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MILLENNIUM MANAGEMENT LLC

Position in RMBS — Rambus Inc

CIK 1273087 NEW YORK, NY

Position in RMBS

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$62,761,861
+$50,604,618 QoQ
Shares Held
472,818
+234.6% QoQ
Ownership
0.437%
of shares outstanding
% of Portfolio
0.05%
of 13F equity value
Holder Rank
#37
of 618 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 100% Shared 0% 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
$371,672
CallShares
2,800
PutValue
$5,057,394
PutShares
38,100

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

MILLENNIUM MANAGEMENT LLC holds $8,572,617,518 across 57 Semiconductors names. RMBS ranks #26 (0.7% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in RMBS

Export CSV
35 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $371,672 2,800
2026-06-30 $5,057,394 38,100
2026-06-30 $62,761,861 472,818
2026-03-31 $430,150 5,000
2026-03-31 $12,157,243 141,314
2025-12-31 $1,249,704 13,600
2025-12-31 $1,323,216 14,400
2025-12-31 $24,128,292 262,578
2025-09-30 $20,551,574 197,232
2025-09-30 $1,563,000 15,000
2025-09-30 $333,440 3,200
2025-06-30 $26,793,138 418,512
2025-03-31 $12,224,999 236,095
2024-12-31 $31,454,607 595,055
2024-09-30 $39,543,083 936,596
2024-06-30 $2,189,280 37,258
2024-03-31 $720,333 11,654
2024-03-31 $778,806 12,600
2023-12-31 $873,600 12,800
2023-12-31 $126,533,384 1,853,969
2023-09-30 $11,272,983 202,061
2023-06-30 $31,031,713 483,586
2023-03-31 $40,468,539 789,476
2022-12-31 $17,038,893 475,681
2022-09-30 $255,877 10,066
2022-06-30 $12,270,854 571,003
2022-03-31 $18,029,234 565,357
2021-12-31 $22,866,419 778,034
2021-09-30 $19,102,722 860,483
2021-06-30 $7,189,180 303,213
2021-03-31 $499,024 25,670
2020-12-31 $6,999,329 400,878
2020-09-30 $3,925,265 286,725
2020-06-30 $13,754,510 904,902
2020-03-31 $289,232 26,057