RBRK

RUBRIK INC-A
USCUSIP 781154109
Institutional Owners
176
+29 QoQ
13F Value Held
$1.4B
Insider Net · 180d
-$20.1M
0↑ 3↓
Recent Filings
4
Smart-money sentimentMixed
BearishBullish
13F funds (latest Q)65 adding · 28 trimming
Insider net (180d)−$20.1M
Price history not yet available for RBRK.

Top institutional holders

176 13F filers
#FundPosition valueSharesLast moveAs of
1VANGUARD PORTFOLIO MANAGEMENT LLC
$393.2M
8.03MNewQ1 2026
2VANGUARD CAPITAL MANAGEMENT LLC
$321.0M
6.56MNewQ1 2026
3STATE STREET CORP
$125.7M
2.57MAddedQ1 2026
4Champlain Investment Partners, LLC
$61.7M
1.26MNewQ1 2026
5VANGUARD FIDUCIARY TRUST CO
$46.5M
949.4KNewQ1 2026
6BANK OF NOVA SCOTIA
$35.6M
726.7KReducedQ1 2026
7Stephens Investment Management Group LLC
$34.2M
699.4KAddedQ1 2026
8Atreides Management, LP
$27.7M
566.5KReducedQ1 2026
9Holocene Advisors, LP
$27.2M
555.7KAddedQ1 2026
10ALKEON CAPITAL MANAGEMENT LLC
$24.5M
500.0KReducedQ1 2026
11Trexquant Investment LP
$21.7M
443.7KAddedQ1 2026
12ARK Investment Management LLC
$19.3M
395.0KReducedQ1 2026
13Beacon Pointe Advisors, LLC
$19.2M
392.1KAddedQ1 2026
14CITADEL ADVISORS LLC
$16.8M
343.0KReducedQ1 2026
15TIGER GLOBAL MANAGEMENT LLC
$16.3M
250.0KHeldQ4 2024
16Fiera Capital Corp
$15.4M
313.5KReducedQ1 2026
17Junto Capital Management LP
$14.4M
294.5KNewQ1 2026
18Freestone Grove Partners LP
$11.9M
243.7KHeldQ1 2026
19SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC
$9.8M
200.0KReducedQ1 2026
20Connor, Clark & Lunn Investment Management Ltd.
$8.9M
182.3KReducedQ1 2026
21MAVERICK CAPITAL LTD
$6.1M
200.0KNewQ2 2024
22Hudson Bay Capital Management LP
$6.1M
124.0KHeldQ1 2026
23STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM
$5.5M
111.5KAddedQ1 2026
24Private Advisor Group, LLC
$4.9M
99.1KAddedQ1 2026
25Police & Firemen's Retirement System of New Jersey
$4.3M
56.7KNewQ4 2025

Fund activity — latest quarter

Opened (NEW)
29
funds
Added
36
funds
Reduced
28
funds
Exited
0
funds

Insider activity (Form 4)

Full insider page →
Buys · 180d
$0
0 insiders
Sells · 180d
$20.1M
3 insiders
Net
-$20.1M
29 P/S txns
Signal
Net Selling
open-market
DateInsiderRoleActionSharesValue
Jun 3, 2026Wassenaar YvonneDirectoracquired (A)3.7K$0
Jun 3, 2026Wassenaar YvonneDirectordisposed (C)721$0
Jun 3, 2026Herren Richard ScottDirectoracquired (A)3.7K$0
Jun 3, 2026THOMPSON JOHN WENDELLDirectoracquired (A)3.7K$0
Jun 3, 2026Wassenaar YvonneDirectoracquired (C)721$0
Jun 3, 2026Nithrakashyap ArvindChief Technology Officer, DirectorSell (S)1.7K$132K
Jun 3, 2026Nithrakashyap ArvindChief Technology Officer, DirectorSell (S)4.2K$335K
Jun 3, 2026Nithrakashyap ArvindChief Technology Officer, DirectorSell (S)5.7K$450K
Jun 3, 2026Nithrakashyap ArvindChief Technology Officer, DirectorSell (S)192$15K
Jun 3, 2026Wassenaar YvonneDirectorSell (S)721$58K
Jun 3, 2026Nithrakashyap ArvindChief Technology Officer, Directordisposed (C)12.8K$0
Jun 3, 2026Nithrakashyap ArvindChief Technology Officer, Directoracquired (C)12.8K$0

Institutional ownership over time

164 funds+160 since Q2 2024
082164Q2 2024Q4 2024Q2 2025Q4 2025Q1 2026
funds holding aggregate valuelatest $1.0B

Funds that own RBRK also own

CompanyCo-held byCombined value
Nvidia Corp. (US)NVDA163 funds$262.2B
Microsoft CorporationMSFT163 funds$176.6B
Amazon.com, Inc.AMZN162 funds$133.1B
Broadcom LtdAVGO162 funds$90.8B
EASTGROUP PPTYS INCGOOGL160 funds$107.6B
Meta Platforms, Inc.META160 funds$80.8B
Mastercard Inc-Class AMA157 funds$30.1B
Apple Inc.AAPL156 funds$224.7B
VANGUARD BD INDEX FDSTSLA156 funds$62.6B
LILLY ELI & COLLY156 funds$48.1B
Visa Inc.V156 funds$38.3B
CANADIAN NATL RY COAMD155 funds$23.1B

Ranked by how many of RBRK's institutional holders also hold each name — a cross-fund conviction signal. Via the MCP server (ticker.co_held).

Recent filings

4 shown

13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for RBRK. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes. Every panel above is one call to the Arkolith API & MCP server.