Rubrik, Inc. - CLASS A COMMON STOCK (RBRK)

CUSIP: 781154109

Q2 2026 13F Holders as of 30 Jun 2026

Holder snapshot 7 signals
Share change
+14,040,566
Put/Call ratio
56%
SEC-reported price per share
$80.28
Number of holders
574
Value change
+$1,332,554,819
Number of buys
399
Open additional details 1 more signal available
Number of sells
192
Security identity Names, identifiers, and filing context for this profile. 1 source field
Shares outstanding
167,849,151

Security key

781154109

Report period

Q2 2026

Institutions

574

Top holders

10

Ownership snapshot

Top reported holders of RBRK - Rubrik, Inc. - CLASS A COMMON STOCK (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
Arvind Nithrakashyap
Disclosed value leader
Lightspeed SPV I-B, LLC
Comparable rows
7/15
Latest evidence
30 Jun 2026
13D/G 13F 3/4/5 Lead comparable stake: 12% 8 rows are not safely comparable across share classes. 13D/G row: Arvind Nithrakashyap Showing 1-6 of 15 holder rows.

Quick read

Arvind Nithrakashyap leads the comparable SEC ownership view at 12%.

7 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens Arvind Nithrakashyap's linked filing trail.
Comparable ownership Top 5
Arvind Nithrakashyap 12%
VANGUARD GROUP INC 9.2%
Bipul Sinha 8.9%
AQR CAPITAL MANAGEMENT LLC 6.2%
NORGES BANK 4.9%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
Arvind Nithrakashyap
13D/G
12%
Reported 13D/G · 31 Dec 2024
$802,422,708
11,343,267 shares
$0 31 Dec 2024
VANGUARD GROUP INC
13D/G
The Vanguard Group
9.2%
Reported 13D/G · 30 Sep 2025
$1,070,586,398
13,016,248 shares
+$20,277,175 30 Sep 2025
Bipul Sinha
13D/G
8.9%
Reported 13D/G · 12 Sep 2025
$1,309,499,697
13,791,466 shares
+$41,225,486 12 Sep 2025
AQR CAPITAL MANAGEMENT LLC
13D/G 13F
Company
6.2%
Reported 13D/G · 30 Jun 2026
$839,650,699
9,948,468 shares
$0 30 Jun 2026
NORGES BANK
13D/G
4.9%
Reported 13D/G · 31 Dec 2024
$300,228,058
4,244,106 shares
$0 31 Dec 2024
Greylock XIV Limited Partnership
13D/G
Greylock XIV GP LLC
3.9%
Reported 13D/G · 30 Jun 2025
$420,487,588
4,973,830 shares
-$420,487,504 30 Jun 2025
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q2 2026

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions
574
Shares
130,189,022
Rows available
574
Investor Option Weight % Change % SEC-reported value * Price Shares Share Change Activity Report Period

* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q2 2026 vs Q1 2026 Across Filers

Q1 2026 holders
465
Q2 2026 holders
574
Holder diff
109
Investor Q1 2026 Shares Q2 2026 Shares Share Diff Share Chg % Q1 2026 value Q2 2026 value Value change Value Chg %
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