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Boothbay Fund Management’s Zai Lab ZLAB Stock Holding History

Boothbay Fund Management’s Portfolio ZLAB Stock Details ZLAB Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q4 		– Sell
-11,586
Closed -$393K – 2439
2025
Q3 		$393K Buy
+11,586
New +$399K 0.01% 1302
2025
Q2 		– Sell
-29,520
Closed -$1.07M – 1816
2025
Q1 		$1.07M Buy
+29,520
New +$908K 0.03% 607
2022
Q3 		– Sell
-9,960
Closed -$345K – 2656
2022
Q2 		$345K Hold
9,960
– – 0.01% 1374
2022
Q1 		$438K Buy
+9,960
New +$482K 0.01% 1369
2021
Q2 		– Sell
-4,392
Closed -$586K – 2160
2021
Q1 		$586K Buy
+4,392
New +$680K 0.02% 857
2018
Q4 		– Sell
-13,200
Closed -$257K – 931
2018
Q3 		$257K Buy
+13,200
New +$286K 0.03% 559

Other funds holding ZLAB

RI
RTW Investments New York $10B AUM 135.35% 1-Year Est. Return
FLSM
Frazier Life Sciences Management Palo Alto, California $3.89B AUM 201.1% 1-Year Est. Return
ClearBridge Investments
ClearBridge Investments New York $115B AUM 24.78% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
BAMCO Inc
BAMCO Inc New York $33.1B AUM 11.16% 1-Year Est. Return
ACM
ADAR1 Capital Management Austin, Texas $1.7B AUM 340.85% 1-Year Est. Return
RSCM
Rock Springs Capital Management Baltimore, Maryland $1.7B AUM 93.03% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return

Boothbay Fund Management's ZLAB Position: Q4 2025 in Review

Boothbay Fund Management sold out of Zai Lab (ZLAB) in Q4 2025, closing a stake of 11,586 shares — an estimated $393K sold.

Boothbay Fund Management first reported a position in ZLAB in Q3 2018 and held it in 6 quarters. The position peaked at $1.07M in Q1 2025. 126 funds tracked by Wall St. Rank hold ZLAB as of Q4 2025.

  • Boothbay Fund Management reported no remaining Zai Lab position as of Q4 2025 after selling out during the quarter.
  • Boothbay Fund Management sold 11,586 Zai Lab shares in Q4 2025, an estimated $393K.
  • Boothbay Fund Management first reported a position in Zai Lab in Q3 2018 and held it in 6 quarters.
  • Boothbay Fund Management's Zai Lab position peaked at $1.07M in Q1 2025.
  • 126 funds tracked by Wall St. Rank held Zai Lab as of Q4 2025.

Based on Boothbay Fund Management's 13F filing for Q4 2025, filed 17 Feb 2026.