-03-31 13F MUELLER INDS COM 624756102 41,400 9,000 27.78 1,297 71.33 0.0012
2019-02-12 2018-12-31 13F MUELLER INDS COM 624756102 32,400 -7,000 -17.77 757 -33.71 0.0008
2018-11-13 2018-09-30 13F MUELLER INDS COM 624756102 39,400 39,400 1,142 0.0012
2018-02-13 2017-12-31 13F MUELLER INDS COM 624756102 0 -61,600 -100.00 0 -100.00
2017-11-13 2017-09-30 13F MUELLER INDS COM 624756102 61,600 -24,900 -28.79 2,153 -18.26 0.0025
2017-08-11 2017-06-30 13F MUELLER INDS COM 624756102 86,500 86,500 40.42 2,634 22.34 0.0034
2017-02-13 2016-12-31 13F MUELLER INDS COM 624756102 0 -48,400 -100.00 0 -100.00
2016-11-14 2016-09-30 13F MUELLER INDS COM 624756102 48,400 -83,200 -63.22 1,569 -62.60 0.0028
2016-08-12 2016-06-30 13F MUELLER INDS COM 624756102 131,600 -45,700 -25.78 4,195 -19.57 0.0080
2016-05-13 2016-03-31 13F MUELLER INDS COM 624756102 177,300 70,100 65.39 5,216 79.55 0.0099
2016-02-11 2015-12-31 13F MUELLER INDS COM 624756102 107,200 34,400 47.25 2,905 34.93 0.0063
2015-11-12 2015-09-30 13F MUELLER INDS COM 624756102 72,800 64,900 821.52 2,153 685.77 0.0051
2015-08-14 2015-06-30 13F MUELLER INDS COM 624756102 7,900 7,900 -89.15 274 -87.27 0.0006
2014-11-12 2014-09-30 13F MUELLER INDS COM 624756102 0 -85,000 -100.00 0 -100.00
2014-08-13 2014-06-30 13F MUELLER INDS COM 624756102 85,000 64,100 306.70 2,500 89.83 0.0058
2014-02-14 2013-12-31 13F MUELLER INDS COM 624756102 20,900 -50,400 -70.69 1,317 -66.82 0.0032
2013-11-13 2013-09-30 13F MUELLER INDS COM 624756102 71,300 -82,800 -53.73 3,969 -48.93 0.0096
2013-08-12 2013-06-30 13F MUELLER INDS COM 624756102 154,100 154,100 7,771 0.0204
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.