Adaptive Bio Ownership | Who Owns Adaptive Bio?


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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


TypeName% Inst% Insiders% Retail
StockAdaptive Bio99.16%1.84%-1.00%
SectorHealthcare Stocks 35.56%12.08%52.36%
IndustryBiotech Stocks 35.43%12.01%52.56%

Institutional Shareholders


Top Institutional Shareholders by Total Shares

HolderShares% HoldingValue
Viking global investors lp29.99M19.59%$416.31M
Blackrock funding, inc. /de13.30M8.69%$184.65M
Vanguard group11.28M7.40%$183.22M
Westfield capital management co lp5.44M3.55%$75.46M
Invesco4.45M2.91%$61.77M
Wellington management group llp3.86M2.52%$53.54M
Geode capital management3.64M2.37%$50.48M
Lord, abbett3.54M2.31%$49.08M
Goldman sachs group3.24M2.12%$45.00M
State street3.23M2.11%$44.79M

Top Institutional Shareholders by % of Total Assets

HolderShares% AssetsValue
Blue water life science advisors, lp1.01M11.24%$14.02M
Iron triangle partners lp1.82M3.87%$27.24M
Catalio capital management, lp722.78K2.10%$10.03M
1492 capital management281.10K1.49%$3.90M
Beaconlight capital171.60K1.27%$2.57M
Rhenman & partners asset management ab720.00K1.23%$9.99M
Viking global investors lp29.99M1.16%$416.31M
Aristotle atlantic partners1.71M1.11%$23.80M
Essex investment management493.40K1.08%$6.85M
Affinity wealth management342.57K0.95%$7.35M

Top Buyers

HolderShares% AssetsChange
Bnp paribas asset management2.69M0.04%2.69M
Wellington management group llp3.86M0.01%1.69M
Westfield capital management co lp5.44M0.32%1.38M
Invesco4.45M0.01%1.34M
Millennium management1.08M0.01%1.06M

Top Sellers

HolderShares% AssetsChange
Rubric capital management lp---6.26M
Price t rowe associates inc /md/1.57M0.00%-2.82M
Macquarie group---2.10M
Jennison associates753.07K0.01%-1.92M
Capricorn fund managers22.69K0.04%-1.27M

New Positions

HolderShares% AssetsChangeValue
Bnp paribas asset management2.69M0.04%2.69M$37.31M
Summit partners public asset management998.25K0.31%998.25K$14.93M
Vanguard fiduciary trust870.96K0.00%870.96K$12.09M
Wasatch advisors lp576.27K0.08%576.27K$12.36M
Exoduspoint capital management, lp555.02K0.06%555.02K$7.70M

Sold Out

HolderChange
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


DateHoldingsChange %SharesChange %OwnershipChange %Increased PositionChange %Decreased PositionChange %
Mar 31, 20262953.15%151,842,7821.03%991.03%1562.63%92-
Dec 31, 2025188-30.88%74,799,607-48.57%490.54%97-35.33%60-24.05%
Sep 30, 20252575.33%143,897,903-2.89%941.00%139-7724.19%
Jun 30, 20252437.05%148,113,052-1.78%970.95%13722.32%63-4.55%
Mar 31, 20252278.10%152,848,9696.73%1021.09%1130.89%6544.44%

Top Mutual Funds Shareholders


HolderShares% HoldingChange
Vanguard US Total Market Shares ETF4.19M2.82%-
Nikko AM ARK Pstv Chg Innovt P JPY Acc3.56M2.34%-116.30K
Columbia Large Cap Growth SMA Cmp3.25M2.19%3.25M
Columbia Large Cap Growth V3.25M2.19%3.25M
Columbia Large Cap Growth3.25M2.19%3.25M
Columbia Cornerstone Growth SMA3.25M2.14%3.25M
Columbia Small Cap Growth Inst2.19M1.44%193.43K
Nikko Gbl All Biological Genome Eq MF2.06M1.40%-121.82K
Columbia Small Cap Growth2.00M1.31%-250.75K
US Small-Cap Growth II Equity Comp1.65M1.07%996.61K

Recent Insider Transactions


DateNameRoleActivityValue
Jul 21, 2026ROBINS HARLAN S Chief Scientific OfficerSell$6.05M
Jul 21, 2026ROBINS HARLAN S Chief Scientific OfficerSell$4.73M
Jul 16, 2026BOBULSKY SUSAN Chief Commercial Officer, MRDSell$115.00K
Jul 15, 2026LO FRANCIS Chief People OfficerSell$2.39M
Jul 02, 2026ROBINS HARLAN S Chief Scientific OfficerSell$5.20M

Insider Transactions Trends


DateBuySell
2026 Q3-10
2026 Q2-36
2026 Q1-51
2025 Q4-16
2025 Q2-3

ADPT Ownership FAQ


Who Owns Adaptive Bio?

Adaptive Bio shareholders are primarily institutional investors at 99.16%, followed by 1.84% insiders and -1.00% retail investors. The average institutional ownership in Adaptive Bio's industry, Biotech Stocks , is 35.43%, which Adaptive Bio exceeds.

Who owns the most shares of Adaptive Bio?

Adaptive Bio’s largest shareholders are Viking global investors lp (29.99M shares, 19.59%), Blackrock funding, inc. /de (13.3M shares, 8.69%), and Vanguard group (11.28M shares, 7.40%). Together, they hold 35.68% of Adaptive Bio’s total shares outstanding.

Does Blackrock own Adaptive Bio?

BlackRock is not among the top 10 institutional shareholders of Adaptive Bio.

Who is Adaptive Bio’s biggest shareholder by percentage of total assets invested?

Blue water life science advisors, lp is Adaptive Bio’s biggest shareholder by percentage of total assets invested, with 11.24% of its assets in 1.01M Adaptive Bio shares, valued at 14.02M$.

Who is the top mutual fund holder of Adaptive Bio shares?

Vanguard US Total Market Shares ETF is the top mutual fund holder of Adaptive Bio shares, with 2.82% of its total shares outstanding invested in 4.19M Adaptive Bio shares.

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