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Rocket Lab Corp · 13F filings

RKLB Institutional Ownership

Holdings as of Jun 30, 2026From SEC Form 13FUpdated

Who owns Rocket Lab Corp and what the big funds did with it last quarter, from every SEC 13F filing. 1,122 funds reported holding RKLB at Jun 30, 2026, together owning 53.9% of the company.

← RKLB stock page

Fund sentiment
Bullish
Strongly bearishNeutralStrongly bullish
  • ▲793 buying vs 309 selling
  • ▲Held by funds +5.4 pts
  • ▲Funds holding +246
  • ▼Superinvestors: 2 added, 4 cut
  • ●Put/call 1.24 to 1.28

What the filings show, not a forecast. Positions can be up to 45 days old and leave out short sales.

Funds holding1,122+246 vs Q1 2026
Held by funds53.9%+5.4 pts
Value held$32.7B322M shares
Put/call ratio1.28up from 1.24

Funds holding and ownership

7 quarters
Q4 2024: 3 fundsQ4 '24Q1 2025: 5 fundsQ1 '25Q2 2025: 506 fundsQ2 '25Q3 2025: 665 fundsQ3 '25Q4 2025: 831 fundsQ4 '25Q1 2026: 876 fundsQ1 '26Q2 2026: 1,122 fundsQ2 '2653.9% owned
Funds holdingHeld by funds %

Quarter over quarter

all 13F filers
Q2 2026This quarterQ1 2026Change
Funds holding1,122876+28.1%
In funds' top 10770.0%
13F shares322M290M+11.2%
Held by funds53.9%48.5%+5.4 pts
New positions313147+112.9%
Increased480388+23.7%
Reduced236221+6.8%
Sold out73104−29.8%
Calls (shares)4.4M3.3M+31.9%
Puts (shares)5.6M4.1M+37.2%
Put/call ratio1.281.24+2.9%

Buyers vs sellers

adding or new vs cutting or sold out
Q4 2024: 2 buyingQ4 2024: 0 sellingQ4 '24Q1 2025: 1 buyingQ1 2025: 1 sellingQ1 '25Q2 2025: 500 buyingQ2 2025: 1 sellingQ2 '25Q3 2025: 437 buyingQ3 2025: 225 sellingQ3 '25Q4 2025: 491 buyingQ4 2025: 281 sellingQ4 '25Q1 2026: 535 buyingQ1 2026: 325 sellingQ1 '26Q2 2026: 793 buyingQ2 2026: 309 sellingQ2 '26
Buying 793Selling 309latest quarter

Superinvestors in RKLB

All superinvestors →

Who owns RKLB

share of fund held shares
  • Index and passive funds47.5%
  • Active managers and hedge funds29.7%
  • Banks and brokers19.3%
  • Pensions, insurers and other3.5%

The top 10 holders own 54.2% of all RKLB shares that funds reported. Groups are our own grouping of filers by name.

Put/call ratio

funds' options, market makers left out
1.00Q2 2025: 0.74Q2 '25Q3 2025: 1.93Q3 '25Q4 2025: 1.71Q4 '25Q1 2026: 1.24Q1 '26Q2 2026: 1.28Q2 '261.28

Above 1 means funds hold more puts than calls, a sign of hedging or bets on a fall. Options are valued at the underlying shares.

Filed so far for Q3 2026

455 funds changed their position

🔒 Free account: see all 20.

Top holders

Q2 2026
#FundOf companySharesValueChange
1BlackRock, Inc.6.78%40.6M$4.1B+2.6M
2Vanguard Portfolio Management LLC4.53%27.1M$2.8B+1.4M
3Vanguard Capital Management LLC4.23%25.3M$2.6B+1M
4Invesco Ltd.3.07%18.3M$1.9B+14.7M
5State Street Corp2.41%14.4M$1.5B+517K
6Jpmorgan Chase & Co2.31%13.8M$1.4B+3.1M
7Geode Capital Management, LLC1.76%10.5M$1.1B−68K
8Baillie Gifford & Co1.74%10.4M$1.1B−8M
9Capital World Investors1.23%7.4M$749M+128K
10Morgan Stanley1.15%6.9M$701M+1.5M
🔒 15 more top holders. Create a free account or sign in to see them.
Biggest buyers
Biggest sellers

RKLB institutional ownership FAQ

Who owns the most RKLB stock?

In Q2 2026 13F filings the largest holder of RKLB was BlackRock, Inc., followed by Vanguard Portfolio Management LLC and Vanguard Capital Management LLC. Index fund managers are usually the biggest holders of large companies.

What percentage of RKLB is owned by institutions?

Funds that file 13F reports held 53.9% of RKLB's shares at Jun 30, 2026, compared with 48.5% a quarter earlier. That counts every manager with more than $100 million in US stocks.

Are hedge funds buying RKLB?

In Q2 2026, 793 funds bought RKLB (313 of them new positions) and 309 sold (73 sold out completely). Among well known investors, 2 added and 4 cut. Our fund sentiment for RKLB is bullish.

What is RKLB's institutional put/call ratio?

Funds reported $565M of RKLB puts against $442M of calls, a put/call ratio of 1.28 (1.24 the quarter before). Market makers and bank trading desks are left out, since their options are mostly hedges.

How current is this RKLB ownership data?

13F filings show holdings at the end of each quarter and are due within 45 days, so positions can be up to six weeks old when they appear. We add each new filing within minutes, and the "filed so far" list shows funds that have already reported the next quarter.

For informational and educational purposes only. Not investment advice, and not a recommendation to buy or sell any security. Fund sentiment summarises what 13F filings show and is not a forecast. Holdings come from SEC Form 13F filings as reported and show positions at the end of the quarter, up to 45 days before the filing. A 13F leaves out short positions, cash, bonds and most foreign holdings. See all hedge fund holdings.