954 tracked 13F filers disclose a position in RKLB as of the latest SEC 13F filings, a combined $19.4B in reported value. Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | $2.4B | 38.0M | ▲+15% Added · +4.9M sh | Q1 2026 | |
| 2 | VANGUARD PORTFOLIO MANAGEMENT LLC | $1.7B | 25.7M | →First observed position No prior filed position | Q1 2026 | |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | $1.6B | 24.3M | →First observed position No prior filed position | Q1 2026 | |
| 4 | BAILLIE GIFFORD & CO | $1.2B | 18.4M | ▲+3.2% Added · +577K sh | Q1 2026 | |
| 5 | STATE STREET CORP | $1.5B | 14.4M | ▲+3.7% Added · +517K sh | Q2 2026 | |
| 6 | JPMORGAN CHASE & CO | $612.7M | 10.7M | ▲+10% Added · +983K sh | Q1 2026 | |
| 7 | GEODE CAPITAL MANAGEMENT, LLC | $1.1B | 10.5M | ▼−0.6% Reduced · −68K sh | Q2 2026 | |
| 8 | Defiance ETFs, LLC | $361.3M | 5.6M | ▲187× Added · +5.6M sh | Q1 2026 | |
| 9 | MORGAN STANLEY | $345.7M | 5.4M | ▲+28% Added · +1.2M sh | Q1 2026 | |
| 10 | NORGES BANK | $341.0M | 4.9M | ▲+6.1% Added · +283K sh | Q4 2025 | |
| 11 | BANK OF AMERICA CORP /DE/ | $291.1M | 4.5M | ▼−11% Reduced · −576K sh | Q1 2026 | |
| 12 | D. E. Shaw & Co., Inc. | $269.2M | 4.2M | ▼−37% Reduced · −2.5M sh | Q1 2026 | |
| 13 | FMR LLC | $237.3M | 3.7M | ▼−14% Reduced · −578K sh | Q1 2026 | |
| 14 | NORTHERN TRUST CORP | $198.4M | 3.1M | ▲+19% Added · +487K sh | Q1 2026 | |
| 15 | VANGUARD FIDUCIARY TRUST CO | $197.0M | 3.1M | →First observed position No prior filed position | Q1 2026 | |
| 16 | GOLDMAN SACHS GROUP INC | $164.2M | 2.6M | ▲+137% Added · +1.5M sh | Q1 2026 | |
| 17 | UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AME | $153.2M | 2.4M | ▲+40% Added · +683K sh | Q1 2026 | |
| 18 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $151.4M | 2.4M | ▲+6.5% Added · +144K sh | Q1 2026 | |
| 19 | ARK Investment Management LLC | $144.1M | 2.2M | ▲+0.4% Added · +8K sh | Q1 2026 | |
| 20 | VOYA INVESTMENT MANAGEMENT LLC | $143.8M | 2.2M | ▲+2.1% Added · +47K sh | Q1 2026 | |
| 21 | ROYAL BANK OF CANADA | $140.4M | 2.2M | ▼−11% Reduced · −262K sh | Q1 2026 | |
| 22 | AMERICAN CENTURY COMPANIES INC | $137.8M | 2.1M | ▼−15% Reduced · −378K sh | Q1 2026 | |
| 23 | WESTFIELD CAPITAL MANAGEMENT CO LP | $214.9M | 2.1M | ▼−33% Reduced · −1.1M sh | Q2 2026 | |
| 24 | UBS Group AG | $133.6M | 2.1M | ▼−28% Reduced · −815K sh | Q1 2026 | |
| 25 | MARSHALL WACE, LLP | $120.8M | 1.9M | ▲13× Added · +1.7M sh | Q1 2026 |
Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.
Last quarter, 2 funds opened a new position in RKLB and 24 added to an existing one, while 18 reduced and 0 exited entirely — based on 13F filings from active, signal-eligible managers (passive index funds and other mechanical holders are excluded from this count).
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 593 funds | $297.7B |
| NVIDIA CORPNVDA | 591 funds | $445.1B |
| AMAZON.COM INCAMZN | 587 funds | $229.7B |
| APPLE INCAAPL | 586 funds | $335.4B |
| META PLATFORMS INC-CLASS AMETA | 573 funds | $127.7B |
| BROADCOM INCAVGO | 572 funds | $173.7B |
| ALPHABET INC-CL AGOOGL | 571 funds | $189.7B |
| ALPHABET INC-CL CGOOG | 566 funds | $140.4B |
| TESLA INCTSLA | 565 funds | $82.3B |
| ADVANCED MICRO DEVICESAMD | 560 funds | $49.5B |
| JPMORGAN CHASE & COJPM | 559 funds | $73.0B |
| ELI LILLY & COLLY | 555 funds | $88.0B |
Ranked by how many of RKLB's institutional holders also hold each name, a cross-fund conviction signal.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Aug 27, 2026 | Kampani Arjun | SVP & General Counsel | Sell (S) | 1K | $96K |
| Aug 27, 2026 | Kampani Arjun | SVP & General Counsel | Sell (S) | 5K | $306K |
| Aug 27, 2026 | Klein Frank | Chief Operations Officer | Sell (S) | 458 | $31K |
| Aug 27, 2026 | Klein Frank | Chief Operations Officer | Sell (S) | 20K | $1.3M |
| Aug 27, 2026 | Klein Frank | Chief Operations Officer | Sell (S) | 15K | $1.0M |
| Aug 24, 2026 | Clevenger Marvin Bradford | President, Rocket Lab USA, Inc | Sell (S) | 677 | $48K |
| Aug 24, 2026 | Clevenger Marvin Bradford | President, Rocket Lab USA, Inc | Sell (S) | 450 | $32K |
| Aug 24, 2026 | Clevenger Marvin Bradford | President, Rocket Lab USA, Inc | Sell (S) | 14K | $968K |
| Aug 24, 2026 | Kampani Arjun | SVP & General Counsel | Sell (S) | 349 | $25K |
| Aug 24, 2026 | Kampani Arjun | SVP & General Counsel | Sell (S) | 232 | $16K |
| Aug 24, 2026 | Kampani Arjun | SVP & General Counsel | Sell (S) | 7K | $499K |
| Aug 24, 2026 | Klein Frank | Chief Operations Officer | Sell (S) | 2K | $146K |
Connected entities for RKLB
This stock page is the public Follow view. For one current, evidence-backed answer, use capital_change_brief through REST or MCP. It compares tracked 13F changes with qualifying Form 4 activity and cites the SEC evidence.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/stocks/RKLB/capital-change-brief"
Use Arkolith's capital_change_brief for RKLB. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for RKLB. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.