Latest Period
Q2 2026
Security Snapshot
ALX ONCOLOGY HOLDINGS INC - Common Stock, par value $0.001 per share (ALXO) Institutional Ownership
CUSIP: 00166B105
13F Institutional Holders and Ownership History from Q3 2020 to Q2 2026
Institutions Reporting
93
Shares (Excl. Options)
105,186,560
Price
$2.07
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- Security type / class
- Equity / Common Stock, par value $0.001 per share
- Symbol
- ALXO on Nasdaq
- All holders as of 30 Jun 2026
- Q2 2026
- Total 13F shares
- 105,186,560
- Total 13F value
- $217,867,932
- Portfolio coverage rank
- 0%
- Share change
- +10,922,165
- Value change
- +$23,001,072
- Number of holders
- 93
- Shares outstanding
- 134,654,452
- SEC-reported price per share
- $1.95
- Insider filing price
- $1.95
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- ALXO - ALX ONCOLOGY HOLDINGS INC - Common Stock, par value $0.001 per share is tracked under CUSIP 00166B105.
- 93 institutions reported positions in Q2 2026.
- 10 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 69 to 93 between Q1 2026 and Q2 2026.
- SEC-reported value moved from $189,013,299 to $217,867,932.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 93 institutions filings for Q2 2026.
Security key
00166B105
Latest holder period
Q2 2026
13F holders
93
13D/G owners
10
CIK / CUSIP context first
Open Q2 2026 holders
ALXO full holder history
ALX ONCOLOGY HOLDINGS INC SEC filings
ALX ONCOLOGY HOLDINGS INC company facts
ALX ONCOLOGY HOLDINGS INC insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 00166B105:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
10
Security
ALXO
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| venBio Global Strategic Fund, L.P. | 10% | $14,547,038 | 13,163,549 | GOODMAN COREY S | 02 Feb 2026 | |||
| RA CAPITAL MANAGEMENT, L.P. | 9.9% | $16,265,211 | 13,117,106 | RA Capital Management, L.P. | 02 Feb 2026 | |||
| Redmile Group, LLC | 6.8% | -19% | $18,474,447 | +$9,168,330 | 9,214,188 | +99% | Redmile Group, LLC | 31 Mar 2026 |
| HBM Healthcare Investments (Cayman) Ltd. | 6.5% | -24% | $17,224,337 | +$8,201,837 | 8,590,692 | +91% | HBM Healthcare Investments (Cayman) Ltd. | 31 Mar 2026 |
| BlackRock, Inc. | 5.4% | $15,168,650 | 7,327,850 | BlackRock, Inc. | 30 Jun 2026 | |||
| TCG Crossover GP II, LLC | 4.2% | -57% | $13,346,949 | -$17,361,014 | 5,655,487 | -57% | Chen Yu | 30 Jun 2026 |
| TANG CAPITAL PARTNERS LP | 6.3% | $1,681,410 | 3,296,883 | TANG CAPITAL MANAGEMENT, LLC | 31 Dec 2024 | |||
| LSV Associates, LLC | 2.2% | $4,943,442 | 2,942,525 | Michael A Carusi | 27 May 2026 | |||
| MILLENNIUM MANAGEMENT LLC | 1.5% | -75% | $3,947,290 | -$2,381,279 | 1,988,559 | -38% | Millennium Management LLC | 31 Mar 2026 |
| FMR LLC | 3.4% | $917,426 | 1,798,875 | FMR LLC | 29 Nov 2024 |
As of 30 Jun 2026, 93 institutional investors reported holding 105,186,560 shares of ALX ONCOLOGY HOLDINGS INC - Common Stock, par value $0.001 per share (ALXO). This represents 78% of the company’s total 134,654,452 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
74%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| RA CAPITAL MANAGEMENT, L.P. | 9.7% | 13,011,849 | 0% | 0.23% | $26,934,527 |
| venBio Partners LLC | 9.6% | 12,884,638 | 0% | 5.1% | $26,671,201 |
| BlackRock, Inc. | 5.5% | 7,399,530 | +1552% | 0% | $15,317,028 |
| Redmile Group, LLC | 5.5% | 7,392,504 | -7.2% | 1% | $15,302,483 |
