SQ Advisors, LLC — 13F-HR — 2019-03-31
U.S. SEC EDGAR · Published 15 May 2019 · Collected 20 Oct 2026
Original SEC XML preserved; count and dollar total reconciled; manager attribution retained · Original document retrieved
PERSON / P080INVESTOR
Lou Simpson
Northwestern identified Louis Simpson as chairman of SQ Advisors in 2015. Coverage here is historical: dated SQ Advisors filings from 2018–2019, not current holdings.
Biography: www.mccormick.northwestern.edu
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These are disclosures by an associated institution. The person’s name provides context; it does not establish current management, personal ownership or who made the trade.
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01 / THE RECORDS20 MATCHING RECORDS
The disclosed positions.
2 record sources ↗| ASSET / SECURITY | REPORTED QUANTITY | REPORTED VALUE / USD | WEIGHT | QUARTERLY ACTIVITY | RECORD TYPE / OWNER | SOURCE |
|---|---|---|---|---|---|---|
| 01973R101ALLISON TRANSMISSION HLDGS I | 8,294,015shares | $364,190,000Reported market value$43.91 / reported unit (derived) | 13.90%Share of this filing table | No comparable prior disclosure | Quarter-end positionAssociated institution31 Dec 2018 | U.S. SEC EDGAR ↗Record details ↗ |
| 530307305LIBERTY BROADBAND CORP | 4,974,694shares | $358,327,000Reported market value$72.03 / reported unit (derived) | 13.68%Share of this filing table | No comparable prior disclosure | Quarter-end positionAssociated institution31 Dec 2018 | U.S. SEC EDGAR ↗Record details ↗ |
| 112585104BROOKFIELD ASSET MGMT INC | 8,379,455shares | $321,279,000Reported market value$38.34 / reported unit (derived) | 12.26%Share of this filing table | No comparable prior disclosure | Quarter-end positionAssociated institution31 Dec 2018 | U.S. SEC EDGAR ↗Record details ↗ |
| 143130102CARMAX INC | 4,582,126shares | $287,437,000Reported market value$62.73 / reported unit (derived) | 10.97%Share of this filing table | No comparable prior disclosure | Quarter-end positionAssociated institution31 Dec 2018 | U.S. SEC EDGAR ↗Record details ↗ |
| 12685J105CABLE ONE INC | 343,638shares | $281,818,000Reported market value$820.1 / reported unit (derived) | 10.76%Share of this filing table | No comparable prior disclosure | Quarter-end positionAssociated institution31 Dec 2018 | U.S. SEC EDGAR ↗Record details ↗ |
| 808513105SCHWAB CHARLES CORP NEW | 6,238,543shares | $259,087,000Reported market value$41.53 / reported unit (derived) | 9.89%Share of this filing table | No comparable prior disclosure | Quarter-end positionAssociated institution31 Dec 2018 | U.S. SEC EDGAR ↗Record details ↗ |
| G8060N102SENSATA TECHNOLOGIES HLDNG P | 5,378,699shares | $241,181,000Reported market value$44.84 / reported unit (derived) | 9.20%Share of this filing table | No comparable prior disclosure | Quarter-end positionAssociated institution31 Dec 2018 | U.S. SEC EDGAR ↗Record details ↗ |
| 037833100APPLE INC | 1,435,608shares | $226,453,000Reported market value$157.74 / reported unit (derived) | 8.64%Share of this filing table | No comparable prior disclosure | Quarter-end positionAssociated institution31 Dec 2018 | U.S. SEC EDGAR ↗Record details ↗ |
| 530307305LIBERTY BROADBAND CORP | 2,261,946shares | $207,511,000Reported market value$91.74 / reported unit (derived) | 15.74%Share of this filing table | No comparable prior disclosure | Quarter-end positionAssociated institution31 Mar 2019 | U.S. SEC EDGAR ↗Record details ↗ |
