Question 1

Does Driehaus Capital Management own ADPT stock?

Accepted Answer

Yes. As of its Q2 2026 13F, Driehaus Capital Management holds 2,527,703 shares of ADPT (Adaptive Biotechnologies), worth $54.2M.

Question 2

How many shares of ADPT does Driehaus Capital Management own?

Accepted Answer

As of its Q2 2026 13F, Driehaus Capital Management holds 2,527,703 shares of ADPT (Adaptive Biotechnologies).

Question 3

What is Driehaus Capital Management's ADPT position worth?

Accepted Answer

As of its Q2 2026 13F, Driehaus Capital Management's ADPT position is worth $54.2M.

Question 4

Is Driehaus Capital Management buying or selling ADPT?

Accepted Answer

In Q2 2026, Driehaus Capital Management increased its ADPT position by 777,102 shares (+44.4%).

Question 5

When did Driehaus Capital Management first buy ADPT?

Accepted Answer

Driehaus Capital Management already held ADPT in its Q2 2019 13F, the earliest on record, and has listed it in 9 quarterly 13F filings.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	Increased	2.5M	+44.4%	$54.2M	0.3%	$21.45	47
2026-Q1	Decreased	1.8M	-36.6%	$24.3M	0.2%	$16.08	0
2025-Q4	Decreased	2.8M	-8.6%	$44.8M	0.3%	$16.42	0
2025-Q3	Increased	3M	+24.6%	$45.2M	0.3%	$13.46	43
2025-Q2	Increased	2.4M	+12.6%	$28.2M	0.2%	$11.79	39
2025-Q1	Increased	2.2M	+154.4%	$16M	0.2%	$7.67	54
2024-Q4	Increased	846,171	+94.4%	$5.1M	0.0%	$6.11	43
2024-Q3	New	435,294	-	$2.2M	0.0%	$5.00	36
2019-Q3	Exited	0	-100.0%	$0	0.0%	$30.31	0
2019-Q2	New	46,490	-	$2.2M	0.1%	$48.30	36

ADPT10 quarters

ADPT
10 quarters