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WELLINGTON MANAGEMENT GROUP LLP

Position in RMBS — Rambus Inc

CIK 902219 Boston, MA

Position in RMBS

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$73,693,124
-$12,126,069 QoQ
Shares Held
856,598
-8.3% QoQ
Ownership
0.792%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority Sole 0.ToString("F0")% Shared 74.79984776989906.ToString("F0")% None 25.200152230100937.ToString("F0")%

Common Shares in RMBS Over Time

Shares Held

Position Value (USD)

Position in Semiconductors

Technology · as of Mar 31, 2026

WELLINGTON MANAGEMENT GROUP LLP holds $53,826,742,414 across 36 Semiconductors names. RMBS ranks #21 (0.1% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in RMBS

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25 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $73,693,124 856,598
2025-12-31 $85,819,193 933,934
2025-09-30 $78,196,472 750,446
2025-06-30 $77,257,157 1,206,766
2025-03-31 $61,827,700 1,194,046
2024-12-31 $65,992,802 1,248,445
2024-09-30 $61,587,621 1,458,731
2024-06-30 $364,494,035 6,203,098
2024-03-31 $254,514,292 4,117,688
2023-12-31 $268,490,243 3,933,923
2023-09-30 $99,558,760 1,784,527
2023-06-30 $120,113,275 1,871,798
2023-03-31 $126,408,849 2,466,033
2022-12-31 $97,865,684 2,732,152
2022-09-30 $67,332,849 2,648,814
2022-06-30 $51,350,504 2,389,507
2022-03-31 $71,621,463 2,245,891
2021-12-31 $70,248,329 2,390,212
2021-09-30 $53,151,039 2,394,191
2021-06-30 $57,823,923 2,438,799
2021-03-31 $44,144,175 2,270,791
2020-12-31 $38,489,853 2,204,459
2020-09-30 $31,587,537 2,307,344
2020-06-30 $30,238,620 1,989,383
2020-03-31 $21,364,469 1,924,727