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TUDOR INVESTMENT CORP ET AL

Position in RMBS — Rambus Inc

CIK 923093 STAMFORD, CT

Position in RMBS

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$20,860,754
+$11,524,271 QoQ
Shares Held
157,155
+54.7% QoQ
Ownership
0.145%
of shares outstanding
% of Portfolio
0.10%
of 13F equity value
Holder Rank
#79
of 618 holders
Holding Since
Dec 2020
12 quarters on record
Voting authority Sole 50% Shared 50% None 0%

Common Shares in RMBS Over Time

Shares Held

Position Value (USD)

Derivatives in RMBS

reported options exposure · as of Jun 30, 2026
CallValue
$451,316
CallShares
3,400
PutValue
$0
PutShares
0

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Semiconductors

Technology · as of Jun 30, 2026

TUDOR INVESTMENT CORP ET AL holds $2,567,552,255 across 38 Semiconductors names. RMBS ranks #18 (0.8% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in RMBS

Export CSV
23 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $451,316 3,400
2026-06-30 $20,860,754 157,155
2025-12-31 $771,876 8,400
2025-12-31 $9,336,483 101,605
2025-09-30 $771,080 7,400
2025-09-30 $896,120 8,600
2025-06-30 $224,070 3,500
2025-06-30 $684,309 10,689
2025-03-31 $424,596 8,200
2024-12-31 $877,476 16,600
2024-12-31 $1,863,632 35,256
2024-09-30 $202,656 4,800
2024-09-30 $4,945,904 117,146
2024-09-30 $282,874 6,700
2023-06-30 $1,405,323 21,900
2023-06-30 $3,463,704 53,977
2023-06-30 $352,935 5,500
2023-03-31 $2,992,917 58,387
2023-03-31 $435,710 8,500
2023-03-31 $609,994 11,900
2021-12-31 $401,878 13,674
2021-09-30 $562,969 25,359
2020-12-31 $2,594,940 148,622