Rivian Automotive, Inc.
MX ˙ BMV ˙ US76954A1034
SecurityMX:RIVN / Rivian Automotive, Inc.
InstitutionSchroder Investment Management Group
Latest Disclosed Ownership26,216 shares
Latest Disclosed Value $ 394,550
Schroder Investment Management Group reports 17.02% decrease in ownership of RIVN / Rivian Automotive, Inc.

On May 14, 2026 - Schroder Investment Management Group filed a 13F-HR form disclosing ownership of 26,216 shares of Rivian Automotive, Inc. (MX:RIVN) valued at $394,550 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 13, 2026 disclosing 31,595 shares of Rivian Automotive, Inc.. This represents a change in shares of -17.02% 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)
2026-05-14 2026-03-31 13F RIVIAN AUTOMOTIVE COM CL A 76954A103 26,216 -5,379 -17.02 395 -36.66 0.0001
2026-02-13 2025-12-31 13F RIVIAN AUTOMOTIVE COM CL A 76954A103 31,595 1,011 3.31 623 38.84 0.0005
2025-11-13 2025-09-30 13F RIVIAN AUTOMOTIVE COM CL A 76954A103 30,584 2,336 8.27 449 15.46 0.0004
2025-08-13 2025-06-30 13F RIVIAN AUTOMOTIVE COM CL A 76954A103 28,248 -566 -1.96 388 8.68 0.0003
2025-05-13 2025-03-31 13F RIVIAN AUTOMOTIVE COM CL A 76954A103 28,814 -1,236 -4.11 358 -12.50 0.0004
2025-02-12 2024-12-31 13F RIVIAN AUTOMOTIVE COM CL A 76954A103 30,050 -1,690 -5.32 408 10.87 0.0004
2024-11-13 2024-09-30 13F RIVIAN AUTOMOTIVE COM CL A 76954A103 31,740 5,031 18.84 368 2.79 0.0004
2024-08-12 2024-06-30 13F RIVIAN AUTOMOTIVE COM CL A 76954A103 26,709 -1,822 -6.39 358 14.74 0.0004
2024-05-14 2024-03-31 13F RIVIAN AUTOMOTIVE COM CL A 76954A103 28,531 614 2.20 312 -52.29 0.0004
2024-02-14 2023-12-31 13F RIVIAN AUTOMOTIVE COM CL A 76954A103 27,917 11,343 68.44 655 62.69 0.0008
2023-11-14 2023-09-30 13F RIVIAN AUTOMOTIVE COM CL A 76954A103 16,574 704 4.44 402 52.27 0.0006
2023-08-11 2023-06-30 13F RIVIAN AUTOMOTIVE COM CL A 76954A103 15,870 4,034 34.08 264 44.26 0.0004
2023-05-11 2023-03-31 13F RIVIAN AUTOMOTIVE COM CL A 76954A103 11,836 11,836 183 0.0003
2023-02-10 2022-12-31 13F RIVIAN AUTOMOTIVE COM CL A 76954A103 0 -7,975 -100.00 0 -100.00
2022-11-14 2022-09-30 13F RIVIAN AUTOMOTIVE COM CL A 76954A103 7,975 7,975 262 0.0004
2022-08-11 2022-06-30 13F RIVIAN AUTOMOTIVE COM CL A 76954A103 0 -4,894 -100.00 0 -100.00
2022-05-16 2022-03-31 13F RIVIAN AUTOMOTIVE COM CL A 76954A103 4,894 4,894 255 0.0003
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.