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D. E. Shaw & Co., Inc.

Position in RBRK — Rubrik, Inc.

CIK 1009207 New York, NY

Position in RBRK

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$2,686,489
+$1,034,193 QoQ
Shares Held
33,464
-0.8% QoQ
Ownership
0.016%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#197
of 573 holders
Holding Since
Dec 2024
7 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in RBRK Over Time

Shares Held

Position Value (USD)

Derivatives in RBRK

reported options exposure · as of Jun 30, 2026
CallValue
$18,151,308
CallShares
226,100
PutValue
$16,240,644
PutShares
202,300

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 Software - Infrastructure

Technology · as of Jun 30, 2026

D. E. Shaw & Co., Inc. holds $7,171,193,509 across 86 Software - Infrastructure names. RBRK ranks #59 (0.0% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in RBRK

Export CSV
20 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $2,686,489 33,464
2026-06-30 $16,240,644 202,300
2026-06-30 $18,151,308 226,100
2026-03-31 $1,652,296 33,741
2026-03-31 $9,891,940 202,000
2026-03-31 $10,435,507 213,100
2025-12-31 $27,746,944 362,800
2025-12-31 $19,624,768 256,600
2025-12-31 $69,255,698 905,540
2025-09-30 $20,134,800 244,800
2025-09-30 $89,824,649 1,092,093
2025-09-30 $25,152,050 305,800
2025-06-30 $387,292,373 4,322,942
2025-06-30 $2,239,750 25,000
2025-06-30 $4,855,778 54,200
2025-03-31 $140,753,548 2,308,192
2025-03-31 $439,056 7,200
2025-03-31 $487,840 8,000
2024-12-31 $522,880 8,000
2024-12-31 $93,067,541 1,423,922