ARK Investment Management at a glance
ARK Investment Management reported 181 positions worth $15.4 billion in its 13F-HR for Q2 2026, filed August 14, 2026. Its largest holdings were Tesla Inc (TSLA) at 7.5%, Advanced Micro Devices Inc (AMD) at 5.3% and Space Exploration Technologies Corp (SPCX) at 5.0%.
- Versus Q1 2026, it opened 10 new positions, added to 51, trimmed 73 and sold out of 5. Reported portfolio value went from $12.9 billion to $15.4 billion.
- The 10 largest positions made up 39.7% of the reported portfolio.
- Largest estimated buys in Q2 2026: Space Exploration Technologies Corp (SPCX) (new position, about $765.1 million), Cerebras Systems Inc (CBRS) (new position, about $169.0 million) and Alphabet Inc (GOOGL) (added, about $163.8 million).
- As of June 30, 2026, 12 institutional investment managers tracked by SignalX reported holding ARK Investment Management shares worth $28.2 million in 13F-HR filings.
Source: 13F-HR filings on SEC EDGAR.
- 13F portfolio · Q2 2026
- $15.4B
- +19.8% vs prior quarter
- Positions
- 181
- 10 new · 5 sold out
- Top 10 weight
- 39.7%
- Concentration of the 13F book
- Turnover
- 16%
- Quarter-over-quarter
- 13F holders
- 12 funds
- $28.2M · −2 vs prior quarter
ARK Investment Management top 13F holdings, Q2 2026
Largest reported positions by market value, from the 13F-HR filed Aug 14, 2026
| # | Company | Weight | Value | Shares | vs Q1 2026 |
|---|---|---|---|---|---|
| 1 | Tesla IncTSLA | 7.54% | $1.2B | 2,759,800 | Held |
| 2 | Advanced Micro Devices IncAMD | 5.34% | $822.8M | 1,416,443 | Trimmed |
| 3 | Space Exploration Technologies CorpSPCX | 4.97% | $765.1M | 4,478,013 | New |
| 4 | Tempus AI IncTEM | 3.77% | $580.6M | 10,022,634 | Held |
| 5 | Robinhood Markets IncHOOD | 3.41% | $525.1M | 5,236,031 | Trimmed |
| 6 | CRISPR Therapeutics AGCRSP | 3.35% | $516.0M | 9,460,939 | Trimmed |
| 7 | Shopify IncSHOP | 3.08% | $474.5M | 4,155,925 | Held |
| 8 | Twist Bioscience CorpTWST | 3.04% | $468.1M | 4,549,803 | Trimmed |
| 9 | Alphabet IncGOOGL | 2.72% | $418.7M | 1,183,456 | Added |
| 10 | 10X Genomics IncTXG | 2.49% | $383.5M | 10,003,057 | Trimmed |
| 11 | Amazon.com IncAMZN | 2.46% | $379.2M | 1,591,177 | Added |
| 12 | Palantir Technologies IncPLTR | 2.43% | $374.8M | 3,212,286 | Held |
| 13 | Coinbase Global IncCOIN | 2.38% | $367.1M | 2,511,319 | Added |
| 14 | ROBLOX CorpRBLX | 2.28% | $351.6M | 6,465,890 | Added |
| 15 | Beam Therapeutics IncBEAM | 2.28% | $351.3M | 10,234,862 | Trimmed |
| 16 | Teradyne IncTER | 2.03% | $312.0M | 644,782 | Trimmed |
| 17 | Intellia Therapeutics IncNTLA | 1.85% | $285.5M | 16,875,684 | Added |
| 18 | Circle Internet Group IncCRCL | 1.85% | $285.5M | 4,558,162 | Held |
| 19 | NVIDIA CorpNVDA | 1.79% | $276.4M | 1,381,247 | Added |
| 20 | CoreWeave IncCRWV | 1.72% | $264.5M | 2,657,192 | Held |
Source: ARK Investment Management 13F-HR on SEC EDGAR. Long equity positions only (put and call options excluded); weights are shares of the reported 13F portfolio, not total assets. How 13F filings work
ARK Investment Management biggest buys and sells, Q2 2026
Largest estimated position changes versus Q1 2026
| Company | Move | Est. flow | Shares now | Weight now |
|---|---|---|---|---|
| Space Exploration Technologies CorpSPCX | New | +$765.1M | 4,478,013 | 4.97% |
| Advanced Micro Devices IncAMD | Trimmed | −$753.1M | 1,416,443 | 5.34% |
| Roku IncROKU | Trimmed | −$445.4M | 595,880 | 0.53% |
| Teradyne IncTER | Trimmed | −$290.5M | 644,782 | 2.03% |
| Twist Bioscience CorpTWST | Trimmed | −$184.5M | 4,549,803 | 3.04% |
| Cerebras Systems IncCBRS | New | +$169.0M | 764,613 | 1.10% |
| Alphabet IncGOOGL | Added | +$163.8M | 1,183,456 | 2.72% |
| CRISPR Therapeutics AGCRSP | Trimmed | −$101.0M | 9,460,939 | 3.35% |
| X-Energy IncXE | New | +$99.4M | 5,411,846 | 0.65% |
| Baidu Inc | Trimmed | −$93.5M | 301,934 | 0.22% |
| Eli Lilly & CoLLY | Added | +$77.5M | 77,254 | 0.60% |
| Robinhood Markets IncHOOD | Trimmed | −$76.9M | 5,236,031 | 3.41% |
Estimated flow = change in share count × quarter-end price (10 new, 51 added, 73 trimmed, 5 sold out). 13F reports show holdings on the last day of the quarter, not the trade dates.
