Form 13-F position report

MARVELL TECHNOLOGY INC

Reported by WESTERLY CAPITAL MANAGEMENT LLC

Company profile Manager portfolio Source filing
MRVL CUSIP 573874104 Manager CIK 0001546172
Latest reported change

Reported 200,000 shares, unchanged from the prior quarter.

Reported value 16.6%; share count 0.0% vs. the prior quarter.

Unchanged
% of reported 13F value 5.39% This manager · Q1 2026
Shares 200,000 Quarter-end amount reported
Reported value $19,810,000 Fair value at quarter end
Consecutive quarters held 13 Through Q1 2026

Reported position value by quarter

Reported position value by quarter

Each bar is a Form 13-F quarter-end snapshot. It does not show trades made within the quarter.

Manager history

Quarterly position history

How this manager's reported quarter-end position changed over time.

16 quarters
Quarter Activity Shares Change % of reported 13F Reported value Filed
Q2 2026 Reduced 0 -200,000 (-100.0%) 0 $0 2026-08-14
Q1 2026 Unchanged 200,000 0 (0.0%) 5.39% $19,810,000 2026-05-15
Q4 2025 Added 200,000 +20,000 (11.1%) 3.73% $16,996,000 2026-02-17
Q3 2025 Added 180,000 +90,000 (100.0%) 4.74% $15,132,600 2025-11-14
Q2 2025 Added 90,000 +15,000 (20.0%) 2.58% $6,966,000 2025-08-14
Q1 2025 Added 75,000 +25,000 (50.0%) 2.0% $4,617,750 2025-05-15
Q4 2024 Reduced 50,000 -55,000 (-52.4%) 2.55% $5,522,500 2025-02-14
Q3 2024 Reduced 105,000 -45,000 (-30.0%) 4.26% $7,572,600 2024-11-14
Q2 2024 Added 150,000 +30,000 (25.0%) 5.22% $10,485,000 2024-08-14
Q1 2024 Added 120,000 +20,000 (20.0%) 3.23% $8,505,600 2024-05-15
Q4 2023 Added 100,000 +55,000 (122.2%) 2.98% $6,031,000 2024-02-14
Q3 2023 Reduced 45,000 -15,000 (-25.0%) 1.72% $2,435,850 2023-11-14
Q2 2023 Unchanged 60,000 0 (0.0%) 1.89% $3,586,800 2023-08-14
Q1 2023 New 60,000 +60,000 (0.0%) 1.86% $2,598,000 2023-05-15
Q1 2022 Reduced 0 -40,000 (-100.0%) 0 $0 2022-05-16
Q4 2021 New 40,000 +40,000 (0.0%) 2.3% $3,500,000 2022-02-14
Institutional context

Who else reported the position

1702 managers reported MARVELL TECHNOLOGY INC for Q1 2026.

Manager Activity Shares Change % of reported 13F Reported value Tenure
FMR LLC Added 131,255,670 +4,438,241 0.68% $13,000,874,085 20 qtrs
BlackRock Inc Added 63,842,984 +4,036,492 0.11% $6,323,647,594 7 qtrs
VANGUARD CAPITAL MANAGEMENT LLC New 39,105,225 +39,105,225 0.1% $3,873,372,537 1 qtr
VANGUARD PORTFOLIO MANAGEMENT LLC New 33,218,111 +33,218,111 0.17% $3,290,253,895 1 qtr
Invesco Ltd Reduced 28,807,696 -394,148 0.28% $2,853,402,322 20 qtrs
STATE STREET CORPORATION Added 23,338,406 +503,590 0.08% $2,311,669,114 20 qtrs
AMERIPRISE FINANCIAL INC Added 20,844,639 +3,697,707 0.48% $2,064,664,686 20 qtrs
GEODE CAPITAL MANAGEMENT LLC Added 12,584,552 +476,100 0.08% $1,242,215,873 20 qtrs
FRANKLIN RESOURCES INC Reduced 11,369,038 -181,925 0.28% $1,126,103,215 20 qtrs
The Goldman Sachs Group Inc Added 11,248,027 +783,240 0.13% $1,114,117,016 20 qtrs
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Filing details and methodology As reported
Report period
March 31, 2026
Filed
May 15, 2026
Filing type
13F-HR
Position type
COM

Voting authority reported

Sole
200,000
Shared
0
None
0

“None” means the manager reported no voting authority for those shares on non-routine matters. It does not disclose why and is not evidence of securities lending.

Form 13-F is a delayed quarter-end snapshot of disclosed long Section 13(f) securities. It can be filed up to 45 days after quarter end, excludes short positions and most non-U.S. securities, and does not reveal intra-quarter trading. For options, reported shares and value describe the underlying-share exposure; strike, expiry, premium, and written positions are not disclosed.