Arista Networks, Inc.
MX ˙ BMV ˙ US0404132054
SecurityMX:ANET / Arista Networks, Inc.
InstitutionRobbins Farley Llc
Latest Disclosed Ownership37,167 shares
Latest Disclosed Value $ 4,563,365
Robbins Farley Llc reports 1.42% increase in ownership of ANET / Arista Networks, Inc.

On April 17, 2026 - Robbins Farley Llc filed a 13F-HR form disclosing ownership of 37,167 shares of Arista Networks, Inc. (MX:ANET) valued at $4,563,365 USD as of March 31, 2026. The entity filed a previous 13F-HR on January 23, 2026 disclosing 36,646 shares of Arista Networks, Inc.. This represents a change in shares of 1.42% 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)
2026-04-17 2026-03-31 13F ARISTA NETWORKS COM SHS 040413205 37,167 521 1.42 4,563 -4.96 2.0199
2026-01-23 2025-12-31 13F ARISTA NETWORKS COM SHS 040413205 36,646 -3,940 -9.71 4,802 -18.81 2.1774
2025-10-15 2025-09-30 13F ARISTA NETWORKS COM SHS 040413205 40,586 -6,049 -12.97 5,914 23.94 2.4589
2025-07-17 2025-06-30 13F ARISTA NETWORKS COM SHS 040413205 46,635 10,066 27.53 4,771 68.41 2.2206
2025-04-16 2025-03-31 13F ARISTA NETWORKS COM SHS 040413205 36,569 -6,551 -15.19 2,833 -40.56 1.5035
2025-01-27 2024-12-31 13F ARISTA NETWORKS COM SHS 040413205 43,120 35,859 493.86 4,766 71.07 2.2689
2024-10-16 2024-09-30 13F ARISTA NETWORKS COM 040413106 7,261 49 0.68 2,787 10.25 1.4035
2024-07-17 2024-06-30 13F ARISTA NETWORKS COM 040413106 7,212 281 4.05 2,528 25.78 1.3430
2024-04-16 2024-03-31 13F ARISTA NETWORKS COM 040413106 6,931 553 8.67 2,010 33.75 1.0580
2024-02-01 2023-12-31 13F ARISTA NETWORKS COM 040413106 6,378 -728 -10.24 1,502 14.92 0.9009
2023-10-24 2023-09-30 13F ARISTA NETWORKS COM 040413106 7,106 -304 -4.10 1,307 8.92 0.8825
2023-08-07 2023-06-30 13F ARISTA NETWORKS COM 040413106 7,410 -172 -2.27 1,201 -5.66 0.8307
2023-05-04 2023-03-31 13F ARISTA NETWORKS COM 040413106 7,582 -1,797 -19.16 1,273 11.78 0.8500
2023-02-07 2022-12-31 13F ARISTA NETWORKS COM 040413106 9,379 9,379 1,138 0.8798
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.