ANAPTYSBIO, INC

ANABNASDAQ

$45.65-2.24 (-4.68% today)

Legend

Insider buy

Insider sell

Congress buy

Congress sell

Hedge Funds
bought vs soldGreener markers show more buyers; redder markers show more sellers.

Company share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size.

Insider buy
Insider sell
Congress buy
Congress sell
Hedge Funds bought vs sold

Share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size. Greener fund markers mean more buyers.

Insider Buy
Insider Sell
Congress Buy
Congress Sell
Hedge funds bought vs sold
BuybackNo changeNet dilution

ANAPTYSBIO, INC price and activity chart data

Showing the 1Y range: Oct 7, 2025 to Oct 7, 2026. Price (+129.2%). 0 insider or congressional trades plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
Date	Category	Person	Role	Action	Amount	Change in holding

Largest institutional holders

13F · Q2 2026

Fund	% of company held	Value	% of portfolio	Quarterly activity
EcoR1 Capital, LLC	27.08%	$532M	25.86%	Reduce 33.33%
BlackRock, Inc.	6.34%	$124M	0.00%	Not reported
Tang Capital Management LLC	4.57%	$89.8M	4.08%	Reduce 33.33%
State Street Corp	4.42%	$86.8M	0.00%	Not reported
Vanguard Capital Management LLC	3.11%	$61.2M	0.00%	Not reported
Affinity Asset Advisors, LLC	2.84%	$55.8M	2.52%	Reduce 41.41%
Sanofi	2.82%	$55.5M	10.39%	Reduce 33.33%
Millennium Management LLC	2.77%	$54.5M	0.02%	Not reported
Woodline Partners LP	2.46%	$48.4M	0.15%	Not reported
683 Capital Management, LLC	2.27%	$44.6M	2.19%	Reduce 29.60%
Geode Capital Management, LLC	2.19%	$43.1M	0.00%	Not reported
Palo Alto Investors LP	2.07%	$40.7M	5.63%	Reduce 36.96%
Goldman Sachs Group Inc	2.01%	$39.4M	0.00%	Not reported
First Light Asset Management, LLC	2.00%	$39.3M	2.39%	Reduce 31.38%
D. E. Shaw & Co., Inc.	1.85%	$36.4M	0.02%	Not reported
Vanguard Portfolio Management LLC	1.81%	$35.6M	0.00%	Not reported
Apis Capital Advisors, LLC	1.71%	$33.5M	3.27%	Add 39.22%
Sofinnova Investments, Inc.	1.70%	$33.3M	1.72%	Add 32.54%
Arrowstreet Capital, Limited Partnership	1.68%	$33M	0.01%	Not reported
Nuveen, LLC	1.45%	$28.4M	0.01%	Not reported
Bank of America Corp	1.44%	$28.2M	0.00%	Not reported
Citadel Advisors LLC	1.36%	$26.6M	0.00%	Not reported
Federated Hermes, Inc.	1.35%	$26.4M	0.04%	Not reported
Squarepoint Ops LLC	1.11%	$21.9M	0.02%	Not reported
Two Sigma Investments, LP	0.90%	$17.8M	0.01%	Not reported
First Trust Advisors LP	0.89%	$17.5M	0.01%	Not reported
Morgan Stanley	0.88%	$17.4M	0.00%	Not reported
FMR LLC	0.83%	$16.2M	0.00%	Not reported
Qube Research & Technologies Ltd	0.79%	$15.4M	0.01%	Not reported
Empowered Funds, LLC	0.71%	$13.9M	0.07%	New Not reported
Northern Trust Corp	0.70%	$13.7M	0.00%	Not reported
Charles Schwab Investment Management Inc	0.70%	$13.7M	0.00%	Not reported
Invesco Ltd.	0.69%	$13.6M	0.00%	Not reported
Dimensional Fund Advisors LP	0.64%	$12.5M	0.00%	Not reported
Greenhaven Road Investment Management, L.P.	0.59%	$11.5M	7.50%	New Not reported
Victory Capital Management Inc	0.58%	$11.4M	0.01%	Not reported
Mackenzie Financial Corp	0.52%	$10.2M	0.01%	Not reported
UBS Group AG	0.50%	$9.91M	0.00%	Not reported
Vanguard Fiduciary Trust Co	0.50%	$9.9M	0.00%	Not reported
Ensign Peak Advisors, Inc	0.37%	$7.23M	0.01%	Reduce 43.17%
Citigroup Inc	0.34%	$6.69M	0.00%	Not reported
Nomura Asset Management International Inc.	0.32%	$6.33M	0.01%	Reduce 33.33%
Prudential Financial Inc	0.30%	$5.8M	0.01%	Not reported
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main	0.29%	$5.67M	0.00%	New Not reported
JPMorgan Chase & Co	0.28%	$5.29M	0.00%	Not reported
Granahan Investment Management, LLC	0.26%	$5.13M	0.18%	Not reported
Irenic Capital Management LP	0.24%	$4.76M	0.23%	New Not reported
Eversept Partners, LP	0.24%	$4.72M	0.25%	Add 72.23%
SG Americas Securities, LLC	0.23%	$4.5M	0.00%	Not reported
Jacobs Levy Equity Management, Inc	0.21%	$4.21M	0.02%	Not reported

50 of 199 holders

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