RUBRIK INC-A (RBRK) Institutional Shareholders
RUBRIK INC-A (RBRK) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026. The institutional investors covered on this page collectively reported approximately $5.58B in RBRK holdings during the latest filing period.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of RBRK tracked by InsiderSet, reporting ownership valued at approximately $431.76M in its March 31, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $637.98M, representing an estimated gain of +47.76% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 47% of the total disclosed RBRK value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Fmr Llc, Vanguard Portfolio Management Llc, and several other long-term asset managers with concentrated positions in RUBRIK INC-A (RBRK).
This page ranks the largest institutional RBRK shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
503
Total Reported Value
$5.58B
Largest Holder
Blackrock, Inc.
Largest Position
$431.76M
Insider Transactions (90d)
50
Latest Filing Quarter
Q2 2026
New Institutional Positions
106
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Blackrock, Inc. | 0.01% | 8,816,816 | $431,759,500 | $637,984,806 | +$206,225,306 | +47.76% | |
| Fmr Llc | 0.02% | 8,261,391 | $404,560,307 | $597,794,253 | +$193,233,946 | +47.76% | |
| Vanguard Portfolio Management Llc | 0.02% | 8,029,608 | $393,209,904 | $581,022,435 | +$187,812,531 | +47.76% | |
| Vanguard Capital Management Llc | 0.01% | 6,555,111 | $321,003,786 | $474,327,832 | +$153,324,046 | +47.76% | |
| First Trust Advisors Lp | 0.17% | 4,895,715 | $239,743,146 | $354,253,937 | +$114,510,791 | +47.76% | |
| Pictet Asset Management Holding Sa | 0.18% | 2,368,281 | $189,903,759 | $171,368,813 | -$18,534,946 | -9.76% | |
| Voya Investment Management Llc | 0.19% | 3,736,521 | $182,977,433 | $270,374,660 | +$87,397,227 | +47.76% | |
| Pointstate Capital Lp | 4.15% | 3,646,244 | $178,556,569 | $263,842,216 | +$85,285,647 | +47.76% | |
| Geode Capital Management, Llc | 0.01% | 2,702,893 | $132,396,030 | $195,581,337 | +$63,185,307 | +47.72% | |
| State Street Corp | 0.00% | 2,566,813 | $125,696,833 | $185,734,589 | +$60,037,756 | +47.76% | |
| Two Sigma Investments, Lp | 0.09% | 2,313,244 | $113,279,559 | $167,386,336 | +$54,106,777 | +47.76% | |
| Aqr Capital Management Llc | 0.05% | 2,217,221 | $104,874,533 | $160,438,112 | +$55,563,579 | +52.98% | |
| Ubs Group Ag | 0.02% | 1,955,045 | $95,738,553 | $141,467,056 | +$45,728,503 | +47.76% | |
| Legal & General Group Plc | 0.02% | 1,823,377 | $89,279,551 | $131,939,560 | +$42,660,009 | +47.78% | |
| Morgan Stanley | 0.01% | 1,722,181 | $84,335,228 | $124,617,017 | +$40,281,789 | +47.76% | |
| Clearbridge Investments, Llc | 0.06% | 1,448,294 | $70,922,957 | $104,798,554 | +$33,875,597 | +47.76% | |
| Institutional Venture Management Xv, Llc | 92.82% | 1,431,479 | $70,099,527 | $103,581,820 | +$33,482,293 | +47.76% | |
| Alliancebernstein L.P. | 0.02% | 872,613 | $66,737,442 | $63,142,277 | -$3,595,165 | -5.39% | |
| Federated Hermes, Inc. | 0.10% | 1,317,727 | $64,529,091 | $95,350,726 | +$30,821,635 | +47.76% | |
| Stephens Investment Management Group Llc | 0.66% | 768,696 | $61,710,915 | $55,622,843 | -$6,088,072 | -9.87% | |
| Champlain Investment Partners, Llc | 0.78% | 1,259,925 | $61,698,527 | $91,168,173 | +$29,469,646 | +47.76% | |
