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JANE STREET GROUP, LLC

Position in RBRK — Rubrik, Inc.

CIK 1595888 NEW YORK, NY

Position in RBRK

as of Mar 31, 2026 · filed May 12, 2026
Position Value
$219,924
-$158,727 QoQ
Shares Held
4,491
-9.3% QoQ
Ownership
0.002%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Jun 2024
8 quarters on record
Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in RBRK Over Time

Shares Held

Position Value (USD)

Derivatives in RBRK

reported options exposure · as of Mar 31, 2026
CallValue
$77,945,549
CallShares
1,591,700
PutValue
$57,613,205
PutShares
1,176,500

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 Mar 31, 2026

JANE STREET GROUP, LLC holds $4,244,103,090 across 105 Software - Infrastructure names. RBRK ranks #86 (0.0% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in RBRK

Export CSV
22 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $57,613,205 1,176,500
2026-03-31 $219,924 4,491
2026-03-31 $77,945,549 1,591,700
2025-12-31 $100,479,424 1,313,800
2025-12-31 $87,416,640 1,143,000
2025-12-31 $378,651 4,951
2025-09-30 $7,146,619 86,889
2025-09-30 $98,551,950 1,198,200
2025-09-30 $117,971,175 1,434,300
2025-06-30 $19,817,308 221,200
2025-06-30 $12,847,206 143,400
2025-06-30 $5,558,969 62,049
2025-03-31 $13,971,980 229,124
2025-03-31 $9,482,390 155,500
2025-03-31 $15,470,626 253,700
2024-12-31 $19,719,112 301,700
2024-12-31 $7,999,278 122,388
2024-12-31 $1,457,528 22,300
2024-09-30 $2,307,082 71,760
2024-09-30 $1,257,065 39,100
2024-09-30 $446,885 13,900
2024-06-30 $848,668 27,680