| Blackstone Inc. | 4.9% | 6,593,543 | +13% | 0.04% | $13,648,634 |
| Driehaus Capital Management LLC | 4.5% | 6,025,240 | +5.1% | 0.07% | $12,472,247 |
| SILVERARC CAPITAL MANAGEMENT, LLC | 4.3% | 5,744,757 | 1.3% | $11,891,647 | |
| TCG Crossover Management, LLC | 4.2% | 5,655,487 | -57% | 0.28% | $11,706,858 |
| VANGUARD CAPITAL MANAGEMENT LLC | 3.7% | 4,973,436 | +19% | 0% | $10,295,013 |
| Vivo Capital, LLC | 2.4% | 3,184,713 | 0% | 0.6% | $6,592,356 |
| MARSHALL WACE, LLP | 2.3% | 3,071,496 | -18% | 0.01% | $6,357,997 |
| 5AM Venture Management, LLC | 2.3% | 3,057,325 | 0% | 2.2% | $6,328,663 |
| Almitas Capital LLC | 2.2% | 2,938,431 | -7.4% | 1.5% | $6,082,552 |
| ORBIMED ADVISORS LLC | 2.1% | 2,866,256 | 0% | 0.11% | $5,933,150 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.1% | 2,787,809 | +465% | 0% | $5,771,224 |
| TWO SIGMA INVESTMENTS, LP | 1.6% | 2,178,176 | +37% | 0% | $4,508,824 |
| MILLENNIUM MANAGEMENT LLC | 1.1% | 1,543,594 | -22% | 0% | $3,195,240 |
| STATE STREET CORP | 1.1% | 1,498,905 | +752% | 0% | $3,102,733 |
| ACADIAN ASSET MANAGEMENT LLC | 0.98% | 1,313,490 | +19% | 0% | $2,713,000 |
| JPMORGAN CHASE & CO | 0.78% | 1,044,728 | +1055181% | 0% | $2,298,401 |
| NORTHERN TRUST CORP | 0.69% | 935,669 | +583% | 0% | $1,936,835 |
| Ensign Peak Advisors, Inc | 0.6% | 810,297 | -15% | 0% | $1,677,315 |
| Nantahala Capital Management, LLC | 0.56% | 750,000 | 0.09% | $1,552,500 | |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 0.56% | 749,229 | +665% | 0% | $1,550,904 |
| VANGUARD FIDUCIARY TRUST CO | 0.55% | 743,491 | +152% | 0% | $1,539,026 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
24
Latest
Q2 2026
Rows shown
1-24 of 24
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q2 | 105,186,560 | $217,867,932 | +$23,001,072 | $2.07 | 93 |
| 2026 Q1 | 94,268,933 | $189,013,299 | +$125,379,513 | $2.00 | 69 |
| 2025 Q4 | 29,193,302 | $33,447,411 | +$624,566 | $1.13 | 55 |
| 2025 Q3 | 27,785,299 | $51,273,440 | +$2,395,861 | $1.83 | 60 |
| 2025 Q2 | 29,030,607 | $12,060,366 | -$2,784,536 | $0.42 | 58 |
| 2025 Q1 | 34,764,459 | $21,657,278 | -$4,297,920 | $0.62 | 83 |
| 2024 Q4 | 41,028,903 | $68,515,761 | -$8,509,648 | $1.67 | 85 |
| 2024 Q3 | 45,458,855 | $83,126,108 | -$40,248,836 | $1.82 | 90 |
| 2024 Q2 | 48,509,608 | $292,389,850 | -$2,826,841 | $6.03 | 107 |
| 2024 Q1 | 45,776,694 | $510,423,087 | -$5,822,832 | $11.15 | 105 |
| 2023 Q4 | 45,764,823 | $681,456,826 | +$185,269,081 | $14.89 | 93 |
| 2023 Q3 | 33,283,050 | $159,762,120 | -$6,348,070 | $4.80 | 75 |
| 2023 Q2 | 34,283,564 | $257,462,824 | -$6,376,897 | $7.51 | 74 |
| 2023 Q1 | 35,697,467 | $161,353,578 | -$6,004,481 | $4.52 | 85 |
| 2022 Q4 | 36,433,730 | $410,607,954 | -$2,049,707 | $11.27 | 85 |
| 2022 Q3 | 36,439,308 | $348,724,761 | +$5,422,376 | $9.57 | 96 |
| 2022 Q2 | 35,930,829 | $290,675,201 | -$16,579,357 | $8.09 | 92 |
| 2022 Q1 | 36,794,716 | $621,886,079 | +$2,845,527 | $16.90 | 94 |
| 2021 Q4 | 36,290,670 | $779,906,251 | -$55,903,331 | $21.49 | 103 |
| 2021 Q3 | 34,508,619 | $2,548,791,083 | +$109,794,972 | $73.86 | 113 |
| 2021 Q2 | 33,314,685 | $1,821,610,718 | -$28,517,807 | $54.68 | 102 |
| 2021 Q1 | 33,493,682 | $2,466,083,905 | +$80,496,245 | $73.74 | 90 |
| 2020 Q4 | 32,294,048 | $2,779,048,270 | +$439,356,967 | $86.20 | 89 |
| 2020 Q3 | 27,250,196 | $1,027,708,220 | +$1,027,708,220 | $37.74 | 56 |