Position in RBRK
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$9,794,000
-$65,538,800 QoQ
Shares Held
200,000
-79.7% QoQ
Ownership
0.097%
of shares outstanding
% of Portfolio
0.46%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Sep 2024
7 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 Dec 31, 2025CallValue
$6,118,400
CallShares
80,000
PutValue
$0
PutShares
0
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, 2026SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC holds $261,354,847 across 10 Software - Infrastructure names. RBRK ranks #7 (3.7% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | DOCN |
DigitalOcean Holdings, Inc.
|
937,147 | $80,388,469 | |
| 2 | AKAM |
Akamai Technologies Inc
|
583,000 | $66,957,550 | |
| 3 | IOT |
Samsara Inc.
|
1,288,431 | $40,830,378 | |
| 4 | NET |
Cloudflare, Inc.
|
108,000 | $22,284,720 | |
| 5 | MDB |
MongoDB, Inc.
|
50,000 | $12,238,500 | |
| 6 | AEVA |
Aeva Technologies, Inc.
|
920,000 | $12,107,200 | |
| 7 | RBRK |
Rubrik, Inc.
This page
|
200,000 | $9,794,000 | |
| 8 | FFIV |
F5, Inc.
|
23,000 | $6,654,590 |
All Filings in RBRK
Export CSV
15 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $9,794,000 | 200,000 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $75,332,800 | 985,000 | Shares | Sole | 2026-02-17 | |
| 2025-12-31 | $6,118,400 | 80,000 | Call | Sole | 2026-02-17 | |
| 2025-09-30 | $74,744,276 | 908,745 | Shares | Sole | 2025-11-14 | |
| 2025-09-30 | $27,455,050 | 333,800 | Put | Sole | 2025-11-14 | |
| 2025-09-30 | $16,450,000 | 200,000 | Call | Sole | 2025-11-14 | |
| 2025-06-30 | $61,279,560 | 684,000 | Put | Sole | 2025-08-14 | |
| 2025-06-30 | $89,085,697 | 994,371 | Shares | Sole | 2025-08-14 | |
| 2025-06-30 | $3,583,600 | 40,000 | Call | Sole | 2025-08-14 | |
| 2025-03-31 | $18,294,000 | 300,000 | Put | Sole | 2025-05-15 | |
| 2025-03-31 | $77,298,491 | 1,267,604 | Shares | Sole | 2025-05-15 | |
| 2025-03-31 | $4,573,500 | 75,000 | Call | Sole | 2025-05-15 | |
| 2024-12-31 | $9,804,000 | 150,000 | Put | Sole | 2025-02-14 | |
| 2024-12-31 | $84,641,200 | 1,295,000 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $33,147,550 | 1,031,028 | Shares | Sole | 2024-11-14 | |
| No filing history on record for this holder in this stock. | ||||||