Vault-13

ALX ONCOLOGY HLDGS INC ALXO

COM · Common Stock · CUSIP 00166B105

62 institutional holders -24 vs Q1 2025
29,078,91329.1m shares reported held*
54.3% of all shares outstanding*
$12.6mreported value*
10 new 9 added 32 reduced 34 sold out net sold ≈ $2.4m (-5.7m shares)

* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once. Holder counts are more reliable. Shares outstanding: 53.6m as of 2025-08-05, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $0.43. Options: 4 managers hold calls ($48.5k notional), 3 hold puts ($6.9k).

Trends to Q2 2025

Institutional holders

Managers reporting a position, each quarter

050100150Q3 22: 99Q4 22: 88Q1 23: 87Q2 23: 76Q3 23: 77Q4 23: 94Q1 24: 107Q2 24: 114Q3 24: 93Q4 24: 88Q1 25: 86Q2 25: 6262Q3 22Q2 23Q1 24Q4 24Q2 25
Numbers
QuarterHolders
Q3 202299
Q4 202288
Q1 202387
Q2 202376
Q3 202377
Q4 202394
Q1 2024107
Q2 2024114
Q3 202493
Q4 202488
Q1 202586
Q2 202562

Buyers vs sellers

Managers adding to or starting a position, vs cutting or selling out

Bought or addedCut or sold out
1000100Q3 23: 35 bought or addedQ3 23: 32 cut or sold outQ4 23: 62 bought or addedQ4 23: 30 cut or sold outQ4 23Q1 24: 51 bought or addedQ1 24: 40 cut or sold outQ2 24: 66 bought or addedQ2 24: 50 cut or sold outQ2 24Q3 24: 56 bought or addedQ3 24: 58 cut or sold outQ4 24: 48 bought or addedQ4 24: 46 cut or sold outQ4 24Q1 25: 33 bought or addedQ1 25: 38 cut or sold outQ2 25: 19 bought or addedQ2 25: 66 cut or sold outQ2 25
Numbers
QuarterBought or addedCut or sold out
Q3 20233532
Q4 20236230
Q1 20245140
Q2 20246650
Q3 20245658
Q4 20244846
Q1 20253338
Q2 20251966

Calls vs puts

Options held, notional value, last 4 quarters. P/C = puts ÷ calls

CallsPuts
$0$200k$400k$600kQ3 24 calls: $363.9kQ3 24 puts: $61.7kQ3 24P/C 0.17Q4 24 calls: $427.4kQ4 24 puts: $190.6kQ4 24P/C 0.45Q1 25 calls: $24.0kQ1 25 puts: $56.5kQ1 25P/C 2.35Q2 25 calls: $48.5kQ2 25 puts: $6.9kQ2 25P/C 0.14
Numbers
QuarterCallsPutsP/C
Q3 2024$363.9k$61.7k0.17
Q4 2024$427.4k$190.6k0.45
Q1 2025$24.0k$56.5k2.35
Q2 2025$48.5k$6.9k0.14

Biggest buyers

Almitas Capital LLC Added +1,185,214+1.2m
JANE STREET GROUP, LLC New +203,266+203.3k
GSA CAPITAL PARTNERS LLP New +81,326+81.3k
RENAISSANCE TECHNOLOGIES LLC Added +71,100+71.1k
Squarepoint Ops LLC New +58,307+58.3k
SUSQUEHANNA INTERNATIONAL GROUP, LLP Added +42,103+42.1k
NAN FUNG TRINITY (HK) LTD New +41,950+42.0k
UBS Group AG Added +32,192+32.2k
Point72 Asia (Singapore) Pte. Ltd. New +27,709+27.7k
TWO SIGMA ADVISERS, LP Added +22,300+22.3k

