Comparable stake leader
BlackRock, Inc.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001974640.
Comparable stake leader
BlackRock, Inc.
Disclosed value leader
Venrock Adviser, LLC
Comparable rows
50/50
Latest evidence
30 Jun 2026
Ownership snapshot
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.
Quick read
50 of 50 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.
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| BlackRock, Inc. |
13F
13D/G
Company
|
5.5%
from 13D/G
|
$730,948,292
5,507,032 shares
|
— | 30 Jun 2026 |
| RTW INVESTMENTS, LP |
13D/G
|
4.9%
|
$214,255,663
2,712,097 shares
|
$0 | 31 Dec 2025 |
| DRIEHAUS CAPITAL MANAGEMENT LLC |
13F
13D/G
Company
|
4.7%
from 13D/G
|
$230,963,606
1,740,101 shares
|
— | 30 Jun 2026 |
| FMR LLC |
13F
13D/G
Company
|
4%
from 13D/G
|
$330,914,038
2,493,137 shares
|
— | 30 Jun 2026 |
| T. Rowe Price Investment Management, Inc. |
13D/G
13F
Company
|
1.3%
|
$102,595,557
772,969 shares
|
-$1,263,349,841 | 30 Jun 2026 |
| WELLINGTON MANAGEMENT GROUP LLP |
13F
13D/G
Company
|
0.9%
from 13D/G
|
$74,902,989
564,326 shares
|
— | 30 Jun 2026 |
| Venrock Adviser, LLC |
13F
Company
|
14%
|
$1,127,318,496
8,493,321 shares
|
— | 30 Jun 2026 |
| HBK INVESTMENTS L P |
13F
Company
|
4.5%
|
$378,280,500
2,850,000 shares
|
— | 30 Jun 2026 |
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.
Forms 3/4/5 flow
Net insider flow leans to selling over the last 12 months. Net value: -$159,161,708.
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 137,400 | $0 | $18,244,445 | -$18,244,445 |
| 3-6 | 0 | 84,500 | $0 | $7,007,405 | -$7,007,405 |
| 6-9 | 0 | 1,853,200 | $0 | $141,119,221 | -$141,119,221 |
| 9-12 | 365,853 | 112,795 | $14,999,936 | $7,790,573 | +$7,209,363 |
Reporting owners
Showing 1-13 of 13 reporting-owner rows connected to Apogee Therapeutics, Inc.. Open a relationship link for the CIK-to-CIK filing trail.
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Nimish P. Shah | Director | $14,999,936 | +$14,999,936 | +100% | Mixed | 03 Sep 2026 |
| Jane Pritchett Henderson | Chief Financial Officer | $0 | -$2,092,807 | -100% | Mixed | 03 Sep 2026 |
| Carl Dambkowski | Chief Medical Officer | $0 | -$10,154,032 | -100% | Mixed | 02 Sep 2026 |
| Jennifer A. Fox | Director | $0 | Mixed | 03 Sep 2026 | ||
| Mark C. McKenna | Director | $0 | Mixed | 03 Sep 2026 | ||
| Peter Evan Harwin | Director | $0 | Mixed | 03 Sep 2026 | ||
| Michael Thomas Henderson | Chief Executive Officer, Director | $0 | -$28,389,806 | -100% | Mixed | 03 Sep 2026 |
| William A. Jones Jr. | Director | $0 | Mixed | 03 Sep 2026 | ||
| Fairmount Funds Management LLC | Director | $0 | -$133,525,000 | -100% | Mixed | 03 Sep 2026 |
| Fairmount Healthcare Fund II L.P. | Director | $0 | Mixed | 03 Sep 2026 | ||
| Tomas Kiselak | Director | $0 | Mixed | 03 Sep 2026 | ||
| Andrew Gottesdiener | Director | Mixed | 17 Jun 2025 | |||
| Lisa Bollinger | Director | Mixed | 03 Sep 2026 |
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Fairmount Funds Management LLC | APGE | Common Stock | Disposed to Issuer | -100% | -51,166 | 0 | 03 Sep 2026 | By Peter Harwin | ||
| Fairmount Funds Management LLC | APGE | Common Stock | Disposed to Issuer | -100% | -51,166 | 0 | 03 Sep 2026 | By Peter Harwin | ||
