13FPulse
RB

RBRK RUBRIK INC-A

2026Q2 · CUSIP 781154109 · Cybersecurity · Sector: Technology

Piling in

Net holder growth ranks near the top of the market

Funds that own it
562
Institutions that reported holding it to the SEC
Net increase in holders
+102
Last quarter 460 → now 562
How unusual is that
Top 5%
Stronger buying than 98% of US stocks
What the filings say, in one paragraph

562 funds held RBRK at the end of 2026Q2, up 102 from the quarter before. That is stronger buying than 98.2% of US stocks — among the most piled-into names this quarter. On the business itself, revenue over the last 12 months was $1.5B(YoY +42.4%). RBRK has had 7 buying rushes in its history, and the price moved +8.4% on average over the six months after (that is the raw price move, not how much it beat the market by). It sits in the Technology sector, tagged Cybersecurity.

How many funds owned it, quarter by quarter

Bars = net change in institutional holders, positive (green) or negative (red). Line = total institutional holders.

2024Q3: holders=169 2024Q4: holders=252 2025Q1: holders=303 2025Q2: holders=390 2025Q3: holders=436 2025Q4: holders=473 2026Q1: holders=460 2026Q2: holders=562 -102 -51 +0 +51 +102 152372591 24Q324Q425Q125Q225Q325Q426Q126Q2 Net change in holders (bars) Total funds holding (line)

What happened after each past buying rush 7 times in its history

Quarter of the rush How unusual then Price, next 3 months Price, next 6 months
2026Q2 Top 5%
2025Q4 Top 20% -2.5% +23.5%
2025Q3 Top 10% +5.5% -22.3%
2025Q2 Top 5% -2.1% -16.5%
2025Q1 Top 5% +3.6% -3.2%
2024Q4 Top 5% -19.5% +10.0%
2024Q3 Top 10% +52.6% +59.0%

These are the raw price moves, not how much it beat the market by. Compare them against the market over the same months — in a strong bull market almost everything is up.

Show all the numbers (large funds, value held, options…) ▾
Of them, large funds
226
Change in large funds
+27
Total value they hold
$10.3B
Funds buying for the first time
187
Funds that sold out entirely
85
Price change that quarter
+34.2%
Funds holding puts (bearish)
16
Funds holding calls (bullish)
24

These are for people who want to dig. Skip them if they do not mean anything to you — the three numbers above are enough.

8,697 institutions have filed for this quarter. 13F permits late filing and a small number arrive in the weeks after the deadline, so the holder counts and changes below may tick up.

Fundamentals

PE (TTM)
EPS (TTM)
$-1.27
EPS YoY
-132.1%
Revenue (TTM)
$1.5B
Revenue YoY
+42.4%
Net margin
-16.5%
ROE
Debt ratio
117.5%
FCF (TTM)
$304M
Dividend (TTM)
No dividend
Quarterly Revenue & EPS
2024-07-31: EPS -0.98 2024-10-31: EPS -0.71 2025-04-30: EPS -0.53 2025-07-31: EPS -0.49 2025-10-31: EPS -0.32 2026-01-31: EPS -0.44 2026-04-30: EPS -0.21 2026-07-31: EPS -0.30 0M 214M 427M $M -1.08 -0.54 0.00 202320242025202607/26 Revenue EPS

Quarterly figures, revenue up to 10 years back; EPS split-adjusted, early quarters hidden when not calibrable

Quarterly free cash flow
-35M23M81M 2023202420252026
Latest quarter $77M (2026-04-30)

FCF = operating cash flow − capex, computed from SEC XBRL; banks/insurers have no standard cash-flow structure and are hidden

As of 2026-07-31 · SEC filings (XBRL)

Email me the next update

2026 Q3 holdings are due 2026-11-16. We will email you when the refreshed lists are live.