Question 1

Does BAMCO own ZLAB stock?

Accepted Answer

Yes. As of its Q2 2026 13F, BAMCO holds 1,623,694 shares of ZLAB (Zai Lab), worth $30.9M.

Question 2

How many shares of ZLAB does BAMCO own?

Accepted Answer

As of its Q2 2026 13F, BAMCO holds 1,623,694 shares of ZLAB (Zai Lab).

Question 3

What is BAMCO's ZLAB position worth?

Accepted Answer

As of its Q2 2026 13F, BAMCO's ZLAB position is worth $30.9M.

Question 4

Is BAMCO buying or selling ZLAB?

Accepted Answer

In Q2 2026, BAMCO reduced its ZLAB position by 34,624 shares (-2.1%).

Question 5

When did BAMCO first buy ZLAB?

Accepted Answer

BAMCO already held ZLAB in its Q4 2018 13F, the earliest on record, and has listed it in 31 quarterly 13F filings.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	Decreased	1.6M	-2.1%	$30.9M	0.0%	$19.00	0
2026-Q1	Increased	1.7M	+16.9%	$31.2M	0.1%	$17.72	34
2025-Q4	Increased	1.4M	+3.4%	$25M	0.1%	$17.63	30
2025-Q3	Decreased	1.4M	-13.6%	$46.5M	0.1%	—	0
2025-Q2	Decreased	1.6M	-13.2%	$55.5M	0.2%	—	0
2025-Q1	Decreased	1.8M	-4.2%	$66.1M	0.2%	—	0
2024-Q4	Increased	1.9M	+0.1%	$50M	0.1%	—	35
2024-Q3	Increased	1.9M	+6.3%	$46M	0.1%	$23.63	37