Position in RBRK
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$45,038,284
-$68,241,274 QoQ
Shares Held
561,015
-75.7% QoQ
Ownership
0.271%
of shares outstanding
% of Portfolio
0.04%
of 13F equity value
Holder Rank
#44
of 573 holders
Holding Since
Jun 2024
9 quarters on record
Voting authority
Sole 99%
Shared 0%
None 1%
Common Shares in RBRK Over Time
Shares Held
Position Value (USD)
Derivatives in RBRK
reported options exposure · as of Jun 30, 2026CallValue
$626,184
CallShares
7,800
PutValue
$802,800
PutShares
10,000
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 Jun 30, 2026TWO SIGMA INVESTMENTS, LP holds $5,007,565,772 across 97 Software - Infrastructure names. RBRK ranks #20 (0.9% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | MSFT |
Microsoft Corp
|
1,829,283 | $682,359,144 | |
| 2 | NET |
Cloudflare, Inc.
|
2,586,183 | $634,338,966 | |
| 3 | PLTR |
Palantir Technologies Inc.
|
3,544,053 | $413,484,663 | |
| 4 | CRWV |
CoreWeave, Inc.
|
3,431,074 | $341,529,105 | |
| 5 | FTNT |
Fortinet, Inc.
|
2,171,408 | $333,571,696 | |
| 6 | DOCN |
DigitalOcean Holdings, Inc.
|
1,886,632 | $296,257,822 | |
| 7 | GDDY |
GoDaddy Inc.
|
3,485,477 | $295,847,287 | |
| 8 | CORZ |
Core Scientific, Inc./tx
|
10,275,907 | $262,960,460 |
All Filings in RBRK
Export CSV
12 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $45,038,284 | 561,015 | Shares | Sole | 2026-08-14 | |
| 2026-06-30 | $802,800 | 10,000 | Put | Sole | 2026-08-14 | |
| 2026-06-30 | $626,184 | 7,800 | Call | Sole | 2026-08-14 | |
| 2026-03-31 | $244,850 | 5,000 | Call | Sole | 2026-05-15 | |
| 2026-03-31 | $113,279,558 | 2,313,244 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $54,780,100 | 716,267 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $4,852,750 | 59,000 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $101,650,964 | 1,134,624 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $27,168,724 | 445,535 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $42,441,450 | 649,349 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $459,745 | 14,300 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $438,438 | 14,300 | Shares | Sole | 2024-08-14 | |
| No filing history on record for this holder in this stock. | ||||||