Rivian Automotive, Inc.
DE ˙ DB ˙ US76954A1034
15,34 € ↑0,00 (0,03%)
2026-06-05
DEL PRIS
SecurityDE:99U / Rivian Automotive, Inc.
InstitutionEverett Harris & Co /ca/
Latest Disclosed Ownership34,395 shares
Latest Disclosed Value $ 517,645
Everett Harris & Co /ca/ ownership in 99U / Rivian Automotive, Inc.

On May 8, 2026 - Everett Harris & Co /ca/ filed a 13F-HR form disclosing ownership of 34,395 shares of Rivian Automotive, Inc. (DE:99U) valued at $431,313 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 11, 2026 disclosing 34,395 shares of Rivian Automotive, Inc.. This represents a change in shares of 0.00% during the quarter. The current value of the position is $527,551 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)
2026-05-08 2026-03-31 13F Rivian Automotive COM 76954A103 34,395 0 0.00 518 -23.63 0.0067
2026-02-11 2025-12-31 13F Rivian Automotive COM 76954A103 34,395 0 0.00 678 34.33 0.0082
2025-11-03 2025-09-30 13F Rivian Automotive COM 76954A103 34,395 75 0.22 505 7.01 0.0062
2025-08-08 2025-06-30 13F Rivian Automotive COM 76954A103 34,320 0 0.00 472 10.30 0.0061
2025-05-12 2025-03-31 13F Rivian Automotive COM 76954A103 34,320 0 0.00 427 -6.36 0.0055
2025-01-24 2024-12-31 13F RIVIAN AUTOMOTIVE COM CL A 76954A103 34,320 10,000 41.12 456 67.65 0.0058
2024-10-18 2024-09-30 13F RIVIAN AUTOMOTIVE COM CL A 76954A103 24,320 24,320 273 0.0034
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.