Adaptive Bio Ownership | Who Owns Adaptive Bio?

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Adaptive Bio Ownership Summary

Adaptive Bio is owned by 102.45% institutional investors, 2.36% insiders. Viking global investors lp is the largest institutional shareholder, holding 20.33% of ADPT shares. ARK Genomic Revolution is the top mutual fund, with 5.13% of its assets in Adaptive Bio shares.

ADPT Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Adaptive Bio	102.45%	2.36%	-4.80%
Sector	Healthcare Stocks	279.19%	10.58%	-189.76%
Industry	Biotech Stocks	63.97%	10.68%	25.35%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Viking global investors lp	29.99M	20.33%	$179.81M
Rubric capital management lp	14.60M	9.90%	$87.53M
Blackrock funding, inc. /de	12.12M	8.22%	$72.66M
Vanguard group	10.71M	7.26%	$64.24M
Ark investment management	9.42M	6.39%	$56.50M
Nikko asset management americas	6.83M	4.63%	$40.93M
Sumitomo mitsui trust	6.83M	4.63%	$40.96M
Millennium management	6.29M	4.27%	$37.72M
Massachusetts financial services co /ma/	3.37M	2.29%	$20.21M
Soleus capital management	2.98M	2.02%	$17.88M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Blue water life science advisors, lp	2.15M	11.39%	$12.86M
Soleus capital management	2.98M	1.12%	$17.88M
Rubric capital management lp	14.60M	1.12%	$87.53M
Pier capital	1.27M	1.09%	$7.64M
Essex investment management	625.84K	0.67%	$3.75M
Viking global investors lp	29.99M	0.58%	$179.81M
Aristotle atlantic partners	2.89M	0.54%	$17.31M
Ark investment management	9.42M	0.47%	$56.50M
Clearline capital lp	586.78K	0.47%	$3.52M
Nikko asset management americas	6.83M	0.44%	$40.93M

Top Buyers

Holder	Shares	% Assets	Change
Voya investment management	2.43M	0.02%	2.39M
Soleus capital management	2.98M	1.12%	1.87M
Ameriprise financial	736.72K	0.00%	654.31K
Deutsche bank ag\	630.58K	0.00%	503.84K
Massachusetts financial services co /ma/	3.37M	0.01%	489.56K

Top Sellers

Holder	Shares	% Assets	Change
Millennium management	6.29M	0.02%	-3.11M
Ark investment management	9.42M	0.47%	-2.18M
Pictet asset management sa	26.94K	0.00%	-1.27M
Point72 asset management	-	-	-937.33K
Nikko asset management americas	6.83M	0.44%	-900.75K

New Positions

Holder	Shares	% Assets	Change	Value
Cinctive capital management lp	241.32K	0.07%	241.32K	$1.45M
Swiss national bank	203.10K	0.00%	203.10K	$1.22M
Trexquant investment lp	185.87K	0.01%	185.87K	$1.11M
Caxton associates lp	123.29K	0.02%	123.29K	$739.11K
Ubs asset management americas	118.59K	0.00%	118.59K	$710.97K

Sold Out

Holder	Change
Northwestern mutual wealth management	-24.00
Ronald blue trust	-87.00
Srs capital advisors	-97.00
Bokf, na	-116.00
Pacific capital wealth advisors	-390.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
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%
Jun 30, 2024	177	-7.81%	148,665,230	4.35%	101	1.07%	92	6.98%	46	-30.30%
Mar 31, 2024	192	-4.48%	142,469,885	-0.71%	97	0.99%	86	-10.42%	66	-8.33%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
ARK Genomic Revolution	7.62M	5.13%	-1.68M
ARK Genomic Revolution ETF	5.14M	3.39%	-283.22K
Nikko AM ARK Pstv Chg Innovt P JPY Acc	4.81M	3.17%	-40.89K
Vanguard Total Stock Mkt Idx Inv	4.49M	2.95%	-
Vanguard US Total Market Shares ETF	4.19M	2.82%	-
Columbia Large Cap Growth SMA Cmp	3.25M	2.19%	3.25M
Columbia Large Cap Growth	3.25M	2.19%	3.25M
Columbia Large Cap Growth V	3.25M	2.19%	3.25M
iShares Russell 2000 ETF	2.98M	1.96%	1.46K
Columbia Small Cap Growth Inst	2.44M	1.60%	191.63K

Recent Insider Transactions

Date	Name	Role	Activity	Value
May 16, 2025	PISKEL KYLE	Chief Financial Officer	Sell	$17.15K
May 16, 2025	PISKEL KYLE	Chief Financial Officer	Sell	$17.15K
May 01, 2025	ROBINS HARLAN S	Chief Scientific Officer	Sell	$502.83K
Mar 24, 2025	ROBINS HARLAN S	Chief Scientific Officer	Sell	$15.28K
Mar 13, 2025	GRIFFIN MICHELLE RENEE	-	Sell	$260.93K

Insider Transactions Trends

Date	Buy	Sell
2025 Q1	-	25
2024 Q4	-	1
2024 Q3	-	1
2024 Q2	-	-
2024 Q1	-	14

ADPT Ownership FAQ

Who Owns Adaptive Bio?

Adaptive Bio shareholders are primarily institutional investors at 102.45%, followed by 2.36% insiders and -4.81% retail investors. The average institutional ownership in Adaptive Bio's industry, Biotech Stocks , is 63.97%, 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, 20.33%), Rubric capital management lp (14.6M shares, 9.90%), and Blackrock funding, inc. /de (12.12M shares, 8.22%). Together, they hold 38.45% 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 11.39% of its assets in 2.15M Adaptive Bio shares, valued at 12.86M$.

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

ARK Genomic Revolution is the top mutual fund holder of Adaptive Bio shares, with 5.13% of its total shares outstanding invested in 7.62M Adaptive Bio shares.

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