Julian Baker’s AbCellera Biologics ABCL Stock Holding History

Julian Baker’s Portfolio ABCL Stock Details ABCL Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$259M	Buy	33,012,138 +2,736,200	+9%	+$13.4M	1.3%	15
2026 Q1	$106M	Buy	30,275,938 +2,750,298	+10%	+$9.9M	0.61%	24
2025 Q4	$94.1M	Hold	27,525,640	–	–	0.55%	27
2025 Q3	$138M	Hold	27,525,640	–	–	1%	13
2025 Q2	$94.4M	Hold	27,525,640	–	–	0.92%	14
2025 Q1	$61.4M	Hold	27,525,640	–	–	0.68%	18
2024 Q4	$80.7M	Hold	27,525,640	–	–	0.86%	17
2024 Q3	$71.6M	Hold	27,525,640	–	–	0.74%	20
2024 Q2	$81.5M	Hold	27,525,640	–	–	1.04%	16
2024 Q1	$125M	Buy	27,525,640 +4,615,887	+20%	+$23.6M	1.56%	8
2023 Q4	$131M	Buy	22,909,753 +2,146,430	+10%	+$9.95M	1.49%	11
2023 Q3	$95.5M	Buy	20,763,323 +4,313,143	+26%	+$26.2M	0.55%	12
2023 Q2	$106M	Buy	16,450,180 +6,000,000	+57%	+$40.9M	0.62%	14
2023 Q1	$78.8M	Hold	10,450,180	–	–	0.43%	15
2022 Q4	$106M	Hold	10,450,180	–	–	0.64%	16
2022 Q3	$103M	Hold	10,450,180	–	–	0.68%	12
2022 Q2	$111M	Hold	10,450,180	–	–	0.63%	11
2022 Q1	$102M	Hold	10,450,180	–	–	0.59%	13
2021 Q4	$149M	Hold	10,450,180	–	–	0.73%	13
2021 Q3	$209M	Hold	10,450,180	–	–	0.92%	12
2021 Q2	$230M	Hold	10,450,180	–	–	1.01%	12
2021 Q1	$355M	Hold	10,450,180	–	–	1.54%	11
2020 Q4	$421M	Buy	+10,450,180	New	+$478M	1.58%	11

Other funds holding ABCL

Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return

Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return

TWC

TD Waterhouse Canada Toronto, Ontario, Canada $38B AUM 39.14% 1-Year Est. Return

Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return

UBS AM Chicago, Illinois $550B AUM 43.33% 1-Year Est. Return

ACH

ArrowMark Colorado Holdings Denver, Colorado $2.4B AUM 42.85% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

DCM

Driehaus Capital Management Chicago, Illinois $17.3B AUM 211.34% 1-Year Est. Return

Tudor Investment Corp Stamford, Connecticut $71.9B AUM 42.37% 1-Year Est. Return

Marshall Wace London, United Kingdom $127B AUM 46.06% 1-Year Est. Return

Julian Baker's ABCL Position: Q2 2026 in Review

Julian Baker increased its AbCellera Biologics (ABCL) stake by 9% in Q2 2026, buying an estimated $13.4M and bringing the position to 33,012,138 shares worth $259M. The position accounts for 1.3% of the portfolio, ranked #15.

Julian Baker first reported a position in ABCL in Q4 2020 and has held it in 23 quarters since. The position peaked at $421M in Q4 2020. 151 funds tracked by Wall St. Rank hold ABCL as of Q2 2026.

Julian Baker held 33,012,138 shares of AbCellera Biologics worth $259M as of Q2 2026.
Julian Baker bought 2,736,200 AbCellera Biologics shares in Q2 2026, an estimated $13.4M.
AbCellera Biologics made up 1.3% of Julian Baker's portfolio in Q2 2026, its #15 holding.
Julian Baker first reported a position in AbCellera Biologics in Q4 2020 and has held it in 23 quarters since.
Julian Baker's AbCellera Biologics position peaked at $421M in Q4 2020.
151 funds tracked by Wall St. Rank held AbCellera Biologics as of Q2 2026.

Based on Baker Bros. Advisors's 13F filing for Q2 2026, filed 14 Aug 2026.