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Disclosery

Laura & John Arnold Foundation

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13F filer, CIK 2111628, HOUSTON, TX

Laura & John Arnold Foundation reported $429,551,193 across 4 holdings for the quarter ended 2026-03-31, in a 13F-HR filed 2026-05-15.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001011438-26-000339

Period
2026-03-31
Reported value
$430M
Holdings
4
Top 10 weight
100%
New
0
Sold out
0

Largest buys vs the previous quarter

None.

Largest sells vs the previous quarter

SecurityShares changeApprox. value
GOOGreduced-326,900-$93.8M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Holdings, Q1 2026

Share positions as resolved from 13F-HR 0001011438-26-000339, largest first. % of portfolio is the value over $429,551,193, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
XLUSELECT SECTOR SPDR TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not loaded; 2025Q1: not loaded; 2025Q2: not loaded; 2025Q3: not loaded; 2025Q4: 4,202,774 shares; 2026Q1: 4,202,774 shares 4,202,774$193M44.9%0Timeline
IGVISHARES TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not loaded; 2025Q1: not loaded; 2025Q2: not loaded; 2025Q3: not loaded; 2025Q4: 1,479,875 shares; 2026Q1: 1,479,875 shares 1,479,875$118M27.58%0Timeline
GOOGALPHABET INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not loaded; 2025Q1: not loaded; 2025Q2: not loaded; 2025Q3: not loaded; 2025Q4: 651,900 shares; 2026Q1: 325,000 shares 325,000$93.2M21.7%-326,900Timeline
AMZNAMAZON COM INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not loaded; 2025Q1: not loaded; 2025Q2: not loaded; 2025Q3: not loaded; 2025Q4: 120,000 shares; 2026Q1: 120,000 shares 120,000$25M5.82%0Timeline

How Q1 2026 was built

Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).

FilingRoleAmendmentFiledAcceptedIngested
13F-HR 0001011438-26-000339 base2026-05-15acceptance time not in the bulk data set