Adaptive Bio Ownership | Who Owns Adaptive Bio?
Adaptive Bio Ownership Summary
Adaptive Bio is owned by 100.79% institutional investors, 1.39% insiders. Viking global investors lp is the largest institutional shareholder, holding 19.29% of ADPT shares. Vanguard MStar Total Stk Mkt Idx Invest is the top mutual fund, with 3.04% of its assets in Adaptive Bio shares.
ADPT Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Adaptive Bio | 100.79% | 1.39% | -2.18% |
| Sector | Healthcare Stocks | 244.59% | 12.11% | -156.70% |
| Industry | Biotech Stocks | 379.61% | 11.70% | -291.31% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Viking global investors lp | 29.99M | 19.29% | $643.37M |
| Blackrock funding, inc. /de | 15.14M | 9.73% | $324.73M |
| Vanguard group | 11.28M | 7.40% | $183.22M |
| Vanguard capital management | 6.40M | 4.12% | $137.36M |
| Wellington management group llp | 5.91M | 3.80% | $126.80M |
| D. e. shaw | 4.63M | 2.97% | $99.22M |
| Westfield capital management co lp | 4.27M | 2.74% | $91.54M |
| Geode capital management | 3.64M | 2.34% | $78.13M |
| State street | 3.46M | 2.22% | $74.18M |
| Invesco | 3.09M | 1.99% | $66.37M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Blue water life science advisors, lp | 1.01M | 13.65% | $21.67M |
| Iron triangle partners lp | 1.82M | 3.87% | $27.24M |
| 1492 capital management | 382.84K | 2.42% | $8.21M |
| Viking global investors lp | 29.99M | 1.83% | $643.37M |
| Aristotle atlantic partners | 1.84M | 1.64% | $39.44M |
| Lisanti capital growth | 325.15K | 1.53% | $6.97M |
| Essex investment management | 472.76K | 1.33% | $10.14M |
| Beaconlight capital | 171.60K | 1.27% | $2.57M |
| Parkman healthcare partners | 486.98K | 1.07% | $10.45M |
| Affinity wealth management | 342.57K | 0.95% | $7.35M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| D. e. shaw | 4.63M | 0.05% | 2.66M |
| Wellington management group llp | 5.91M | 0.02% | 2.05M |
| Blackrock funding, inc. /de | 15.14M | 0.00% | 1.84M |
| Sixth street partners management company | 1.18M | 0.00% | 1.18M |
| Price t rowe associates inc /md/ | 2.67M | 0.01% | 1.10M |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Rubric capital management lp | - | - | -6.26M |
| Macquarie group | - | - | -2.10M |
| Ameriprise financial | 1.09M | 0.00% | -1.93M |
| Principal financial group | 38.83K | 0.00% | -1.67M |
| Invesco | 3.09M | 0.01% | -1.36M |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Sixth street partners management company | 1.18M | 0.00% | 1.18M | $25.28M |
| Summit partners public asset management | 998.25K | 0.31% | 998.25K | $14.93M |
| Freestone grove partners lp | 881.69K | 0.12% | 881.69K | $18.91M |
| Wasatch advisors lp | 576.27K | 0.08% | 576.27K | $12.36M |
| Polar asset management partners | 272.57K | 0.10% | 272.57K | $5.85M |
Sold Out
| Holder | Change |
|---|---|
| Northwestern mutual wealth management | -4.00 |
| Jpl wealth management | -5.00 |
| Wealthspire advisors | -7.00 |
| Ronald blue trust | -21.00 |
| Lloyd advisory services, llc. | -23.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Jun 30, 2026 | 306 | 2.34% | 156,755,519 | 3.23% | 100 | 1.02% | 163 | 4.49% | 85 | -10.53% |
| Mar 31, 2026 | 295 | 3.15% | 151,842,782 | 1.03% | 99 | 1.03% | 156 | 2.63% | 92 | - |
| Dec 31, 2025 | 188 | -30.88% | 74,799,607 | -48.57% | 49 | 0.54% | 97 | -35.33% | 60 | -24.05% |
| 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% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Vanguard MStar Total Stk Mkt Idx Invest | 4.85M | 3.04% | 17.56K |
| Vanguard US Total Market Shares ETF | 4.19M | 2.82% | - |
| iShares Russell 2000 ETF | 3.89M | 2.44% | -69.12K |
| Nikko AM ARK Pstv Chg Innovt P JPY Acc | 3.56M | 2.34% | -116.30K |
| Columbia Large Cap Growth V | 3.25M | 2.19% | 3.25M |
| Columbia Large Cap Growth | 3.25M | 2.19% | 3.25M |
| Columbia Large Cap Growth SMA Cmp | 3.25M | 2.19% | 3.25M |
| Columbia Cornerstone Growth SMA | 3.25M | 2.14% | 3.25M |
| Columbia Small Cap Growth Inst | 2.19M | 1.44% | 193.43K |
| Nikko Gbl All Biological Genome Eq MF | 2.06M | 1.40% | -121.82K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Aug 26, 2026 | OWEN KATEY EINTERZ | - | Sell | $249.99K |
| Aug 18, 2026 | HERSHBERG ROBERT | - | Sell | $382.36K |
| Aug 18, 2026 | HERSHBERG ROBERT | - | Sell | $365.85K |
| Aug 18, 2026 | ROBINS CHAD M | CEO and Chairman | Sell | $6.82M |
| Aug 17, 2026 | ROBINS CHAD M | CEO and Chairman | Sell | $64.56K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2026 Q3 | - | 22 |
| 2026 Q2 | - | 36 |
| 2026 Q1 | - | 51 |
| 2025 Q4 | - | 16 |
| 2025 Q2 | - | 3 |
ADPT Ownership FAQ
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