What does CUSIP 03770N101 represent in this 13F holders report?

CUSIP 03770N101 is the security identifier for APGE - Apogee Therapeutics, Inc. - Common Stock used to aggregate holder disclosures.

How many institutions held APGE - Apogee Therapeutics, Inc. - Common Stock in Q1 2026?

222 institutional investors reported APGE - Apogee Therapeutics, Inc. - Common Stock for Q1 2026. Use the holders table for investor-level position and value details.

Apogee Therapeutics, Inc. - Common Stock (APGE)

CUSIP: 03770N101

Q1 2026 13F Holders as of 31 Mar 2026

Security type / class: Equity / Common Stock
Total 13F shares: 79,061,115
Total 13F value: $6,638,906,729
Share change: +8,638,668
Put/Call ratio: 41%
SEC-reported price per share: $84.17
Number of holders: 222
Value change: +$743,266,174
Number of buys: 144
Number of sells: 83
Shares outstanding: 62,702,889

Security key

03770N101

Report period

Q1 2026

Institutions

222

Top holders

APGE full security history Ownership snapshot Full 13F holder table Apogee Therapeutics, Inc. SEC filings Apogee Therapeutics, Inc. company facts

Broader feeds

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

Ownership snapshot

Top reported holders of APGE - Apogee Therapeutics, Inc. - Common Stock (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

BlackRock, Inc.

Disclosed value leader

Venrock Adviser, LLC

Comparable rows

15/15

Latest evidence

31 Dec 2025

13F 13D/G Lead comparable stake: 5.5% 13D/G row: BlackRock, Inc. Showing 1-6 of 15 holder rows.

Quick read

BlackRock, Inc. leads the comparable SEC ownership view at 5.5%.

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 BlackRock, Inc.'s linked filing trail.

Comparable ownership Top 5

BlackRock, Inc. 5.5%

RTW INVESTMENTS, LP 4.9%

DRIEHAUS CAPITAL MANAGEMENT LLC 4.7%

Venrock Adviser, LLC 14%

FMR LLC 13%

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
BlackRock, Inc.	13F 13D/G Company 13F 13D/G	5.5% from 13D/G	$285,615,865 3,783,994 shares	—	31 Dec 2025
RTW INVESTMENTS, LP	13D/G 13F Company 13D/G 13F	4.9%	$214,255,663 2,712,097 shares	$0	31 Dec 2025
DRIEHAUS CAPITAL MANAGEMENT LLC	13F 13D/G Company 13F 13D/G	4.7% from 13D/G	$164,825,978 2,183,704 shares	—	31 Dec 2025
Venrock Adviser, LLC	13F Company 13F	14%	$641,075,869 8,493,321 shares	—	31 Dec 2025
FMR LLC	13F Company 13F	13%	$620,825,834 8,225,038 shares	—	31 Dec 2025
WELLINGTON MANAGEMENT GROUP LLP	13F Company 13F	7.6%	$358,272,236 4,746,585 shares	—	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 Q1 2026

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

Institutions

222

79,061,115

Rows available

222

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 Q1 2026 vs Q1 2026 Across Filers

Q1 2026 holders

222

Q1 2026 holders

222

Holder diff

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