​

Adaptive Bio Ownership | Who Owns Adaptive Bio?

OverviewForecastRevenueFinancialsChartTranscripts

Adaptive Bio Ownership Summary

Adaptive Bio is owned by 49.07% institutional investors, 2.05% insiders, and 48.88% 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 3.00% of its assets in Adaptive Bio shares.

ADPT Ownership Benchmark

TypeName% Inst% Insiders% Retail
StockAdaptive Bio49.07%2.05%48.88%
SectorHealthcare Stocks 232.86%10.65%-143.51%
IndustryBiotech Stocks 382.13%10.41%-292.54%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

HolderShares% HoldingValue
Viking global investors lp29.99M19.72%$448.71M
Blackrock funding, inc. /de13.33M8.79%$216.54M
Vanguard group11.28M7.40%$183.22M
Millennium management6.29M4.27%$37.72M
Ameriprise financial5.97M3.93%$89.34B
Westfield capital management co lp4.06M2.68%$65.94M
Geode capital management3.51M2.31%$57.04M
Aristotle atlantic partners3.13M2.06%$46.78M
Lord, abbett3.08M2.03%$50.03M
State street3.08M2.02%$46.07M

Top Institutional Shareholders by % of Total Assets

HolderShares% AssetsValue
Blue water life science advisors, lp2.15M29.28%$32.09M
Iron triangle partners lp1.82M3.87%$27.24M
Capricorn fund managers1.29M2.80%$17.93M
Catalio capital management, lp884.89K2.45%$13.24M
1492 capital management281.10K1.49%$3.90M
Essex investment management638.46K1.46%$9.55M
Aristotle atlantic partners3.13M1.36%$46.78M
Beaconlight capital171.60K1.27%$2.57M
Viking global investors lp29.99M1.17%$448.71M
Rhenman & partners asset management ab495.00K0.82%$7.41B

Top Buyers

HolderShares% AssetsChange
Westfield capital management co lp4.06M0.27%4.06M
Ameriprise financial5.97M0.02%2.73M
Arrowstreet capital, limited partnership2.44M0.02%2.06M
Lord, abbett3.08M0.15%1.85M
Capricorn fund managers1.29M2.80%1.29M

Top Sellers

HolderShares% AssetsChange
Rubric capital management lp---6.26M
Braidwell lp736.01K0.33%-3.13M
Millennium management6.29M0.02%-3.11M
Macquarie group---2.10M
Jennison associates753.07K0.01%-1.92M

New Positions

HolderShares% AssetsChangeValue
Westfield capital management co lp4.06M0.27%4.06M$65.94M
Capricorn fund managers1.29M2.80%1.29M$17.93M
Summit partners public asset management998.25K0.31%998.25K$14.93M
Vanguard fiduciary trust870.96K0.00%870.96K$12.09M
Next century growth investors531.32K0.58%531.32K$7.95M

Sold Out

HolderChange
Northwestern mutual wealth management-4.00
Wealthspire advisors-7.00
Ronald blue trust-21.00
Prestige wealth management group-25.00
Birch capital management-40.00

Institutional Ownership Trends

DateHoldingsChange %SharesChange %OwnershipChange %Increased PositionChange %Decreased PositionChange %
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%
Dec 31, 202420911.17%143,202,0650.07%971.03%11114.43%452.27%

Top Mutual Funds Shareholders

HolderShares% HoldingChange
Vanguard Total Stock Mkt Idx Inv4.62M3.00%30.30K
Vanguard US Total Market Shares ETF4.19M2.82%-
Nikko AM ARK Pstv Chg Innovt P JPY Acc3.56M2.34%-116.30K
iShares Russell 2000 ETF3.51M2.19%29.61K
Columbia Large Cap Growth3.25M2.19%3.25M
Columbia Large Cap Growth SMA Cmp3.25M2.19%3.25M
Columbia Large Cap Growth V3.25M2.19%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

Recent Insider Transactions

DateNameRoleActivityValue
Apr 27, 2026RUBINSTEIN JULIE President and COOSell$270.90K
Apr 22, 2026RUBINSTEIN JULIE President and COOSell$269.32K
Apr 23, 2026RUBINSTEIN JULIE President and COOSell$261.88K
Apr 24, 2026RUBINSTEIN JULIE President and COOSell$267.22K
Apr 20, 2026RUBINSTEIN JULIE President and COOSell$277.32K

Insider Transactions Trends

DateBuySell
2026 Q2-26
2026 Q1-51
2025 Q4-16
2025 Q2-3
2025 Q1-25

ADPT Ownership FAQ

Who Owns Adaptive Bio?

Adaptive Bio shareholders are primarily institutional investors at 49.07%, followed by 2.05% insiders and 48.88% retail investors. The average institutional ownership in Adaptive Bio's industry, Biotech Stocks , is 382.13%, which Adaptive Bio falls below.

Who owns the most shares of Adaptive Bio?

Adaptive Bio’s largest shareholders are Viking global investors lp (29.99M shares, 19.72%), Blackrock funding, inc. /de (13.33M shares, 8.79%), and Vanguard group (11.28M shares, 7.40%). Together, they hold 35.91% 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 29.28% of its assets in 2.15M Adaptive Bio shares, valued at 32.09M$.

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

Vanguard Total Stock Mkt Idx Inv is the top mutual fund holder of Adaptive Bio shares, with 3.00% of its total shares outstanding invested in 4.62M Adaptive Bio shares.

Try Tickergate Pro Free

Customize Everything. 100% Flexibility. Fast and Easy to Use (No code or Excel Needed)

  • Customize your own personal stocks lists, views and charts

  • Choose from hundreds of fields, up to 15 years of history

  • Conduct deep comparison analysis

  • Discover trending investment themes

  • Find your next best investment

  • Research stocks using tools