Security key
00166B105
ALX ONCOLOGY HOLDINGS INC - Common Stock, par value $0.001 per share (ALXO)
CUSIP: 00166B105
Q1 2026 13F Holders as of 31 Mar 2026
- Security type / class
- Equity / Common Stock, par value $0.001 per share
- Shares outstanding
- 133,751,136
- Total 13F shares
- 94,268,933
- Share change
- +62,111,302
- Total reported value
- $189,013,299
- Put/Call ratio
- 39%
- Reported price per share
- $2.00
- Number of holders
- 69
- Value change
- +$125,379,513
- Number of buys
- 40
- Number of sells
- 21
Security identity
Holder snapshot
Report period
Q1 2026
Institutions
69
Top holders
10
ALXO full security history
Ownership snapshot
Full 13F holder table
Previous quarter: Q4 2025
ALX ONCOLOGY HOLDINGS INC SEC filings
ALX ONCOLOGY HOLDINGS INC company facts
Broader feeds
Reporting periods
Holder history for CUSIP 00166B105
Recent filing periods:
Ownership snapshot
Top shareholders of ALXO - ALX ONCOLOGY HOLDINGS INC - Common Stock, par value $0.001 per share (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.
Lead holder
venBio Global Strategic F...
13D/G signal
venBio Global Strategic F...
Evidence rows
50
Latest as of
31 Mar 2026
13D/G
13F
Lead comparable stake: 10%
13D/G row: venBio Global Strategic Fund, L.P.
Showing 1-8 of 50 holder rows.
Rank 1 holder
venBio Global Strategic Fund, L.P.
13D/G
- Ownership
- 10%
- Position
- $14.55M
Rank 2 holder
RA CAPITAL MANAGEMENT, L.P.
13D/G
- Ownership
- 9.9%
- Position
- $16.27M
Rank 3 holder
TCG Crossover GP II, LLC
13D/G
- Ownership
- 9.9%
- Position
- $14.7M
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| venBio Global Strategic Fund, L.P. |
13D/G
GOODMAN COREY S
|
10%
|
$14,547,038
13,163,549 shares
|
$0 | 02 Feb 2026 |
| RA CAPITAL MANAGEMENT, L.P. |
13D/G
|
9.9%
|
$16,265,211
13,117,106 shares
|
$0 | 02 Feb 2026 |
| TCG Crossover GP II, LLC |
13D/G
Chen Yu
|
9.9%
|
$14,703,389
13,011,849 shares
|
$0 | 30 Jan 2026 |
| Redmile Group, LLC |
13D/G
13F
Company
|
6.8%
|
$18,474,447
9,214,188 shares
|
+$9,168,330 | 31 Mar 2026 |
| HBM Healthcare Investments (Cayman) Ltd. |
13D/G
|
6.5%
|
$17,224,337
8,590,692 shares
|
+$8,201,837 | 31 Mar 2026 |
| TANG CAPITAL PARTNERS LP |
13D/G
TANG CAPITAL MANAGEMENT, LLC
|
6.3%
|
$1,681,410
3,296,883 shares
|
$0 | 31 Dec 2024 |
| FMR LLC |
13D/G
13F
Company
|
3.4%
|
$917,426
1,798,875 shares
|
$0 | 29 Nov 2024 |
| MILLENNIUM MANAGEMENT LLC |
13D/G
13F
Company
|
1.5%
|
$3,947,290
1,988,559 shares
|
-$2,381,279 | 31 Mar 2026 |
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
69
Shares
94,268,933
Rows loaded
69
| Investor | Option | Weight % | Change % | Reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* 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 failed the local validity check.
Compare Q1 2026 vs Q4 2025 Across Filers
Q4 2025 holders
55
Q1 2026 holders
69
Holder diff
14
| Investor | Q4 2025 Shares | Q1 2026 Shares | Share Diff | Share Chg % | Q4 2025 value | Q1 2026 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend