RKLB Institutional Ownership & Shareholders
ROCKET LAB USA INC (RKLB) is currently held by 1,088 institutional investors tracked by InsiderSet, with a combined reported market value of approximately $30.63B based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of RKLB tracked by InsiderSet, reporting ownership valued at approximately $4.12B in its June 30, 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 $1.87B, representing an estimated loss of -54.76% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 57% of the total disclosed RKLB value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Vanguard Portfolio Management Llc, Vanguard Capital Management Llc, and several other long-term asset managers with concentrated positions in ROCKET LAB USA INC (RKLB).
This page ranks the largest institutional RKLB 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
1,088
Total Reported Value
$30.63B
Largest Holder
Blackrock, Inc.
Largest Position
$4.12B
Insider Transactions (90d)
50
Latest Filing Quarter
Q2 2026
New Institutional Positions
58
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Blackrock, Inc. | 0.06% | 40,580,130 | $4,124,970,247 | $1,866,280,179 | -$2,258,690,068 | -54.76% | |
| Vanguard Portfolio Management Llc | 0.12% | 27,118,258 | $2,756,570,925 | $1,247,168,685 | -$1,509,402,240 | -54.76% | |
| Vanguard Capital Management Llc | 0.05% | 25,299,213 | $2,571,665,002 | $1,163,510,806 | -$1,408,154,196 | -54.76% | |
| Invesco Ltd. | 0.15% | 18,343,547 | $1,864,621,551 | $843,619,727 | -$1,021,001,824 | -54.76% | |
| State Street Corp | 0.04% | 14,442,067 | $1,468,036,111 | $664,190,661 | -$803,845,450 | -54.76% | |
| Jpmorgan Chase & Co | 0.08% | 13,805,113 | $1,353,039,239 | $634,897,147 | -$718,142,092 | -53.08% | |
| Baillie Gifford & Co | 0.96% | 10,384,512 | $1,055,585,645 | $477,583,707 | -$578,001,938 | -54.76% | |
| Geode Capital Management, Llc | 0.04% | 10,919,528 | $768,892,442 | $502,189,093 | -$266,703,349 | -34.69% | |
| Capital World Investors | 0.09% | 7,370,414 | $749,187,414 | $338,965,340 | -$410,222,074 | -54.76% | |
| Morgan Stanley | 0.04% | 6,895,400 | $700,917,732 | $317,119,446 | -$383,798,286 | -54.76% | |
| Goldman Sachs Group Inc | 0.06% | 5,559,472 | $565,120,294 | $255,680,117 | -$309,440,177 | -54.76% | |
| Norges Bank | 0.06% | 5,437,031 | $552,674,201 | $250,049,056 | -$302,625,145 | -54.76% | |
| Bank Of America Corp | 0.03% | 4,301,823 | $437,280,258 | $197,840,840 | -$239,439,418 | -54.76% | |
| Ubs Group Ag | 0.06% | 3,609,563 | $366,912,079 | $166,003,802 | -$200,908,277 | -54.76% | |
| Vanguard Fiduciary Trust Co | 0.08% | 3,352,738 | $340,805,818 | $154,192,421 | -$186,613,397 | -54.76% | |
| Northern Trust Corp | 0.04% | 3,311,777 | $336,642,131 | $152,308,624 | -$184,333,507 | -54.76% | |
| Charles Schwab Investment Management Inc | 0.04% | 2,836,293 | $288,309,183 | $130,441,115 | -$157,868,068 | -54.76% | |
| T. Rowe Price Investment Management, Inc. | 0.18% | 2,642,141 | $268,574,000 | $121,512,065 | -$147,061,935 | -54.76% | |
| American Century Companies Inc | 0.12% | 2,577,154 | $261,968,303 | $118,523,312 | -$143,444,991 | -54.76% | |
| Price T Rowe Associates Inc | 0.02% | 2,410,922 | $245,072,000 | $110,878,303 | -$134,193,697 | -54.76% | |
| Voya Investment Management Llc | 0.21% | 2,378,367 | $241,761,005 | $109,381,098 | -$132,379,907 | -54.76% | |
| Royal Bank Of Canada | 0.04% | 2,276,941 | $231,450,000 | $104,716,517 | -$126,733,483 | -54.76% | |
| Allianz Asset Management Gmbh | 0.21% | 2,187,993 | $222,409,488 | $100,625,798 | -$121,783,690 | -54.76% | |
| Westfield Capital Management Co Lp | 0.70% | 2,114,005 | $214,888,621 | $97,223,090 | -$117,665,531 | -54.76% | |
| Van Eck Associates Corp | 0.11% | 1,777,325 | $180,665,086 | $81,739,177 | -$98,925,909 | -54.76% | |
| Tidal Investments Llc | 0.43% | 1,742,727 | $177,148,199 | $80,148,015 | -$97,000,184 | -54.76% | |
| Federated Hermes, Inc. | 0.25% | 1,692,941 | $172,087,453 | $77,858,357 | -$94,229,096 | -54.76% | |
| Legal & General Group Plc | 0.04% | 1,689,746 | $171,762,677 | $77,711,419 | -$94,051,258 | -54.76% | |
| ARK Invest | Cathie Wood | 1.08% | 1,631,207 | $165,812,192 | $75,019,210 | -$90,792,982 | -54.76% |
| Amundi | 0.03% | 2,314,135 | $161,248,925 | $106,427,069 | -$54,821,856 | -34.00% | |
| Sumitomo Mitsui Trust Group, Inc. | 0.09% | 2,235,469 | $155,767,480 | $102,809,219 | -$52,958,261 | -34.00% | |