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13F Fund Holdings: Quarterly Trend
Latest: Q2 2026Aggregate ARK Investment Management share value held by 13F filers tracked by SignalX, by quarter.
Quarterly totals table
| Quarter | Funds | Total value |
|---|---|---|
| Q2 2026 | 12 | $28.2M |
| Q1 2026 | 14 | $21.8M |
| Q4 2025 | 18 | $46.6M |
| Q3 2025 | 14 | $75.7M |
| Q2 2025 | 12 | $35.7M |
| Q1 2025 | 12 | $29.5M |
| Q4 2024 | 10 | $22.0M |
| Q3 2024 | 7 | $11.7M |
- Citadel Advisors LLC+215.4K (+2022%)
- StoneX Group Inc.+7.5K (+96%)
- JPMorgan Chase & Co+5.2K (+23%)
- U.S. Bancorp+300 (+35%)
- Morgan Stanley−31.4K (-13%)
- Wells Fargo & Co−4.7K (-3%)
- Raymond James Financial−2.1K (-3%)
- Hilltop Holdings Inc.−121 (-2%)
- Bank of America Corp+12.5K
- D.E. Shaw & Co−31.7K
- Renaissance Technologies LLC−25.3K
- Ameriprise Financial−7.4K
Source: 13F-HR filings on SEC EDGAR (aggregated from 99 fund-quarter rows). Reflects only 13F filers tracked by SignalX, not the full institutional ownership universe. How 13F filings work
Latest ARK Investment Management SEC filings
ARK Investment Management 13F holdings: frequently asked questions
What stocks does ARK Investment Management own?
In its 13F-HR for Q2 2026 (filed August 14, 2026), ARK Investment Management reported 181 positions worth $15.4 billion. The largest were Tesla Inc (TSLA), 7.5%; Advanced Micro Devices Inc (AMD), 5.3%; Space Exploration Technologies Corp (SPCX), 5.0%; Tempus AI Inc (TEM), 3.8%; Robinhood Markets Inc (HOOD), 3.4%. The top 10 positions were 39.7% of the portfolio.
What did ARK Investment Management buy in Q2 2026?
Compared with Q1 2026, ARK Investment Management's largest estimated purchases were Space Exploration Technologies Corp (SPCX) (new position, about $765.1 million), Cerebras Systems Inc (CBRS) (new position, about $169.0 million), Alphabet Inc (GOOGL) (added, about $163.8 million), X-Energy Inc (XE) (new position, about $99.4 million) and Eli Lilly & Co (LLY) (added, about $77.5 million). In total it opened 10 new positions and added to 51. Amounts are estimated from share-count changes at quarter-end prices.
What did ARK Investment Management sell in Q2 2026?
Compared with Q1 2026, ARK Investment Management's largest estimated sales were Advanced Micro Devices Inc (AMD) (trimmed, about $753.1 million), Roku Inc (ROKU) (trimmed, about $445.4 million), Teradyne Inc (TER) (trimmed, about $290.5 million), Twist Bioscience Corp (TWST) (trimmed, about $184.5 million) and CRISPR Therapeutics AG (CRSP) (trimmed, about $101.0 million). In total it sold out of 5 positions and trimmed 73.
When does ARK Investment Management file 13F reports?
ARK Investment Management's latest 13F-HR was filed August 14, 2026 and covers the quarter ended June 30, 2026. 13F-HR reports are due within 45 days of each quarter-end, so the Q3 2026 report is due by November 14, 2026.
Which institutions hold ARK Investment Management stock?
As of June 30, 2026, the largest ARK Investment Management holders among the 13F filers tracked by SignalX were Citadel Advisors LLC ($8.9 million), Morgan Stanley ($8.2 million), Wells Fargo & Co ($5.4 million), Raymond James Financial ($3.1 million), JPMorgan Chase & Co ($1.1 million). 13F-HR reports are filed up to 45 days after each quarter ends.
What is ARK Investment Management's SEC CIK number?
ARK Investment Management's SEC Central Index Key (CIK) is 1697748. EDGAR lists every ARK Investment Management filing under that number.
Ask anything about ARK Investment Management
The research agent reads ARK Investment Management's filings, financials, insider trades and 13F holders, then answers with sources.