Arteris, Inc.
DE ˙ DB ˙ US04302A1043
SecurityDE:3CN / Arteris, Inc.
InstitutionMorgan Stanley
Latest Disclosed Ownership373,231 shares
Latest Disclosed Value $ 6,135,932
Morgan Stanley reports 52.53% increase in ownership of 3CN / Arteris, Inc.

On May 15, 2026 - Morgan Stanley filed a 13F-HR form disclosing ownership of 373,231 shares of Arteris, Inc. (DE:3CN) valued at $6,135,932 USD as of March 31, 2026. The entity filed a previous 13F-HR/A on May 27, 2026 disclosing 244,695 shares of Arteris, Inc.. This represents a change in shares of 52.53% 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)
2026-05-15 2026-03-31 13F ARTERIS COM 04302A104 373,231 128,536 52.53 6,136 61.79 0.0004
2026-05-27 2025-12-31 13F/A-1 ARTERIS COM 04302A104 244,695 -137,717 -36.01 3,793 -1.81 0.0002
2026-02-13 2025-12-31 13F ARTERIS COM 04302A104 244,695 -137,717 3,793 0.0002
2026-05-27 2025-09-30 13F/A-1 ARTERIS COM 04302A104 382,412 7,689 2.05 3,862 8.15 0.0002
2025-11-14 2025-09-30 13F ARTERIS COM 04302A104 382,412 7,689 3,862 0.0002
2025-08-15 2025-06-30 13F ARTERIS COM 04302A104 374,723 245,257 189.44 3,571 299.44 0.0002
2025-05-15 2025-03-31 13F ARTERIS COM 04302A104 129,466 29,668 29.73 895 -12.01 0.0001
2025-05-15 2024-12-31 13F/A-1 ARTERIS COM 04302A104 99,798 -4,294 -4.13 1,017 26.53 0.0001
2025-02-14 2024-12-31 13F ARTERIS COM 04302A104 99,798 -4,294 1,017 0.0001
2025-05-14 2024-09-30 13F/A-2 ARTERIS COM 04302A104 104,092 48,373 86.82 804 92.11 0.0001
2025-02-14 2024-09-30 13F/A-1 ARTERIS COM 04302A104 104,092 48,373 804 0.0001
2024-11-14 2024-09-30 13F ARTERIS COM 04302A104 104,092 48,373 804 0.0000
2025-05-14 2024-06-30 13F/A-2 ARTERIS COM 04302A104 55,719 9,780 21.29 418 24.40 0.0000
2024-10-17 2024-06-30 13F/A-1 ARTERIS COM 04302A104 55,719 9,780 418 0.0000
2024-08-14 2024-06-30 13F ARTERIS COM 04302A104 55,719 9,780 418 0.0000
2024-10-17 2024-03-31 13F/A-2 ARTERIS COM 04302A104 45,939 -10,636 -18.80 336 0.90 0.0000
2024-08-16 2024-03-31 13F/A-1 ARTERIS COM 04302A104 45,939 -10,636 336 0.0000
2024-05-15 2024-03-31 13F ARTERIS COM 04302A104 45,939 -10,636 336 0.0000
2024-08-16 2023-12-31 13F/A-1 ARTERIS COM 04302A104 56,575 9,390 19.90 333 8.47 0.0000
2024-02-13 2023-12-31 13F ARTERIS COM 04302A104 56,575 9,390 333 0.0000
2023-11-15 2023-09-30 13F ARTERIS COM 04302A104 47,185 -9,249 -16.39 307 -20.05 0.0000
2023-08-14 2023-06-30 13F ARTERIS COM 04302A104 56,434 -17,087 -23.24 385 23.87 0.0000
2023-05-15 2023-03-31 13F ARTERIS COM 04302A104 73,521 15,230 26.13 311 24.00 0.0000
2023-02-14 2022-12-31 13F ARTERIS COM 04302A104 58,291 52,426 893.88 251 541.03 0.0000
2022-11-14 2022-09-30 13F ARTERIS COM 04302A104 5,865 -9,011 -60.57 39 -62.50 0.0000
2022-10-27 2022-06-30 13F/A-1 ARTERIS COM 04302A104 14,876 13,725 1,192.44 104 550.00 0.0000
2022-08-15 2022-06-30 13F ARTERIS COM 04302A104 14,876 13,725 104 0.0000
2022-10-27 2022-03-31 13F/A-1 ARTERIS COM 04302A104 1,151 -6,334 -84.62 16 -89.87 0.0000
2022-05-13 2022-03-31 13F ARTERIS COM 04302A104 1,151 -6,334 16 0.0000
2022-02-14 2021-12-31 13F ARTERIS COM 04302A104 7,485 7,485 158 0.0000
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.