Position in RBRK
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$1,652,296
-$67,603,402 QoQ
Shares Held
33,741
-96.3% QoQ
Ownership
0.016%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Dec 2024
6 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, 2026CallValue
$10,435,507
CallShares
213,100
PutValue
$9,891,940
PutShares
202,000
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, 2026D. E. Shaw & Co., Inc. holds $5,035,455,414 across 84 Software - Infrastructure names. RBRK ranks #61 (0.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | MSFT |
Microsoft Corp
|
6,167,970 | $2,283,197,454 | |
| 2 | PLTR |
Palantir Technologies Inc.
|
3,898,671 | $570,297,593 | |
| 3 | ORCL |
Oracle Corp
|
2,073,332 | $305,007,869 | |
| 4 | NET |
Cloudflare, Inc.
|
1,287,246 | $265,610,339 | |
| 5 | FTNT |
Fortinet, Inc.
|
2,867,337 | $234,318,779 | |
| 6 | MDB |
MongoDB, Inc.
|
931,570 | $228,020,388 | |
| 7 | CRWD |
CrowdStrike Holdings, Inc.
|
1,814,468 | $177,096,612 | |
| 8 | GDDY |
GoDaddy Inc.
|
1,942,980 | $160,626,156 |
All Filings in RBRK
Export CSV
17 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $1,652,296 | 33,741 | Shares | Defined | 2026-05-15 | |
| 2026-03-31 | $9,891,940 | 202,000 | Put | Defined | 2026-05-15 | |
| 2026-03-31 | $10,435,507 | 213,100 | Call | Defined | 2026-05-15 | |
| 2025-12-31 | $27,746,944 | 362,800 | Put | Defined | 2026-02-17 | |
| 2025-12-31 | $19,624,768 | 256,600 | Call | Defined | 2026-02-17 | |
| 2025-12-31 | $69,255,698 | 905,540 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $20,134,800 | 244,800 | Call | Defined | 2025-11-14 | |
| 2025-09-30 | $89,824,649 | 1,092,093 | Shares | Defined | 2025-11-14 | |
| 2025-09-30 | $25,152,050 | 305,800 | Put | Defined | 2025-11-14 | |
| 2025-06-30 | $387,292,373 | 4,322,942 | Shares | Defined | 2025-08-14 | |
| 2025-06-30 | $2,239,750 | 25,000 | Put | Defined | 2025-08-14 | |
| 2025-06-30 | $4,855,778 | 54,200 | Call | Defined | 2025-08-14 | |
| 2025-03-31 | $140,753,548 | 2,308,192 | Shares | Defined | 2025-05-15 | |
| 2025-03-31 | $439,056 | 7,200 | Call | Defined | 2025-05-15 | |
| 2025-03-31 | $487,840 | 8,000 | Put | Defined | 2025-05-15 | |
| 2024-12-31 | $522,880 | 8,000 | Put | Defined | 2025-02-14 | |
| 2024-12-31 | $93,067,541 | 1,423,922 | Shares | Defined | 2025-02-14 | |
| No filing history on record for this holder in this stock. | ||||||