Question 1

Does Baker Bros. Advisors own KNSA stock?

Accepted Answer

Yes. As of its Q2 2026 13F, Baker Bros. Advisors holds 2,834,643 shares of KNSA (Kiniksa Pharmaceuticals International), worth $181.3M.

Question 2

How many shares of KNSA does Baker Bros. Advisors own?

Accepted Answer

As of its Q2 2026 13F, Baker Bros. Advisors holds 2,834,643 shares of KNSA (Kiniksa Pharmaceuticals International).

Question 3

What is Baker Bros. Advisors' KNSA position worth?

Accepted Answer

As of its Q2 2026 13F, Baker Bros. Advisors' KNSA position is worth $181.3M.

Question 4

Is Baker Bros. Advisors buying or selling KNSA?

Accepted Answer

In Q2 2026, Baker Bros. Advisors increased its KNSA position by 8,397 shares (+0.3%).

Question 5

When did Baker Bros. Advisors first buy KNSA?

Accepted Answer

Baker Bros. Advisors already held KNSA in its Q2 2024 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	2.8M	+0.3%	$181.3M	0.9%	$63.95	43
2026-Q1	Unchanged	2.8M	0.0%	$136.1M	0.8%	$48.15	0
2025-Q4	Increased	2.8M	+0.1%	$116.6M	0.7%	$41.25	42
2025-Q3	Unchanged	2.8M	0.0%	$109.7M	0.8%	$38.83	0
2025-Q2	Increased	2.8M	+0.2%	$78.2M	0.8%	$27.67	42
2025-Q1	Unchanged	2.8M	0.0%	$62.6M	0.7%	$22.21	0
2024-Q4	Unchanged	2.8M	0.0%	$55.7M	0.6%	$19.78	0
2024-Q3	Unchanged	2.8M	0.0%	$70.4M	0.7%	$24.99	0