| Bnp Paribas Financial Markets | 0.04% | 1,232,277 | $60,344,605 | $89,167,564 | +$28,822,959 | +47.76% | |
| Wells Fargo & Company/Mn | 0.01% | 1,180,946 | $57,830,925 | $85,453,253 | +$27,622,328 | +47.76% | |
| Charles Schwab Investment Management Inc | 0.01% | 1,156,283 | $56,623,179 | $83,668,638 | +$27,045,459 | +47.76% | |
| Bank Of America Corp | 0.00% | 1,021,621 | $50,028,781 | $73,924,496 | +$23,895,715 | +47.76% | |
| Greenvale Capital Llp | 5.48% | 1,020,000 | $49,949,400 | $73,807,200 | +$23,857,800 | +47.76% | |
| Vanguard Fiduciary Trust Co | 0.01% | 949,362 | $46,490,257 | $68,695,834 | +$22,205,577 | +47.76% | |
| Susquehanna International Group, Llp | 0.06% | 905,745 | $44,354,333 | $65,539,708 | +$21,185,375 | +47.76% | |
| Congress Asset Management Co | 0.27% | 539,684 | $43,325,832 | $39,051,534 | -$4,274,298 | -9.87% | |
| Ubs Am, A Distinct Business Unit Of Ubs Asset Management Americas Llc | 0.01% | 854,514 | $41,845,551 | $61,832,633 | +$19,987,082 | +47.76% | |
| Squarepoint Ops Llc | 0.09% | 817,005 | $40,008,735 | $59,118,482 | +$19,109,747 | +47.76% | |
| Fiera Capital Corp | 0.13% | 797,830 | $39,069,735 | $57,730,979 | +$18,661,244 | +47.76% | |
| Northern Trust Corp | 0.00% | 755,152 | $36,979,794 | $54,642,799 | +$17,663,005 | +47.76% | |
| Qube Research & Technologies Ltd | 0.05% | 733,411 | $35,915,137 | $53,069,620 | +$17,154,483 | +47.76% | |
| Citadel Advisors Llc | 0.03% | 731,217 | $35,807,697 | $52,910,862 | +$17,103,165 | +47.76% | |
| Goldman Sachs Group Inc | 0.00% | 728,595 | $35,679,297 | $52,721,134 | +$17,041,837 | +47.76% | |
| Bank Of Nova Scotia | 0.06% | 726,670 | $35,585,078 | $52,581,841 | +$16,996,763 | +47.76% | |
| Mirae Asset Global Etfs Holdings Ltd. | 0.05% | 723,370 | $35,399,522 | $52,343,053 | +$16,943,531 | +47.86% | |
| Ieq Capital, Llc | 0.16% | 689,846 | $33,781,759 | $49,917,257 | +$16,135,498 | +47.76% | |
| Capital World Investors | 0.00% | 663,678 | $32,500,312 | $48,023,740 | +$15,523,428 | +47.76% | |
| Bain Capital Venture Investors, Llc | 18.46% | 659,640 | $32,302,571 | $47,731,550 | +$15,428,979 | +47.76% | |
| Capital International Investors | 0.01% | 618,119 | $30,269,287 | $44,727,091 | +$14,457,804 | +47.76% | |
| Atreides Management, Lp | 0.68% | 566,454 | $27,739,252 | $40,988,611 | +$13,249,359 | +47.76% | |
| Amundi | 0.01% | 561,496 | $27,496,460 | $40,629,851 | +$13,133,391 | +47.76% | |
| Bank Of New York Mellon Corp | 0.01% | 557,501 | $27,300,785 | $40,340,772 | +$13,039,987 | +47.76% | |
| Holocene Advisors, Lp | 0.07% | 555,713 | $27,213,266 | $40,211,393 | +$12,998,127 | +47.76% | |
| New York State Common Retirement Fund | 0.03% | 324,824 | $26,076,871 | $23,504,265 | -$2,572,606 | -9.87% | |
| Alkeon Capital Management Llc | 0.11% | 500,000 | $24,485,000 | $36,180,000 | +$11,695,000 | +47.76% | |
| Wellington Management Group Llp | 0.00% | 491,674 | $24,077,275 | $35,577,531 | +$11,500,256 | +47.76% | |
| Bienville Capital Management, Llc | 4.38% | 471,691 | $23,098,708 | $34,131,561 | +$11,032,853 | +47.76% |
Frequently asked questions about RBRK
Who owns the most RBRK stock?
The largest holders of RBRK are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for RUBRIK INC-A (RBRK).
Is RBRK widely held by superinvestors?
Many widely followed stocks like RBRK appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly RBRK is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.