| Fairmount Funds Management LLC | APGE | Common Stock | Disposed to Issuer | -100% | -51,166 | 0 | 03 Sep 2026 | By Peter Harwin | ||
| Fairmount Funds Management LLC | APGE | Common Stock | Disposed to Issuer | -100% | -51,166 | 0 | 03 Sep 2026 | By Peter Harwin | ||
| Fairmount Funds Management LLC | APGE | Common Stock | Disposed to Issuer | -100% | -51,166 | 0 | 03 Sep 2026 | By Tomas Kiselak | ||
| Fairmount Funds Management LLC | APGE | Common Stock | Disposed to Issuer | -100% | -51,166 | 0 | 03 Sep 2026 | By Tomas Kiselak | ||
| Fairmount Funds Management LLC | APGE | Common Stock | Disposed to Issuer | -100% | -51,166 | 0 | 03 Sep 2026 | By Tomas Kiselak | ||
| Fairmount Funds Management LLC | APGE | Common Stock | Disposed to Issuer | -100% | -51,166 | 0 | 03 Sep 2026 | By Tomas Kiselak | ||
| Fairmount Funds Management LLC | APGE | Common Stock | Disposed to Issuer | -100% | -340,855 | 0 | 03 Sep 2026 | By Fairmount Healthcare Fund II LP | ||
| Fairmount Funds Management LLC | APGE | Common Stock | Disposed to Issuer | -100% | -340,855 | 0 | 03 Sep 2026 | By Fairmount Healthcare Fund II LP | ||
| Fairmount Funds Management LLC | APGE | Common Stock | Disposed to Issuer | -100% | -340,855 | 0 | 03 Sep 2026 | By Fairmount Healthcare Fund II LP | ||
| Fairmount Funds Management LLC | APGE | Common Stock | Disposed to Issuer | -100% | -340,855 | 0 | 03 Sep 2026 | By Fairmount Healthcare Fund II LP | ||
| Fairmount Funds Management LLC | APGE | Stock Option (Right to Buy) | Disposed to Issuer | -100% | -80,246 | 0 | 03 Sep 2026 | By Tomas Kiselak | ||
| Fairmount Funds Management LLC | APGE | Stock Option (Right to Buy) | Disposed to Issuer | -100% | -80,246 | 0 | 03 Sep 2026 | By Tomas Kiselak | ||
| Fairmount Funds Management LLC | APGE | Stock Option (Right to Buy) | Disposed to Issuer | -100% | -80,246 | 0 | 03 Sep 2026 | By Tomas Kiselak | ||
| Fairmount Funds Management LLC | APGE | Stock Option (Right to Buy) | Disposed to Issuer | -100% | -80,246 | 0 | 03 Sep 2026 | By Tomas Kiselak | ||
| Fairmount Funds Management LLC | APGE | Non-Voting Common Stock | Disposed to Issuer | -100% | -6,743,321 | 0 | 03 Sep 2026 | By Fairmount Healthcare Fund II LP | ||
| Fairmount Funds Management LLC | APGE | Non-Voting Common Stock | Disposed to Issuer | -100% | -6,743,321 | 0 | 03 Sep 2026 | By Fairmount Healthcare Fund II LP | ||
| Fairmount Funds Management LLC | APGE | Non-Voting Common Stock | Disposed to Issuer | -100% | -6,743,321 | 0 | 03 Sep 2026 | By Fairmount Healthcare Fund II LP | ||
| Fairmount Funds Management LLC | APGE | Non-Voting Common Stock | Disposed to Issuer | -100% | -6,743,321 | 0 | 03 Sep 2026 | By Fairmount Healthcare Fund II LP | ||
| Mark C. McKenna | APGE | Common Stock | Disposed to Issuer | -100% | -20,000 | 0 | 03 Sep 2026 | Direct | ||
| Mark C. McKenna | APGE | Stock Option (Right to Buy) | Disposed to Issuer | -100% | -182,488 | 0 | 03 Sep 2026 | Direct | ||
| William A. Jones Jr. | APGE | Common Stock | Disposed to Issuer | -100% | -34,824 | 0 | 03 Sep 2026 | Direct | ||
| William A. Jones Jr. | APGE | Stock Option (Right to Buy) | Disposed to Issuer | -100% | -32,488 | 0 | 03 Sep 2026 | Direct | ||
| Carl Dambkowski | APGE | Common Stock | Disposed to Issuer | -100% | -167,123 | 0 | 03 Sep 2026 | Direct | ||