| 112585104BROOKFIELD ASSET MGMT INC | 3,828,355shares | $178,589,000Reported market value$46.65 / reported unit (derived) | 13.55%Share of this filing table | No comparable prior disclosure | Quarter-end positionAssociated institution31 Mar 2019 | U.S. SEC EDGAR ↗Record details ↗ |
| 01973R101ALLISON TRANSMISSION HLDGS I | 3,790,722shares | $170,279,000Reported market value$44.92 / reported unit (derived) | 12.92%Share of this filing table | No comparable prior disclosure | Quarter-end positionAssociated institution31 Mar 2019 | U.S. SEC EDGAR ↗Record details ↗ |
| 12685J105CABLE ONE INC | 154,609shares | $151,730,000Reported market value$981.38 / reported unit (derived) | 11.51%Share of this filing table | No comparable prior disclosure | Quarter-end positionAssociated institution31 Mar 2019 | U.S. SEC EDGAR ↗Record details ↗ |
| 902252105TYLER TECHNOLOGIES INC | 809,554shares | $150,431,000Reported market value$185.82 / reported unit (derived) | 5.74%Share of this filing table | No comparable prior disclosure | Quarter-end positionAssociated institution31 Dec 2018 | U.S. SEC EDGAR ↗Record details ↗ |
| 143130102CARMAX INC | 2,138,822shares | $149,290,000Reported market value$69.8 / reported unit (derived) | 11.33%Share of this filing table | No comparable prior disclosure | Quarter-end positionAssociated institution31 Mar 2019 | U.S. SEC EDGAR ↗Record details ↗ |
| 084670702BERKSHIRE HATHAWAY INC DEL | 637,067shares | $130,076,000Reported market value$204.18 / reported unit (derived) | 4.96%Share of this filing table | No comparable prior disclosure | Quarter-end positionAssociated institution31 Dec 2018 | U.S. SEC EDGAR ↗Record details ↗ |
| 037833100APPLE INC | 672,007shares | $127,648,000Reported market value$189.95 / reported unit (derived) | 9.68%Share of this filing table | No comparable prior disclosure | Quarter-end positionAssociated institution31 Mar 2019 | U.S. SEC EDGAR ↗Record details ↗ |
| 808513105THE CHARLES SCHWAB CORPORATI | 2,949,418shares | $126,117,000Reported market value$42.76 / reported unit (derived) | 9.57%Share of this filing table | No comparable prior disclosure | Quarter-end positionAssociated institution31 Mar 2019 | U.S. SEC EDGAR ↗Record details ↗ |
| 902252105TYLER TECHNOLOGIES INC | 390,263shares | $79,770,000Reported market value$204.4 / reported unit (derived) | 6.05%Share of this filing table | No comparable prior disclosure | Quarter-end positionAssociated institution31 Mar 2019 | U.S. SEC EDGAR ↗Record details ↗ |
| G8060N102SENSATA TECHNOLOGIES HLDNG P | 1,661,297shares | $74,792,000Reported market value$45.02 / reported unit (derived) | 5.67%Share of this filing table | No comparable prior disclosure | Quarter-end positionAssociated institution31 Mar 2019 | U.S. SEC EDGAR ↗Record details ↗ |
| 084670702BERKSHIRE HATHAWAY INC DEL | 260,282shares | $52,288,000Reported market value$200.89 / reported unit (derived) | 3.97%Share of this filing table | No comparable prior disclosure | Quarter-end positionAssociated institution31 Mar 2019 | U.S. SEC EDGAR ↗Record details ↗ |
Figures retain their source’s meaning. Unknown is not zero. Dates, share classes and option exposures may differ; source-table coverage is not a complete personal portfolio.
02 / THE REFERENCES
Go back to the evidence.
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SQ Advisors, LLC — 13F-HR — 2018-12-31
U.S. SEC EDGAR · Published 14 Feb 2019 · Collected 20 Oct 2026
Original SEC XML preserved; count and dollar total reconciled; manager attribution retained · Original document retrieved
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