Adaptive Bio Ownership | Who Owns Adaptive Bio?
Adaptive Bio Ownership Summary
Adaptive Bio is owned by 94.62% institutional investors, 2.27% insiders, and 3.11% retail investors. Viking global investors lp is the largest institutional shareholder, holding 19.72% of ADPT shares. Vanguard Total Stock Mkt Idx Inv is the top mutual fund, with 2.89% of its assets in Adaptive Bio shares.
ADPT Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Adaptive Bio | 94.62% | 2.27% | 3.11% |
| Sector | Healthcare Stocks | 42.53% | 10.81% | 46.67% |
| Industry | Biotech Stocks | 45.24% | 10.75% | 44.01% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Viking global investors lp | 29.99M | 19.72% | $448.71M |
| Blackrock funding, inc. /de | 13.36M | 8.78% | $199.84M |
| Vanguard group | 11.28M | 7.41% | $168.68M |
| Millennium management | 6.29M | 4.27% | $37.72M |
| Ameriprise financial | 5.97M | 3.93% | $89.34B |
| Sumitomo mitsui trust | 3.65M | 2.40% | $54.61M |
| Nikko asset management americas | 3.65M | 2.40% | $54.65M |
| Geode capital management | 3.40M | 2.24% | $50.89M |
| Ark investment management | 3.17M | 2.08% | $47.36B |
| Aristotle atlantic partners | 3.13M | 2.06% | $46.78M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Blue water life science advisors, lp | 2.15M | 29.28% | $32.09M |
| Iron triangle partners lp | 1.82M | 3.87% | $27.24M |
| Catalio capital management, lp | 884.89K | 2.45% | $13.24M |
| Pier capital | 635.08K | 1.49% | $9.50M |
| Essex investment management | 638.46K | 1.46% | $9.55M |
| Aristotle atlantic partners | 3.13M | 1.36% | $46.78M |
| Beaconlight capital | 171.60K | 1.27% | $2.57M |
| Viking global investors lp | 29.99M | 1.17% | $448.71M |
| Lisanti capital growth | 299.18K | 1.09% | $4.48M |
| Rhenman & partners asset management ab | 495.00K | 0.82% | $7.41B |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Ameriprise financial | 5.97M | 0.02% | 2.73M |
| Arrowstreet capital, limited partnership | 2.44M | 0.02% | 2.06M |
| Deutsche bank ag\ | 1.71M | 0.01% | 1.54M |
| Macquarie group | 2.10M | 0.04% | 1.44M |
| Jennison associates | 1.31M | 0.01% | 1.22M |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Rubric capital management lp | - | - | -6.26M |
| Braidwell lp | 736.01K | 0.33% | -3.13M |
| Millennium management | 6.29M | 0.02% | -3.11M |
| Point72 asset management | 319.47K | 0.01% | -1.05M |
| Perceptive advisors | - | - | -930.97K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Summit partners public asset management | 998.25K | 0.31% | 998.25K | $14.93M |
| Next century growth investors | 531.32K | 0.58% | 531.32K | $7.95M |
| Wellington management group llp | 501.08K | 0.00% | 501.08K | $7.50M |
| Rhenman & partners asset management ab | 495.00K | 0.82% | 495.00K | $7.41B |
| Affinity wealth management | 303.53K | 0.66% | 303.53K | $4.54M |
Sold Out
| Holder | Change |
|---|---|
| Ronald blue trust | -21.00 |
| Northwestern mutual wealth management | -24.00 |
| Birch capital management | -40.00 |
| Stephens consulting | -45.00 |
| Riggs asset managment | -100.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Sep 30, 2025 | 257 | 5.33% | 143,897,903 | -2.89% | 94 | 1.00% | 139 | - | 77 | 24.19% |
| Jun 30, 2025 | 243 | 7.05% | 148,113,052 | -1.78% | 97 | 0.95% | 137 | 22.32% | 63 | -4.55% |
| Mar 31, 2025 | 227 | 8.10% | 152,848,969 | 6.73% | 102 | 1.09% | 113 | 0.89% | 65 | 44.44% |
| Dec 31, 2024 | 209 | 11.17% | 143,202,065 | 0.07% | 97 | 1.03% | 111 | 14.43% | 45 | 2.27% |
| Sep 30, 2024 | 188 | 6.21% | 143,105,692 | -3.74% | 97 | 0.93% | 97 | 5.43% | 44 | -4.35% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Vanguard Total Stock Mkt Idx Inv | 4.40M | 2.89% | -94.13K |
| Vanguard US Total Market Shares ETF | 4.19M | 2.82% | - |
| ARK Genomic Revolution | 3.93M | 2.58% | -3.69M |
| iShares Russell 2000 ETF | 3.61M | 2.37% | - |
| Nikko AM ARK Pstv Chg Innovt P JPY Acc | 3.56M | 2.34% | -116.30K |
| Amova ARK Pstv Chg Innovt P JPY Acc | 3.35M | 2.20% | -207.56K |
| Columbia Large Cap Growth | 3.25M | 2.19% | 3.25M |
| Columbia Large Cap Growth SMA Cmp | 3.25M | 2.19% | 3.25M |
| Columbia Large Cap Growth V | 3.25M | 2.19% | 3.25M |
| Columbia Cornerstone Growth SMA | 3.25M | 2.14% | 3.25M |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Nov 21, 2025 | BENZENO SHARON | Chief Commercial Ofc Imm Med | Sell | $5.22M |
| Nov 20, 2025 | BENZENO SHARON | Chief Commercial Ofc Imm Med | Sell | $4.93M |
| Nov 17, 2025 | PISKEL KYLE | Chief Financial Officer | Sell | $3.34K |
| Nov 10, 2025 | ROBINS HARLAN S | Chief Scientific Officer | Sell | $148.20K |
| Nov 11, 2025 | ROBINS CHAD M | CEO and Chairman | Sell | $18.02K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2025 Q4 | - | 5 |
| 2025 Q2 | - | 3 |
| 2025 Q1 | - | 25 |
| 2024 Q4 | - | 1 |
| 2024 Q3 | - | 1 |
ADPT Ownership FAQ
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