| Carl Dambkowski | APGE | Stock Option (Right to Buy) | Disposed to Issuer | -100% | -319,317 | 0 | 03 Sep 2026 | Direct | ||
| Jennifer A. Fox | APGE | Common Stock | Disposed to Issuer | -100% | -34,824 | 0 | 03 Sep 2026 | Direct | ||
| Jennifer A. Fox | APGE | Stock Option (Right to Buy) | Disposed to Issuer | -100% | -32,488 | 0 | 03 Sep 2026 | Direct | ||
| Jane Pritchett Henderson | APGE | Common Stock | Disposed to Issuer | -100% | -158,371 | 0 | 03 Sep 2026 | Direct | ||
| Jane Pritchett Henderson | APGE | Stock Option (Right to Buy) | Disposed to Issuer | -100% | -383,997 | 0 | 03 Sep 2026 | Direct | ||
| Lisa Bollinger | APGE | Stock Option (Right to Buy) | Disposed to Issuer | -100% | -48,780 | 0 | 03 Sep 2026 | Direct | ||
| Michael Thomas Henderson | APGE | Common Stock | Disposed to Issuer | -100% | -920,941 | 0 | 03 Sep 2026 | Direct | ||
| Michael Thomas Henderson | APGE | Stock Option (Right to Buy) | Disposed to Issuer | -100% | -997,064 | 0 | 03 Sep 2026 | Direct | ||
| Nimish P. Shah | APGE | Common Stock | Disposed to Issuer | -100% | -1,750,000 | 0 | 03 Sep 2026 | See footnote | ||
| Nimish P. Shah | APGE | Pre-Funded Warrants (Right to Buy) | Disposed to Issuer | -100% | -365,853 | 0 | 03 Sep 2026 | See footnote | ||
| Nimish P. Shah | APGE | Stock Option (Right to Buy) | Disposed to Issuer | -100% | -80,246 | 0 | 03 Sep 2026 | Direct | ||
| Nimish P. Shah | APGE | Non-Voting Common Stock | Disposed to Issuer | -100% | -6,743,321 | 0 | 03 Sep 2026 | See footnote | ||
| Carl Dambkowski | APGE | Common Stock | Disposed to Issuer | -0.82% | -1,375 | 167,123 | 02 Sep 2026 | Direct | ||
| Fairmount Funds Management LLC | APGE | Common Stock | Options Exercise | 14.1% | 42,208 | 340,855 | 07 Aug 2026 | By Fairmount Healthcare Fund II LP | ||
| Fairmount Funds Management LLC | APGE | Common Stock | Options Exercise | 14.1% | 42,208 | 340,855 | 07 Aug 2026 | By Fairmount Healthcare Fund II LP | ||
| Fairmount Funds Management LLC | APGE | Common Stock | Options Exercise | 14.1% | 42,208 | 340,855 | 07 Aug 2026 | By Fairmount Healthcare Fund II LP | ||
| Fairmount Funds Management LLC | APGE | Common Stock | Options Exercise | 14.1% | 42,208 | 340,855 | 07 Aug 2026 | By Fairmount Healthcare Fund II LP | ||
| Fairmount Funds Management LLC | APGE | Stock Option (Right to Buy) | Options Exercise | -100% | -42,208 | 0 | 07 Aug 2026 | Direct | ||
| Fairmount Funds Management LLC | APGE | Stock Option (Right to Buy) | Options Exercise | -100% | -42,208 | 0 | 07 Aug 2026 | Direct | ||
| Fairmount Funds Management LLC | APGE | Stock Option (Right to Buy) | Options Exercise | -100% | -42,208 | 0 | 07 Aug 2026 | Direct | ||
| Fairmount Funds Management LLC | APGE | Stock Option (Right to Buy) | Options Exercise | -100% | -42,208 | 0 | 07 Aug 2026 | Direct | ||
| Carl Dambkowski | APGE | Common Stock | Sale | -3.16% | $737,935 | $134.17 | -5,500 | 168,498 | 05 Aug 2026 | Direct |
| Carl Dambkowski | APGE | Common Stock | Options Exercise | 2.43% | 4,125 | 173,998 | 05 Aug 2026 | Direct | ||
| Carl Dambkowski | APGE | Stock Option (Right to Buy) | Options Exercise | -3.59% | -4,125 | 110,665 | 05 Aug 2026 | Direct | ||
| Jane Pritchett Henderson | APGE | Common Stock | Gift | -8.65% | -15,000 | 158,371 | 24 Jul 2026 | Direct |