Comparable stake leader
BlackRock, Inc.
SEC ownership of ANAPTYSBIO, INC
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001370053.
Disclosed value leader
EcoR1 Capital, LLC
Comparable rows
50/50
Latest evidence
30 Jun 2026
- Public ticker
- ANAB on Nasdaq
- Parsed ownership sources
-
13F, 13D/G, and 3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
BlackRock, Inc.
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
50 of 50
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
BlackRock, Inc.
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
30 Jun 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001370053
- Issuer location
- San Diego, CA
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of ANAPTYSBIO, INC (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
EcoR1 Capital, LLC
Comparable rows
50/50
Latest evidence
30 Jun 2026
13F
13D/G
3/4/5
Lead comparable stake: 6.2%
13D/G row: BlackRock, Inc.
Showing 1-8 of 50 holder rows.
Quick read
BlackRock, Inc. leads the comparable SEC ownership view at 6.2%.
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.
Open SEC evidence
Opens BlackRock, Inc.'s linked filing trail.
Comparable ownership
Top 5
BlackRock, Inc.
6.2%
Sirenia Capital Management LP
5%
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 1-8 of 50 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| BlackRock, Inc. |
13F
13D/G
Company
|
6.2%
from 13D/G
|
$124,473,310
1,844,049 shares
|
— | 30 Jun 2026 |
| Sirenia Capital Management LP |
13D/G
|
5%
|
$99,051,158
1,491,959 shares
|
-$28,444,331 | 30 Jun 2026 |
| GOLDMAN SACHS GROUP INC |
13F
13D/G
Company · THE GOLDMAN SACHS GROUP, INC.
|
4.5%
from 13D/G
|
$39,424,725
584,070 shares
|
— | 30 Jun 2026 |
| MORGAN STANLEY |
13D/G
13F
Company
|
3.6%
|
$45,484,108
1,006,063 shares
|
-$37,928,432 | 31 Dec 2025 |
| First Light Asset Management, LLC |
13F
13D/G
Company · Mathew P. Arens
|
3.1%
from 13D/G
|
$39,285,270
582,004 shares
|
— | 30 Jun 2026 |
| MILLENNIUM MANAGEMENT LLC |
13F
13D/G
Company
|
2.9%
from 13D/G
|
$54,493,830
807,316 shares
|
— | 30 Jun 2026 |
| FMR LLC |
13F
13D/G
Company
|
0.9%
from 13D/G
|
$16,234,486
240,511 shares
|
— | 30 Jun 2026 |
| Frazier Life Sciences Public Fund, L.P. |
13D/G
|
0.5%
|
—
|
$0 | 31 Jan 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.
Forms 3/4/5 flow
Insider trading overview
Net insider flow leans to selling over the last 12 months. Net value: -$9,741,694.
Buys
$0
Insiders: 0
Sells
$9,741,694
Insiders: 7
Net
-$9,741,694
Shares: -202,844
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 202,844
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 38,324 | $0 | $2,247,650 | -$2,247,650 |
| 6-9 | 0 | 156,280 | $0 | $7,255,084 | -$7,255,084 |
| 9-12 | 0 | 8,240 | $0 | $238,960 | -$238,960 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-18 of 18 reporting-owner rows connected to ANAPTYSBIO, INC. Open a relationship link for the CIK-to-CIK filing trail.
