428 hedge funds and large institutions have $8.43B invested in Rubrik in 2025 Q3 according to their latest regulatory filings, with 128 funds opening new positions, 175 increasing their positions, 81 reducing their positions, and 81 closing their positions.

New
Increased
Maintained
Reduced
Closed

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding

Funds holding:

less call options, than puts

Call options by funds: $ | Put options by funds: $

6% less capital invested

Capital invested by funds: $8.93B → $8.43B (-$503M)

63% less funds holding in top 10

Funds holding in top 10: 197 (-12)

70.47% less ownership

Funds ownership: 142.58%72.11% (-70%)

Holders
428
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
7
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$395M
Puts
$426M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
PMAM
251
Penn Mutual Asset Management
Pennsylvania
$867K
Janney Montgomery Scott
252
Janney Montgomery Scott
Pennsylvania
$866K
Cambridge Investment Research Advisors
253
Cambridge Investment Research Advisors
Iowa
$856K
SPC
254
Sigma Planning Corp
Michigan
$838K
HFM
255
Harvest Fund Management
China
$830K
Pathstone Holdings
256
Pathstone Holdings
New Jersey
$828K
SS
257
SBI Securities
Japan
$825K
SG
258
StoneX Group
New York
$823K
Public Employees Retirement Association of Colorado
259
Public Employees Retirement Association of Colorado
Colorado
$773K
DIM
260
DC Investments Management
Virginia
$762K
BCI
261
Brinker Capital Investments
Pennsylvania
$749K
KeyBank National Association
262
KeyBank National Association
Ohio
$748K
Cohen & Steers
263
Cohen & Steers
New York
$740K
MCM
264
MAI Capital Management
Ohio
$738K
SFI
265
Susquehanna Fundamental Investments
Pennsylvania
$732K
LNWWM
266
Laird Norton Wetherby Wealth Management
California
$704K
CUAMC
267
China Universal Asset Management Company
China
$699K
DWG
268
Darden Wealth Group
Michigan
$681K
AIM
269
Aigen Investment Management
New York
$669K
AWA
270
Arete Wealth Advisors
Illinois
$662K
Mercer Global Advisors
271
Mercer Global Advisors
Colorado
$660K
CCM
272
Cadian Capital Management
New York
$658K
AB
273
Amalgamated Bank
New York
$654K
Lazard Asset Management
274
Lazard Asset Management
New York
$645K
FP
275
Financial Perspectives
Minnesota
$617K