Adaptive Bio Ownership | Who Owns Adaptive Bio?
Adaptive Bio Ownership Summary
Adaptive Bio is owned by 99.16% institutional investors, 1.84% insiders. Viking global investors lp is the largest institutional shareholder, holding 19.59% of ADPT shares. Vanguard US Total Market Shares ETF is the top mutual fund, with 2.82% of its assets in Adaptive Bio shares.
ADPT Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Adaptive Bio | 99.16% | 1.84% | -1.00% |
| Sector | Healthcare Stocks | 35.56% | 12.08% | 52.36% |
| Industry | Biotech Stocks | 35.43% | 12.01% | 52.56% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Viking global investors lp | 29.99M | 19.59% | $416.31M |
| Blackrock funding, inc. /de | 13.30M | 8.69% | $184.65M |
| Vanguard group | 11.28M | 7.40% | $183.22M |
| Westfield capital management co lp | 5.44M | 3.55% | $75.46M |
| Invesco | 4.45M | 2.91% | $61.77M |
| Wellington management group llp | 3.86M | 2.52% | $53.54M |
| Geode capital management | 3.64M | 2.37% | $50.48M |
| Lord, abbett | 3.54M | 2.31% | $49.08M |
| Goldman sachs group | 3.24M | 2.12% | $45.00M |
| State street | 3.23M | 2.11% | $44.79M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Blue water life science advisors, lp | 1.01M | 11.24% | $14.02M |
| Iron triangle partners lp | 1.82M | 3.87% | $27.24M |
| Catalio capital management, lp | 722.78K | 2.10% | $10.03M |
| 1492 capital management | 281.10K | 1.49% | $3.90M |
| Beaconlight capital | 171.60K | 1.27% | $2.57M |
| Rhenman & partners asset management ab | 720.00K | 1.23% | $9.99M |
| Viking global investors lp | 29.99M | 1.16% | $416.31M |
| Aristotle atlantic partners | 1.71M | 1.11% | $23.80M |
| Essex investment management | 493.40K | 1.08% | $6.85M |
| Affinity wealth management | 342.57K | 0.95% | $7.35M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Bnp paribas asset management | 2.69M | 0.04% | 2.69M |
| Wellington management group llp | 3.86M | 0.01% | 1.69M |
| Westfield capital management co lp | 5.44M | 0.32% | 1.38M |
| Invesco | 4.45M | 0.01% | 1.34M |
| Millennium management | 1.08M | 0.01% | 1.06M |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Rubric capital management lp | - | - | -6.26M |
| Price t rowe associates inc /md/ | 1.57M | 0.00% | -2.82M |
| Macquarie group | - | - | -2.10M |
| Jennison associates | 753.07K | 0.01% | -1.92M |
| Capricorn fund managers | 22.69K | 0.04% | -1.27M |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Bnp paribas asset management | 2.69M | 0.04% | 2.69M | $37.31M |
| Summit partners public asset management | 998.25K | 0.31% | 998.25K | $14.93M |
| Vanguard fiduciary trust | 870.96K | 0.00% | 870.96K | $12.09M |
| Wasatch advisors lp | 576.27K | 0.08% | 576.27K | $12.36M |
| Exoduspoint capital management, lp | 555.02K | 0.06% | 555.02K | $7.70M |
Sold Out
| Holder | Change |
|---|---|
| Northwestern mutual wealth management | -4.00 |
| Wealthspire advisors | -7.00 |
| Ronald blue trust | -21.00 |
| Prestige wealth management group | -25.00 |
| Breakwater investment management | -27.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| 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% |
| Mar 31, 2025 | 227 | 8.10% | 152,848,969 | 6.73% | 102 | 1.09% | 113 | 0.89% | 65 | 44.44% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Vanguard US Total Market Shares ETF | 4.19M | 2.82% | - |
| Nikko AM ARK Pstv Chg Innovt P JPY Acc | 3.56M | 2.34% | -116.30K |
| Columbia Large Cap Growth SMA Cmp | 3.25M | 2.19% | 3.25M |
| Columbia Large Cap Growth V | 3.25M | 2.19% | 3.25M |
| Columbia Large Cap Growth | 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 |
| Columbia Small Cap Growth | 2.00M | 1.31% | -250.75K |
| US Small-Cap Growth II Equity Comp | 1.65M | 1.07% | 996.61K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Jul 21, 2026 | ROBINS HARLAN S | Chief Scientific Officer | Sell | $6.05M |
| Jul 21, 2026 | ROBINS HARLAN S | Chief Scientific Officer | Sell | $4.73M |
| Jul 16, 2026 | BOBULSKY SUSAN | Chief Commercial Officer, MRD | Sell | $115.00K |
| Jul 15, 2026 | LO FRANCIS | Chief People Officer | Sell | $2.39M |
| Jul 02, 2026 | ROBINS HARLAN S | Chief Scientific Officer | Sell | $5.20M |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2026 Q3 | - | 10 |
| 2026 Q2 | - | 36 |
| 2026 Q1 | - | 51 |
| 2025 Q4 | - | 16 |
| 2025 Q2 | - | 3 |
ADPT Ownership FAQ
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