Rows
18
Largest Forms 3/4/5 holder
EcoR1 Capital, LLC
Net 12M change
-$9,741,694
Latest report
15 Jun 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| EcoR1 Capital, LLC | Director, 10%+ Owner | $102,051,945 | Filing P/S | 30 Dec 2024 | ||
| Daniel Faga | President, CEO, Director | $34,118,977 | -$2,805,072 | -7.6% | Mixed | 20 Apr 2026 |
| Paul F. Lizzul | Chief Medical Officer | $2,403,484 | -$521,526 | -18% | Mixed | 12 Mar 2026 |
| John P. Schmid | Director | $2,180,438 | -$1,158,451 | -35% | Mixed | 15 Jun 2026 |
| Dennis Mulroy | Chief Financial Officer | $1,387,042 | -$1,549,332 | -53% | Mixed | 07 Jan 2026 |
| Eric J. Loumeau | Chief Legal Officer | $1,053,405 | -$2,983,439 | -74% | Mixed | 11 Feb 2026 |
| John A. Orwin | Director | $1,018,163 | Mixed | 15 Jun 2026 | ||
| Hollings Renton | Director | $702,041 | Mixed | 15 Jun 2026 | ||
| Magda Marquet | Director | $577,329 | -$530,531 | -48% | Mixed | 15 Jan 2026 |
| J. Anthony Ware | Director | $569,666 | -$193,343 | -25% | Mixed | 06 Jan 2026 |
| Rita Jain | Director | $359,910 | Mixed | 06 Jan 2026 | ||
| Dennis M. Fenton | Director | $211,270 | Mixed | 06 Jan 2026 | ||
| James N. Topper | Director, 10%+ Owner | $85,059 | Mixed | 06 Jan 2023 | ||
| Laura Jean Hamill | Director | $85,059 | Mixed | 06 Jan 2023 | ||
| Susannah Gray | Director | Mixed | 27 Apr 2026 | |||
| Christopher M. Murphy | Chief Financial Officer | Mixed | 11 May 2026 | |||
| Owen Hughes | Director | Mixed | 11 May 2026 | |||
| Hamza Suria | President, CEO, Director | Mixed | 10 Feb 2022 |
Recent insider transactions for ANAPTYSBIO, INC
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 |
|---|---|---|---|---|---|---|---|---|---|---|
| John P. Schmid | ANAB | Common Stock | Options Exercise | 19.1% | 6,030 | 37,652 | 15 Jun 2026 | Direct | ||
| John P. Schmid | ANAB | Restricted Stock Unit | Options Exercise | -100% | -6,030 | 0 | 15 Jun 2026 | Direct | ||
| Hollings Renton | ANAB | Common Stock | Options Exercise | 121.4% | 6,030 | 10,995 | 15 Jun 2026 | Direct | ||
| Hollings Renton | ANAB | Restricted Stock Unit | Options Exercise | -100% | -6,030 | 0 | 15 Jun 2026 | Direct | ||
| John A. Orwin | ANAB | Common Stock | Options Exercise | 56.5% | 6,030 | 16,695 | 15 Jun 2026 | Direct | ||
| John A. Orwin | ANAB | Restricted Stock Unit | Options Exercise | -100% | -6,030 | 0 | 15 Jun 2026 | Direct | ||
| Owen Hughes | ANAB | Restricted Stock Units | Award | 11,250 | 11,250 | 11 May 2026 | Direct | |||
| Christopher M. Murphy | ANAB | Restricted Stock Units | Award | 25,765 | 25,765 | 11 May 2026 | Direct | |||
| Susannah Gray | ANAB | Restricted Stock Unit | Award | 11,250 | 11,250 | 27 Apr 2026 | Direct | |||
| Daniel Faga | ANAB | Employee Stock Option (right to buy) | Disposed to Issuer | -50% | -11,000 | 11,000 | 20 Apr 2026 | Direct | ||
| John A. Orwin | ANAB | Stock Option (right to buy) | Award | 38,671 | 16,510 | 20 Apr 2026 | Direct | |||
| John A. Orwin | ANAB | Stock Option (right to buy) | Disposed to Issuer | -92.1% | -38,671 | 3,311 | 20 Apr 2026 | Direct | ||
| John P. Schmid | ANAB | Stock Option (right to buy) | Award | 73,810 | 16,510 | 20 Apr 2026 | Direct | |||
| John P. Schmid | ANAB | Stock Option (right to buy) | Disposed to Issuer | -93.1% | -73,810 | 5,500 | 20 Apr 2026 | Direct | ||
| Hollings Renton | ANAB | Stock Option (right to buy) | Award | 73,810 | 16,510 | 20 Apr 2026 | Direct | |||
| Hollings Renton | ANAB | Stock Option (right to buy) | Disposed to Issuer | -93.1% | -73,810 | 5,500 | 20 Apr 2026 | Direct | ||
| John P. Schmid | ANAB | Common Stock | Sale | -39.5% | $1,158,451 | $56.11 | -20,645 | 31,622 | 30 Mar 2026 | Direct |
| Daniel Faga | ANAB | Common Stock | Sale | -3.44% | $1,089,199 | $61.61 | -17,679 | 495,965 | 27 Mar 2026 | Direct |
