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Equibles

RKLB

Rocket Lab Corp

Company with tickers: RKLB

CIK
1819994
CUSIP
773121108
Shares Outstanding
578,867,475
13F Activity (30d)
491 filings 479 filers

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 872
Total Value: $22,771,780,424
Total Shares: 354,590,174
Showing 1–100 of 927 holdings by value · page 1 of 10

Institutional Ownership Trend

7 quarters

Holder Concentration

Across 872 13F filers · Δ vs Dec 31, 2025
Top Holder
10.7%
Dec 2021 → Mar 2026 · range 10.7% – 100.0%
−3.1 pts
Top 5
35.5%
Dec 2021 → Mar 2026 · range 35.5% – 100.0%
−3.7 pts
Top 10
53.6%
Dec 2021 → Mar 2026 · range 52.8% – 100.0%
−2.5 pts
HHI
376
Dec 2021 → Mar 2026 · range 376 – 10,000
Broadly held −82

Quarterly Activity

vs Dec 31, 2025
New
156
Increased
392
Decreased
223
Sold Out
111
Unchanged
101
Holder count: +45
Institutional value: -5.2%
Shares held: +3.0%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open
Mega JANE STREET GROUP, LLC +6,459,003 14,953,760
Mid Defiance ETFs, LLC +5,595,925 5,626,081
Mega BlackRock, Inc. +4,909,667 37,985,996
Mega GOLDMAN SACHS GROUP INC +2,705,220 4,664,599
Large MARSHALL WACE, LLP +1,737,968 1,881,363

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open
Mega Capital World Investors −8,958,642 7,242,084
Mid WOLVERINE ASSET MANAGEMENT LLC −3,537,748 25,052
Mega CITADEL ADVISORS LLC −2,957,355 9,295,381
Mega D. E. Shaw & Co., Inc. −2,686,311 5,445,261
Mid CANTOR FITZGERALD, L. P. −1,897,823 789,544

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open
Mega VANGUARD PORTFOLIO MANAGEMENT LLC 25,738,450 $1,652,923,259
Mega VANGUARD CAPITAL MANAGEMENT LLC 24,287,490 $1,559,742,607
Mega Capital International Investors 6,701,140 $430,347,210
Mega VANGUARD FIDUCIARY TRUST CO 3,068,333 $197,048,345
Mega VANGUARD ASSET MANAGEMENT, Ltd 863,430 $55,449,474

