ROCKET LAB USA INC (RKLB) Institutional Shareholders

ROCKET LAB USA INC (RKLB) 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 $31.73B in RKLB holdings during the latest filing period.

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 $2.62B, representing an estimated loss of -36.48% since the filing period.

The top 10 institutional shareholders tracked on this page collectively account for approximately 56% 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

1,094

Total Reported Value

$31.73B

Largest Holder

Blackrock, Inc.

Largest Position

$4.12B

Insider Transactions (90d)

50

Latest Filing Quarter

Q2 2026

New Institutional Positions

135

Funds Exiting Positions

0

NameInvestor/ManagerPortfolio %QuantityReported BalanceCurrent Estimated ValueGain/loss Since FilingEstimated Portfolio Performance
Blackrock, Inc.0.06%40,580,130$4,124,970,247$2,620,258,994-$1,504,711,253-36.48%
Vanguard Portfolio Management Llc0.12%27,118,258$2,756,570,925$1,751,025,919-$1,005,545,006-36.48%
Vanguard Capital Management Llc0.05%25,299,213$2,571,665,002$1,633,570,183-$938,094,819-36.48%
Invesco Ltd.0.15%18,343,547$1,864,621,551$1,184,442,830-$680,178,721-36.48%
State Street Corp0.04%14,442,067$1,468,036,111$932,524,266-$535,511,845-36.48%
Jpmorgan Chase & Co0.08%13,805,113$1,353,039,239$891,396,146-$461,643,093-34.12%
Geode Capital Management, Llc0.06%10,503,238$1,076,957,022$678,194,078-$398,762,944-37.03%
Baillie Gifford & Co0.96%10,384,512$1,055,585,645$670,527,940-$385,057,705-36.48%
Capital World Investors0.09%7,370,414$749,187,414$475,907,632-$273,279,782-36.48%
Morgan Stanley0.04%6,895,400$700,917,732$445,235,978-$255,681,754-36.48%
Goldman Sachs Group Inc0.06%5,559,472$565,120,294$358,975,107-$206,145,187-36.48%
Norges Bank0.06%5,437,031$552,674,201$351,069,092-$201,605,109-36.48%
Bank Of America Corp0.03%4,301,823$437,280,258$277,768,711-$159,511,547-36.48%
Fmr Llc0.02%3,701,770$376,284,990$239,023,289-$137,261,701-36.48%
Ubs Group Ag0.06%3,609,563$366,912,079$233,069,483-$133,842,596-36.48%
Vanguard Fiduciary Trust Co0.08%3,352,738$340,805,818$216,486,293-$124,319,525-36.48%
Northern Trust Corp0.04%3,311,777$336,642,131$213,841,441-$122,800,690-36.48%
Charles Schwab Investment Management Inc0.04%2,836,293$288,309,183$183,139,439-$105,169,744-36.48%
T. Rowe Price Investment Management, Inc.0.18%2,642,141$268,574,000$170,603,044-$97,970,956-36.48%
American Century Companies Inc0.12%2,577,154$261,968,303$166,406,834-$95,561,469-36.48%
Price T Rowe Associates Inc0.02%2,410,922$245,072,000$155,673,234-$89,398,766-36.48%
Voya Investment Management Llc0.21%2,378,367$241,761,005$153,571,157-$88,189,848-36.48%
Royal Bank Of Canada0.04%2,276,941$231,450,000$147,022,080-$84,427,920-36.48%
Allianz Asset Management Gmbh0.21%2,187,993$222,409,488$141,278,708-$81,130,780-36.48%
Westfield Capital Management Co Lp0.70%2,114,005$214,888,621$136,501,303-$78,387,318-36.48%
Bank Of New York Mellon Corp0.03%1,982,108$201,481,274$127,984,714-$73,496,560-36.48%
Van Eck Associates Corp0.11%1,777,325$180,665,086$114,761,875-$65,903,211-36.48%
Tidal Investments Llc0.43%1,742,727$177,148,199$112,527,882-$64,620,317-36.48%
Federated Hermes, Inc.0.25%1,692,941$172,087,453$109,313,200-$62,774,253-36.48%
Legal & General Group Plc0.04%1,689,746$171,762,677$109,106,899-$62,655,778-36.48%
ARK InvestCathie Wood1.08%1,631,207$165,812,192$105,327,036-$60,485,156-36.48%
Tema Etfs Llc5.33%1,622,028$164,879,146$104,734,348-$60,144,798-36.48%
Sumitomo Mitsui Trust Group, Inc.0.09%1,557,127$158,281,960$100,543,690-$57,738,270-36.48%
Ubs Am, A Distinct Business Unit Of Ubs Asset Management Americas Llc0.03%2,385,357$153,187,628$154,022,501+$834,873+0.55%
Nuveen, Llc0.04%1,477,833$150,221,724$95,423,677-$54,798,047-36.48%
Swiss National Bank0.08%1,467,430$149,164,260$94,751,955-$54,412,305-36.48%
Deutsche Bank Ag\0.04%1,349,025$137,128,390$87,106,544-$50,021,846-36.48%
Clearbridge Investments, Llc0.11%1,341,634$136,377,134$86,629,307-$49,747,827-36.48%
Swedbank Ab0.12%1,332,385$135,436,935$86,032,099-$49,404,836-36.48%
Neuberger Berman Group Llc0.08%1,231,799$125,212,354$79,537,261-$45,675,093-36.48%
Mizuho Markets Americas Llc2.18%1,197,173$121,692,635$77,301,461-$44,391,174-36.48%
Citigroup Inc0.06%1,184,354$120,389,585$76,473,738-$43,915,847-36.48%
Wellington Management Group Llp0.02%1,173,469$119,283,124$75,770,893-$43,512,231-36.48%
D. E. Shaw & Co., Inc.0.07%1,103,189$112,139,162$71,232,914-$40,906,248-36.48%
Jane Street Group, Llc0.07%1,082,063$109,991,704$69,868,808-$40,122,896-36.48%
Ameriprise Financial Inc0.02%1,075,531$109,244,341$69,447,037-$39,797,304-36.43%
Vanguard Asset Management, Ltd0.07%1,046,290$106,355,379$67,558,945-$38,796,434-36.48%
Raymond James Financial Inc0.03%1,018,763$103,557,257$65,781,527-$37,775,730-36.48%
Vident Advisory, Llc0.77%1,018,132$103,493,141$65,740,783-$37,752,358-36.48%
Zevenbergen Capital Investments Llc2.33%1,005,003$102,158,555$64,893,044-$37,265,511-36.48%
Showing 50 of 1,094

Frequently asked questions about RKLB

  • Who owns the most RKLB stock?

    The largest holders of RKLB 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 ROCKET LAB USA INC (RKLB).

  • Is RKLB widely held by superinvestors?

    Many widely followed stocks like RKLB appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly RKLB 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.