| Daniel Faga | ANAB | Common Stock | Award | 7.16% | 34,300 | 513,644 | 25 Mar 2026 | Direct | ||
| Paul F. Lizzul | ANAB | Performance Stock Units | Award | 16,667 | 16,667 | 12 Mar 2026 | Direct | |||
| Daniel Faga | ANAB | Performance Stock Units | Award | 53,334 | 53,334 | 12 Mar 2026 | Direct | |||
| Eric J. Loumeau | ANAB | Common Stock | Sale | -43.8% | $540,000 | $54.00 | -10,000 | 12,835 | 11 Feb 2026 | Direct |
| Eric J. Loumeau | ANAB | Common Stock | Options Exercise | 77.9% | 10,000 | 22,835 | 11 Feb 2026 | Direct | ||
| Eric J. Loumeau | ANAB | Employee Stock Option (right to buy) | Options Exercise | -22.2% | -10,000 | 35,000 | 11 Feb 2026 | Direct | ||
| Magda Marquet | ANAB | Common Stock | Sale | -52.6% | $530,531 | $48.23 | -11,000 | 9,930 | 15 Jan 2026 | Direct |
| Magda Marquet | ANAB | Common Stock | Options Exercise | 110.8% | 11,000 | 20,930 | 15 Jan 2026 | Direct | ||
| Magda Marquet | ANAB | Stock Option (right to buy) | Options Exercise | -100% | -11,000 | 0 | 15 Jan 2026 | Direct | ||
| Paul F. Lizzul | ANAB | Common Stock | Sale | -7.98% | $163,192 | $44.71 | -3,650 | 42,088 | 08 Jan 2026 | Direct |
| Dennis Mulroy | ANAB | Common Stock | Sale | -10.3% | $112,446 | $44.71 | -2,515 | 21,852 | 08 Jan 2026 | Direct |
| Eric J. Loumeau | ANAB | Common Stock | Sale | -14.7% | $98,809 | $44.71 | -2,210 | 12,835 | 08 Jan 2026 | Direct |
| Daniel Faga | ANAB | Common Stock | Sale | -2.89% | $638,504 | $44.71 | -14,281 | 479,344 | 08 Jan 2026 | Direct |
| Paul F. Lizzul | ANAB | Common Stock | Options Exercise | 22.9% | 8,525 | 45,738 | 07 Jan 2026 | Direct | ||
| Paul F. Lizzul | ANAB | Restricted Stock Unit | Options Exercise | -25% | -8,525 | 25,575 | 07 Jan 2026 | Direct | ||
| Dennis Mulroy | ANAB | Common Stock | Options Exercise | 37.9% | 6,700 | 24,367 | 07 Jan 2026 | Direct | ||
| Dennis Mulroy | ANAB | Restricted Stock Unit | Options Exercise | -25% | -6,700 | 20,100 | 07 Jan 2026 | Direct | ||
| Eric J. Loumeau | ANAB | Common Stock | Options Exercise | 64.3% | 5,888 | 15,045 | 07 Jan 2026 | Direct | ||
| Eric J. Loumeau | ANAB | Restricted Stock Unit | Options Exercise | -25% | -5,888 | 17,662 | 07 Jan 2026 | Direct | ||
| Daniel Faga | ANAB | Common Stock | Options Exercise | 5.75% | 26,838 | 493,625 | 07 Jan 2026 | Direct | ||
| Daniel Faga | ANAB | Restricted Stock Unit | Options Exercise | -25% | -26,838 | 80,512 | 07 Jan 2026 | Direct | ||
| Eric J. Loumeau | ANAB | Common Stock | Sale | -51.3% | $439,200 | $45.56 | -9,639 | 9,157 | 07 Jan 2026 | Direct |
| Paul F. Lizzul | ANAB | Common Stock | Sale | -5.67% | $100,821 | $45.11 | -2,235 | 37,213 | 07 Jan 2026 | Direct |
| Daniel Faga | ANAB | Common Stock | Sale | -1.93% | $415,102 | $45.11 | -9,202 | 466,787 | 07 Jan 2026 | Direct |
| Dennis Mulroy | ANAB | Common Stock | Sale | -9.75% | $86,070 | $45.11 | -1,908 | 17,667 | 07 Jan 2026 | Direct |
| Eric J. Loumeau | ANAB | Common Stock | Options Exercise | 41.8% | 5,545 | 18,796 | 06 Jan 2026 | Direct | ||
| Eric J. Loumeau | ANAB | Stock Option (right to buy) | Award | 23,200 | 23,200 | 06 Jan 2026 | Direct | |||
| Eric J. Loumeau | ANAB | Restricted Stock Unit | Award | 17,100 | 17,100 | 06 Jan 2026 | Direct | |||
| Eric J. Loumeau | ANAB | Restricted Stock Unit | Options Exercise | -50% | -5,545 | 5,545 | 06 Jan 2026 | Direct | ||
| Paul F. Lizzul | ANAB | Common Stock | Options Exercise | 18.4% | 6,145 | 39,448 | 06 Jan 2026 | Direct | ||
| Paul F. Lizzul | ANAB | Stock Option (right to buy) | Award | 29,000 | 29,000 | 06 Jan 2026 | Direct | |||
| Paul F. Lizzul | ANAB | Restricted Stock Unit | Award | 21,400 | 21,400 | 06 Jan 2026 | Direct |
* marks a reported price that did not pass the local price check.