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Mega VANGUARD GROUP INC 47,420,192 $3,308,032,591
Mega NORGES BANK 4,888,706 $341,036,130
Large RENAISSANCE TECHNOLOGIES LLC 915,100 $63,837,376
Mid IMC-Chicago, LLC 607,651 $42,389,733
Small HIGHLAND PEAK CAPITAL, LLC 250,000 $17,440,000
Filter: New 156 Increased 392 Reduced 223 Sold out 111 Unchanged 101
Showing 100 of 927
All Common Calls Puts
Export CSV
Holder Value (USD) % of 13F Shares Open
Mega BlackRock, Inc. $2,439,460,654 10.71% 37,985,996
Mega VANGUARD PORTFOLIO MANAGEMENT LLC $1,652,923,259 7.26% 25,738,450
Mega VANGUARD CAPITAL MANAGEMENT LLC $1,559,742,607 6.85% 24,287,490
Large BAILLIE GIFFORD & CO $1,183,448,920 5.20% 18,428,043
Mega UBS Group AG $1,115,400,125 4.90% 17,368,423
Mega STATE STREET CORP $894,247,509 3.93% 13,924,751
Mega JPMORGAN CHASE & CO $685,728,631 3.01% 10,677,805
Mega GEODE CAPITAL MANAGEMENT, LLC $678,862,233 2.98% 10,570,885
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $611,046,878 2.68% 9,514,900
Mega JANE STREET GROUP, LLC $517,157,238 2.27% 8,052,900
Mega Capital World Investors $465,086,634 2.04% 7,242,084
Mega Capital International Investors $430,347,210 1.89% 6,701,140
Mid Defiance ETFs, LLC Mutual Fund $361,306,921 1.59% 5,626,081
Mega MORGAN STANLEY $345,731,510 1.52% 5,383,549
Mega JANE STREET GROUP, LLC $334,855,924 1.47% 5,214,200
Mega BANK OF AMERICA CORP /DE/ Bank $291,132,503 1.28% 4,533,362
Mega CITADEL ADVISORS LLC $277,353,336 1.22% 4,318,800
Mega D. E. Shaw & Co., Inc. $269,182,046 1.18% 4,191,561
Mega CITADEL ADVISORS LLC $267,148,778 1.17% 4,159,900
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $253,238,726 1.11% 3,943,300
Mega FMR LLC $237,288,658 1.04% 3,694,934
Mega Invesco Ltd. $231,083,463 1.01% 3,598,310
Large WESTFIELD CAPITAL MANAGEMENT CO LP $203,745,078 0.89% 3,172,611
Mega NORTHERN TRUST CORP Bank $198,449,494 0.87% 3,090,151
Mega VANGUARD FIDUCIARY TRUST CO Bank $197,048,345 0.87% 3,068,333
Mega GOLDMAN SACHS GROUP INC $164,165,521 0.72% 2,556,299
Mega UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC $153,187,621 0.67% 2,385,357
Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC $151,421,512 0.66% 2,357,856
Large ARK Investment Management LLC $144,087,588 0.63% 2,243,656
Large VOYA INVESTMENT MANAGEMENT LLC $143,818,698 0.63% 2,239,469
Mega ROYAL BANK OF CANADA Bank $140,361,989 0.62% 2,185,643
Mega AMERICAN CENTURY COMPANIES INC $137,809,120 0.61% 2,145,891
Mega UBS Group AG $133,619,855 0.59% 2,080,658
Mega GOLDMAN SACHS GROUP INC $133,256,500 0.59% 2,075,000
Large MARSHALL WACE, LLP $120,821,130 0.53% 1,881,363
Mega FRANKLIN RESOURCES INC $119,632,802 0.53% 1,862,859
Mega Bank of New York Mellon Corp Bank $114,901,326 0.50% 1,789,183
Mega Amundi $114,575,479 0.50% 1,784,109
Mega PRICE T ROWE ASSOCIATES INC /MD/ $112,458,981 0.49% 1,751,152
Mega ALLIANCEBERNSTEIN L.P. $111,876,762 0.49% 1,742,086
Large VOLORIDGE INVESTMENT MANAGEMENT, LLC $109,089,229 0.48% 1,698,680
Mega JANE STREET GROUP, LLC $108,317,304 0.48% 1,686,660
Mega Legal & General Group Plc $102,059,449 0.45% 1,589,216
Mega Sumitomo Mitsui Trust Group, Inc. $97,441,070 0.43% 1,517,301
Mega Nuveen, LLC $97,256,115 0.43% 1,514,421
Mega Swiss National Bank Bank $90,609,924 0.40% 1,410,930
