How many institutions held ANAB - ANAPTYSBIO, INC - Common Stock, par value $0.001 per share in Q2 2026?

29 institutional investors reported ANAB - ANAPTYSBIO, INC - Common Stock, par value $0.001 per share for Q2 2026. Use the holders table for investor-level position and value details.

ANAPTYSBIO, INC - Common Stock, par value $0.001 per share (ANAB)

Q: What does CUSIP 032724106 represent in this 13F holders report?

CUSIP 032724106 is the security identifier for ANAB - ANAPTYSBIO, INC - Common Stock, par value $0.001 per share used to aggregate holder disclosures.

CUSIP: 032724106

Q2 2026 13F Holders as of 30 Jun 2026

Security type / class: Equity / Common Stock, par value $0.001 per share
Total 13F shares: 971,022
Total 13F value: $65,543,952
Share change: -314,508
SEC-reported price per share: $67.50
Number of holders: 29
Value change: -$17,239,798
Number of buys: 10
Number of sells: 15
Shares outstanding: 28,662,716

Security key

032724106

Report period

Q2 2026

Institutions

Top holders

ANAB full security history Ownership snapshot Full 13F holder table ANAPTYSBIO, INC SEC filings ANAPTYSBIO, INC company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP 032724106

Recent filing periods:

Q2 2026

Ownership snapshot

Top reported holders of ANAB - ANAPTYSBIO, INC - Common Stock, par value $0.001 per share (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader

Sirenia Capital Managemen...

Disclosed value leader

EcoR1 Capital, LLC

Comparable rows

15/15

Latest evidence

31 Mar 2026

13D/G 13F 3/4/5 Lead comparable stake: 6.7% 13D/G row: Sirenia Capital Management LP Showing 1-6 of 15 holder rows.

Quick read

Sirenia Capital Management LP leads the comparable SEC ownership view at 6.7%.

15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens Sirenia Capital Management LP's linked filing trail.

Comparable ownership Top 5

Sirenia Capital Management LP 6.7%

BlackRock, Inc. 6.2%

GOLDMAN SACHS GROUP INC 4.5%

MORGAN STANLEY 3.6%

First Light Asset Management, LLC 3.1%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
Sirenia Capital Management LP	13D/G 13D/G	6.7%	$108,944,405 1,920,402 shares	$0	31 Mar 2026
BlackRock, Inc.	13F 13D/G Company 13F 13D/G	6.2% from 13D/G	$93,249,334 1,681,380 shares	—	31 Mar 2026
GOLDMAN SACHS GROUP INC	13D/G 13F THE GOLDMAN SACHS GROUP, INC. · Company 13D/G 13F	4.5%	$38,314,646 1,251,295 shares	-$10,329,933	30 Sep 2025
MORGAN STANLEY	13F 13D/G Company 13F 13D/G	3.6% from 13D/G	$55,121,984 993,905 shares	—	31 Mar 2026
First Light Asset Management, LLC	13F 13D/G Company · Mathew P. Arens 13F 13D/G	3.1% from 13D/G	$31,358,803 565,431 shares	—	31 Mar 2026
MILLENNIUM MANAGEMENT LLC	13D/G 13F Company 13D/G 13F	2.9%	$39,442,003 813,571 shares	-$29,733,912	31 Dec 2025

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q2 2026

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

971,022

Rows available

Investor	Option	Weight %	Change %	SEC-reported value	* Price	Shares	Share Change	Activity	Report Period

^* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q2 2026 vs Q1 2026 Across Filers

Q1 2026 holders

205

Q2 2026 holders

Holder diff

-176

Investor	Q1 2026 Shares	Q2 2026 Shares	Share Diff	Share Chg %	Q1 2026 value	Q2 2026 value	Value change	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend