RBRK
RUBRIK-A (RBRK)
NYSE
$74.36+$3.83 (+5.43%)
Price as of Jun 23, 2026 3:34 PM EDT
  • $11.4B
    Market Cap
  • -21.38%
    1-Year Change
  • Software - Infrastructure
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
VANGUARD GROUP INC
7.14%
14.7M
+1.7M (+11.42%)
Dec 31, 2025
BLACKROCK, INC.
4.28%
8.8M
-2.9M (-32.89%)
Mar 31, 2026
FMR LLC
4.01%
8.3M
+3.0M (+36.19%)
Mar 31, 2026
N/A
3.90%
8.0M
+8.0M (+100.00%)
Mar 31, 2026
FIRST TRUST ADVISORS LP
2.38%
4.9M
-2.2M (-44.29%)
Mar 31, 2026
NORGES BANK
2.20%
4.5M
+4.5M (+100.00%)
Dec 31, 2025
VOYA INVESTMENT MANAGEMENT LLC
1.82%
3.7M
-93,123 (-2.49%)
Mar 31, 2026

Current Ownership Distribution

  • Institutions570.8M (60.05%)
  • Mutual Funds337.9M (35.54%)
  • Insiders41.9M (4.41%)
  • Other0 (0.00%)

Insider Transactions

  • 4.41% (41.9M)
    Current InsiderOwnership (%, shares)
  • 1
    Number of InsiderBuying (last 12 months)
  • $141,677.21
    Amount of InsiderBuying (last 12 months)
  • 9
    Number of InsiderSelling (last 12 months)
  • $1.7B
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
Choudary Kiran Kumar
Chief Financial Officer
In Kind
Jun 16, 2026
$976,711.05
13,995
$69.79
1.0M
Choudary Kiran Kumar
Chief Financial Officer
Exempt
Apr 07, 2026
$0.00
5,000
$0.00
31,450
Choudary Kiran Kumar
Chief Financial Officer
Exempt
Apr 07, 2026
$0.00
5,000
$0.00
5,000
Choudary Kiran Kumar
Chief Financial Officer
Conversion
Apr 07, 2026
$0.00
5,000
$0.00
0
Choudary Kiran Kumar
Chief Financial Officer
Conversion
Apr 07, 2026
$0.00
5,000
$0.00
569,901
Choudary Kiran Kumar
Chief Financial Officer
Sell
Apr 07, 2026
$197,574.00
3,900
$50.66
566,001
Choudary Kiran Kumar
Chief Financial Officer
Sell
Apr 07, 2026
$515,100.00
10,000
$51.51
556,001
Choudary Kiran Kumar
Chief Financial Officer
Sell
Apr 07, 2026
$273,260.00
5,200
$52.55
550,801
Choudary Kiran Kumar
Chief Financial Officer
Sell
Apr 07, 2026
$47,799.00
900
$53.11
549,901
MCLAUGHLIN MARK D
Buy
Mar 30, 2026
$502,219.98
10,638
$47.21
13,639
Nithrakashyap Arvind
Chief Technology Officer
Exempt
Mar 24, 2026
$0.00
40,625
$0.00
0
Nithrakashyap Arvind
Chief Technology Officer
Exempt
Mar 24, 2026
$0.00
40,625
$0.00
10.3M
Nithrakashyap Arvind
Chief Technology Officer
Conversion
Mar 24, 2026
$0.00
40,625
$0.00
10.2M
Nithrakashyap Arvind
Chief Technology Officer
Conversion
Mar 24, 2026
$0.00
40,625
$0.00
377,635
Nithrakashyap Arvind
Chief Technology Officer
Sell
Mar 24, 2026
$1.4M
28,967
$48.20
348,668
THOMPSON JOHN WENDELL
Exempt
Mar 02, 2026
$0.00
11,000
$0.00
132,946
THOMPSON JOHN WENDELL
Exempt
Mar 02, 2026
$0.00
11,000
$0.00
61,001
THOMPSON JOHN WENDELL
Conversion
Mar 02, 2026
$0.00
11,000
$0.00
50,001
THOMPSON JOHN WENDELL
Sell
Mar 02, 2026
$10,374.00
200
$51.87
24,800
THOMPSON JOHN WENDELL
Sell
Mar 02, 2026
$53,330.00
1,000
$53.33
23,800
THOMPSON JOHN WENDELL
Sell
Mar 02, 2026
$70,174.00
1,300
$53.98
22,500
THOMPSON JOHN WENDELL
Conversion
Mar 02, 2026
$0.00
11,000
$0.00
15,653
THOMPSON JOHN WENDELL
Sell
Mar 02, 2026
$26,010.00
500
$52.02
15,153
THOMPSON JOHN WENDELL
Sell
Mar 02, 2026
$232,974.30
4,371
$53.30
10,782
THOMPSON JOHN WENDELL
Sell
Mar 02, 2026
$330,782.13
6,129
$53.97
4,653
Choudary Kiran Kumar
Chief Financial Officer
Exempt
Feb 18, 2026
$0.00
5,000
$0.00
36,450
Choudary Kiran Kumar
Chief Financial Officer
Exempt
Feb 18, 2026
$0.00
5,000
$0.00
5,000
Choudary Kiran Kumar
Chief Financial Officer
Conversion
Feb 18, 2026
$0.00
5,000
$0.00
0
Choudary Kiran Kumar
Chief Financial Officer
Conversion
Feb 18, 2026
$0.00
5,000
$0.00
494,959
Choudary Kiran Kumar
Chief Financial Officer
Sell
Feb 18, 2026
$47,295.00
900
$52.55
494,059