| Ubs Am, A Distinct Business Unit Of Ubs Asset Management Americas Llc | 0.03% | 2,385,357 | $153,187,628 | $109,702,568 | -$43,485,060 | -28.39% | |
| Nuveen, Llc | 0.04% | 1,477,833 | $150,221,724 | $67,965,540 | -$82,256,184 | -54.76% | |
| Swiss National Bank | 0.08% | 1,467,430 | $149,164,260 | $67,487,106 | -$81,677,154 | -54.76% | |
| Bank Of New York Mellon Corp | 0.02% | 1,977,402 | $137,785,339 | $90,940,718 | -$46,844,621 | -34.00% | |
| Clearbridge Investments, Llc | 0.11% | 1,341,634 | $136,377,134 | $61,701,748 | -$74,675,386 | -54.76% | |
| Mizuho Markets Americas Llc | 2.18% | 1,197,173 | $121,692,635 | $55,057,986 | -$66,634,649 | -54.76% | |
| Deutsche Bank Ag\ | 0.03% | 1,743,681 | $121,499,692 | $80,191,889 | -$41,307,803 | -34.00% | |
| Wellington Management Group Llp | 0.02% | 1,173,469 | $119,283,124 | $53,967,839 | -$65,315,285 | -54.76% | |
| Tema Etfs Llc | 4.39% | 1,697,886 | $118,308,696 | $78,085,777 | -$40,222,919 | -34.00% | |
| Fmr Llc | 0.01% | 6,312,268 | $112,863,345 | $290,301,205 | +$177,437,860 | +157.21% | |
| D. E. Shaw & Co., Inc. | 0.07% | 1,103,189 | $112,139,162 | $50,735,662 | -$61,403,500 | -54.76% | |
| Jane Street Group, Llc | 0.07% | 1,082,063 | $109,991,704 | $49,764,077 | -$60,227,627 | -54.76% | |
| Ameriprise Financial Inc | 0.02% | 1,075,531 | $109,244,341 | $49,463,671 | -$59,780,670 | -54.72% | |
| Swedbank Ab | 0.09% | 1,534,155 | $106,899,922 | $70,555,788 | -$36,344,134 | -34.00% | |
| Vanguard Asset Management, Ltd | 0.07% | 1,046,290 | $106,355,379 | $48,118,877 | -$58,236,502 | -54.76% | |
| Raymond James Financial Inc | 0.03% | 1,018,763 | $103,557,257 | $46,852,910 | -$56,704,347 | -54.76% | |
| Vident Advisory, Llc | 0.77% | 1,018,132 | $103,493,141 | $46,823,891 | -$56,669,250 | -54.76% | |
| Penserra Capital Management Llc | 0.76% | 969,895 | $98,589,000 | $44,605,471 | -$53,983,529 | -54.76% | |
| Artisan Partners Limited Partnership | 0.15% | 932,236 | $94,761,793 | $42,873,534 | -$51,888,259 | -54.76% |
Frequently asked questions about RKLB
Who are the largest institutional holders of RKLB?
The largest institutional holders of RKLB reported in the latest SEC Form 13F filings include Blackrock, Inc., Vanguard Portfolio Management Llc, Vanguard Capital Management Llc, Invesco Ltd., and State Street Corp. InsiderSet ranks institutional holders by their latest reported RKLB position.
What is RKLB institutional ownership?
This page tracks RKLB positions reported by institutional investment managers through SEC Form 13F. ROCKET LAB USA INC (RKLB) institutional ownership on InsiderSet reflects disclosed 13F holdings among the managers we analyze, not every shareholder of the stock.
How many institutions own RKLB?
InsiderSet currently tracks 1,088 institutional managers reporting RKLB holdings in the latest available 13F data. This count reflects institutions included in the SEC Form 13F filings analyzed by InsiderSet and should not be interpreted as the total number of RKLB shareholders.
How much RKLB stock do institutions own?
Institutional investment managers disclosed approximately $30.63B in RKLB holdings for Q2 2026. This figure is reported 13F value as of the filing period, not necessarily today's market value.
When was RKLB institutional ownership last updated?
The latest RKLB institutional ownership data on InsiderSet is based on SEC Form 13F filings for the quarter ended June 30, 2026. Form 13F filings are generally reported after the quarter ends, so the holdings shown represent the latest publicly disclosed positions rather than real-time institutional holdings.
Are institutional RKLB holdings real-time?
No. Form 13F data is not real-time. It represents positions reported by institutional investment managers as of the end of the reporting quarter. An institution may have changed its RKLB position after the reporting date.
Are institutions buying or selling RKLB?
Institutional buying and selling can be analyzed by comparing RKLB positions across consecutive 13F reporting periods. InsiderSet's RKLB Ownership Changes page shows institutions that increased, reduced, initiated, or exited positions based on reported 13F holdings. View RKLB ownership changes.
How has RKLB institutional ownership changed over time?
InsiderSet tracks RKLB institutional holdings across multiple 13F reporting periods, allowing investors to compare institutional holder counts, reported value, and reported shares over time.