Mega VAN ECK ASSOCIATES CORP $80,260,421 0.35% 1,249,773
Mega FIRST TRUST ADVISORS LP $75,784,673 0.33% 1,180,079
Mid MIZUHO MARKETS AMERICAS LLC $75,739,334 0.33% 1,179,373
Mid MIZUHO MARKETS AMERICAS LLC $75,739,334 0.33% 1,179,373
Mega DIMENSIONAL FUND ADVISORS LP $67,726,281 0.30% 1,054,598
Mid ZEVENBERGEN CAPITAL INVESTMENTS LLC $65,825,371 0.29% 1,024,998
Mega DEUTSCHE BANK AG\ Bank $65,108,223 0.29% 1,013,831
Mega CITIGROUP INC $64,132,659 0.28% 998,640
Mega AMERIPRISE FINANCIAL INC $63,620,376 0.28% 990,663
Large Vident Advisory, LLC $62,649,306 0.28% 975,542
Large Connor, Clark & Lunn Investment Management Ltd. $60,057,709 0.26% 935,187
Mega NEUBERGER BERMAN GROUP LLC $59,992,589 0.26% 934,173
Mid TOCQUEVILLE ASSET MANAGEMENT L.P. $59,936,526 0.26% 933,300
Mega VANGUARD ASSET MANAGEMENT, Ltd $55,449,474 0.24% 863,430
Large Walleye Trading LLC $54,073,240 0.24% 842,000
Mega CITADEL ADVISORS LLC $52,447,253 0.23% 816,681
Mid Penserra Capital Management LLC $52,395,749 0.23% 815,879
Mega RAYMOND JAMES FINANCIAL INC $52,069,895 0.23% 810,805
Mega California Public Employees Retirement System Pension $51,130,743 0.22% 796,181
Mega MILLENNIUM MANAGEMENT LLC $50,213,618 0.22% 781,900
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $48,777,850 0.21% 759,543
Mid TREMBLANT CAPITAL GROUP $48,409,806 0.21% 753,812
Mega Mitsubishi UFJ Asset Management Co., Ltd. $48,320,733 0.21% 752,425
Large CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM Pension $47,206,516 0.21% 735,075
Large Korea Investment CORP $47,177,103 0.21% 734,617
Mega D. E. Shaw & Co., Inc. $47,079,682 0.21% 733,100
Large Artisan Partners Limited Partnership $45,474,246 0.20% 708,101
Large Walleye Trading LLC $45,397,118 0.20% 706,900
Mega National Pension Service Pension $44,400,808 0.19% 691,386
Mega WELLS FARGO & COMPANY/MN $42,946,418 0.19% 668,739
Mega RHUMBLINE ADVISERS $41,365,386 0.18% 644,120
Mega BANK OF MONTREAL /CAN/ Bank $41,237,842 0.18% 642,134
Large STOREBRAND ASSET MANAGEMENT AS $40,835,635 0.18% 635,871
Large PEAK6 LLC $40,079,702 0.18% 624,100
Small ONCE CAPITAL MANAGEMENT, LLC $39,687,960 0.17% 618,000
Mega MILLENNIUM MANAGEMENT LLC $38,127,414 0.17% 593,700
Large Swedbank AB Bank $36,433,996 0.16% 567,331
Large Mitsubishi UFJ Trust & Banking Corp $34,986,670 0.15% 544,794
Mega LPL Financial LLC $34,499,818 0.15% 537,213
Large NOMURA HOLDINGS INC $34,177,884 0.15% 532,200
Mega D. E. Shaw & Co., Inc. $33,432,932 0.15% 520,600
Mega Clearbridge Investments, LLC $33,271,482 0.15% 518,086
Large FEDERATED HERMES, INC. $32,815,007 0.14% 510,978
Mega BARCLAYS PLC $31,994,980 0.14% 498,209
Mid Amova Asset Management Americas, Inc. $31,718,771 0.14% 493,908
Large AVIVA PLC $29,659,364 0.13% 461,840
Large USS Investment Management Ltd $27,683,572 0.12% 431,074
Large TUDOR INVESTMENT CORP ET AL $27,281,298 0.12% 424,810
Large CAPITAL FUND MANAGEMENT S.A. $26,953,134 0.12% 419,700
Large STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM Pension $26,169,585 0.11% 407,499
Large Marex Group plc $25,941,219 0.11% 403,943
Mid FRONTIER CAPITAL MANAGEMENT CO LLC $25,928,182 0.11% 403,740
Large Driehaus Capital Management LLC $25,898,384 0.11% 403,276
Mega HSBC HOLDINGS PLC $25,702,576 0.11% 400,227

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