13F reference period
Q2 2026
CUSIP: 21833P301
13F reference period
Q2 2026
Institutions Reporting
107
Shares (Excl. Options)
13,766,527
Price
$9.38
The headline uses the Q2 2026 reference period after its reporting deadline. Available reports may still be incomplete or amended. Newer periods in the history table contain incoming reports and may be incomplete.
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Latest holder context comes from 107 institutions filings for Q2 2026.
Security key
21833P301
13F reference period
Q2 2026
13F holders
107
13D/G owners
6
CIK / CUSIP context first
Broader feeds
Open recent reporting periods for CUSIP 21833P301:
13D/G owners
Large-stake holder rows connected to Schedule 13D/G evidence.
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| Cormorant Asset Management, LP | 13% | +4.2% | $24,434,598 | -$312,902 | 2,344,971 | -1.3% | Cormorant Asset Management, LP | 11 Dec 2025 |
| RA CAPITAL MANAGEMENT, L.P. | 9.9% | $15,777,853 | 1,914,788 | RA Capital Management, L.P. | 23 Sep 2026 | |||
| Aberdeen Group plc | 7.5% | $10,759,045 | 1,321,750 | Aberdeen Group plc | 31 Dec 2025 | |||
| BlackRock, Inc. | 5.9% | +100% | $10,256,411 | +$6,950,814 | 1,093,434 | +210% | BlackRock, Inc. | 30 Jun 2026 |
| ORBIMED ADVISORS LLC | 5.9% | $5,307,498 | 718,200 | OrbiMed Capital LLC | 31 Dec 2024 | |||
| VANGUARD GROUP INC | 4.9% | $4,136,516 | 599,495 | The Vanguard Group | 30 Jun 2025 |
As of 30 Jun 2026, 107 institutional investors reported holding 13,766,527 shares of Corbus Pharmaceuticals Holdings, Inc. - Common Stock, par value $0.0001 per share (CRBP). This represents 71% of the company’s total 19,341,293 outstanding shares.
13F concentration
Largest 13F positions for this security by reported shares and value.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| Cormorant Asset Management, LP | 12% | 2,344,971 | 0% | 1.1% | $21,995,828 |
| ORBIMED ADVISORS LLC | 9% | 1,737,287 | 0% | 0.31% | $16,295,752 |
| BlackRock, Inc. | 6.9% | 1,331,135 | +390% | 0% | $12,486,047 |
| Aberdeen Group plc | 6.8% | 1,321,750 | 0% | 0.02% | $12,398,015 |
| VANGUARD CAPITAL MANAGEMENT LLC | 3.9% | 760,940 | +3.7% | 0% | $7,137,617 |
| Jones Hill Capital LP | 3.4% | 653,572 | 1.3% | $6,130,505 | |
| Prosight Management, LP | 3.4% | 650,000 | -6.8% | 1.1% | $6,097,000 |
| Stonepine Capital Management, LLC | 2.2% | 425,000 | +11% | 3.1% | $3,986,500 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.2% | 423,374 | +126% | 0% | $3,972,122 |
| ADAR1 Capital Management, LLC | 2.2% | 421,787 | +27% | 0.19% | $3,956,362 |
| DIADEMA PARTNERS LP | 1.6% | 301,264 | -32% | 1.1% | $2,825,856 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 1.5% | 293,203 | -12% | 0% | $2,750,244 |
| STATE STREET CORP | 1.3% | 254,672 | +270% | 0% | $2,388,823 |
| DIMENSIONAL FUND ADVISORS LP | 0.98% | 190,214 | +39% | 0% | $1,783,533 |
| Exome Asset Management LLC | 0.96% | 184,914 | -21% | 1.1% | $1,734,493 |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.78% | 151,640 | -5.5% | 0% | $1,422,383 |
| JANE STREET GROUP, LLC | 0.72% | 139,133 | +90% | 0% | $1,305,068 |
| NORTHERN TRUST CORP | 0.65% | 124,906 | +201% | 0% | $1,171,618 |
| VANGUARD FIDUCIARY TRUST CO | 0.58% | 112,397 | +17% | 0% | $1,054,284 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 0.58% | 111,302 | +357% | 0% | $1,044,013 |
| RENAISSANCE TECHNOLOGIES LLC | 0.57% | 110,822 | -68% | 0% | $1,039,510 |
| DAFNA Capital Management LLC | 0.56% | 107,773 | 0.19% | $1,010,911 | |
| CITADEL ADVISORS LLC | 0.48% | 92,154 | -87% | 0% | $864,405 |
| Advisory Services Network, LLC | 0.47% | 89,951 | +642407% | 0.01% | $843,740 |
| MARSHALL WACE, LLP | 0.41% | 79,331 | -46% | 0% | $744,125 |
Quarter history
Holder count, reported shares/value, and median price by quarter.
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q3 | 77,947 | $531,599 | +$310,511 | $6.82 | 11 |
| 2026 Q2 | 13,766,527 | $129,111,329 | +$7,433,033 | $9.38 | 107 |
| 2026 Q1 | 12,903,485 | $121,158,398 | +$569,311 | $9.39 | 108 |
| 2025 Q4 | 13,244,299 | $107,809,776 | +$34,670,041 | $8.14 | 100 |
| 2025 Q3 | 8,624,602 | $109,102,095 | -$2,067,263 | $12.65 | 79 |
| 2025 Q2 | 9,061,852 | $62,525,276 | -$8,932,514 | $6.90 | 78 |
| 2025 Q1 | 10,430,351 | $55,391,632 | -$13,394,437 | $5.31 | 85 |
| 2024 Q4 | 10,952,105 | $129,272,235 | -$16,308,014 | $11.80 | 98 |
| 2024 Q3 | 11,745,584 | $242,331,671 | -$44,650,435 | $20.63 | 106 |
| 2024 Q2 | 10,752,925 | $486,116,698 | +$101,256,908 | $45.25 | 107 |
| 2024 Q1 | 8,529,313 | $334,743,519 | +$310,281,997 | $39.24 | 81 |
| 2023 Q4 | 749,666 | $4,528,896 | +$40,967 | $6.04 | 32 |
| 2023 Q3 | 742,967 | $5,007,338 | +$30,936 | $6.74 | 26 |
| 2023 Q2 | 739,439 | $5,797,676 | +$132,453 | $7.84 | 28 |
| 2023 Q1 | 723,148 | $5,257,408 | +$5,257,398 | $7.27 | 28 |
| 2020 Q2 | 0 | $0 | -$5,240 | $6.82 | 0 |
| 2020 Q1 | 1,000 | $5,240 | $5.24 | 1 | |
| 2019 Q4 | 1,000 | $5,460 | $5.46 | 1 |