Biggest sellers

BlackRock, Inc. Reduced -1,597,503-1.6m
STATE STREET CORP Reduced -594,621-594.6k
MPM BIOIMPACT LLC Sold out -550,000-550.0k
GEODE CAPITAL MANAGEMENT, LLC Reduced -455,486-455.5k
MILLENNIUM MANAGEMENT LLC Reduced -451,470-451.5k
BANK OF AMERICA CORP /DE/ Reduced -416,651-416.7k
LOS ANGELES CAPITAL MANAGEMENT LLC Sold out -409,938-409.9k
JPMORGAN CHASE & CO Reduced -269,605-269.6k
Redmile Group, LLC Reduced -249,379-249.4k
MORGAN STANLEY Reduced -240,995-241.0k

Biggest calls

SIMPLEX TRADING, LLC Added $26.0k63.6k shares
CITADEL ADVISORS LLC Added $22.3k53.8k shares
GROUP ONE TRADING LLC Reduced $125300 shares
CONCOURSE FINANCIAL GROUP SECURITIES, INC. Unchanged $00 shares

Biggest puts

CITADEL ADVISORS LLC Reduced $4.9k11.7k shares
SIMPLEX TRADING, LLC Reduced $2.0k4.9k shares
CONCOURSE FINANCIAL GROUP SECURITIES, INC. Unchanged $00 shares

Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.

Major shareholders (over 5%)

Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.

HolderStakeChangeShares Last filed
venBio Global Strategic Fund, L.P. 13D · may seek influence no change · filed 2026-10-16
Stated purposeItem 4 of the Schedule 13D is hereby amended and supplemented as follows: The responses to Items 3 and 6 of this Amendment No. 2 are incorporated by reference herein. Mr. Goodman resigned from the Issuer's board of directors effective June 29, 2026. Full filing
10.0% no change 12.9m≈ $26.8m 2026-10-16
RA CAPITAL MANAGEMENT, L.P. 13G · passive investor new · filed 2026-02-09 9.9% new 13.1m≈ $27.2m 2026-02-09
HBM Healthcare Investments (Cayman) Ltd. 13G · passive investor -1.9 pts · filed 2026-05-15 6.5% -1.9 pts 8.6m≈ $17.8m 2026-05-15
TANG CAPITAL PARTNERS LP 13G · passive investor filed 2025-02-14 6.3% 3.3m≈ $6.8m 2025-02-14
BlackRock, Inc. 13G · institution new · filed 2026-07-27 5.4% new 7.3m≈ $15.2m 2026-07-27

Fell to 5% or below in the last year: TCG Crossover GP II, LLC (4.2%, 2026-08-14), LSV Associates, LLC (2.2%, 2026-05-27), Redmile Group, LLC (6.8%, 2026-05-15), MILLENNIUM MANAGEMENT LLC (1.5%, 2026-04-28)

Insider purchases and sales in Q2 2025

Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.

Officers and directors buying vs selling

Number of people, by quarter (10% owners not included)

BuyingSelling
404Q3 23: 0 buyingQ3 23: 1 sellingQ4 23: 0 buyingQ4 23: 4 sellingQ4 23Q1 24: 1 buyingQ1 24: 1 sellingQ2 24: 1 buyingQ2 24: 2 sellingQ2 24Q3 24: 0 buyingQ3 24: 3 sellingQ4 24: 1 buyingQ4 24: 2 sellingQ4 24Q1 25: 0 buyingQ1 25: 3 sellingQ2 25: 0 buyingQ2 25: 1 sellingQ2 25
Numbers
QuarterBuyingBoughtSellingSoldSold under a plan
Q3 20230—1$47.9k—
Q4 20230—4$208.0k—
Q1 20241$49.8k1$37.0k—
Q2 20241$102.4k2$1.6m$1.6m
Q3 20240—3$267.7k$158.0k
Q4 20241$46.5k2$19.3k—
Q1 20250—3$8.6k—
Q2 20250—1$659—
DateInsiderTradeSharesPrice ValueTheir holding
2025-06-30 Pinto Shelly SVP, FINANCE AND CAO Sold 1,532 $0.43 $6591.5k shares -2%

Their holding: how much the trade added to or took from the insider's holding (direct, or the trust or fund named). The same trade is sometimes reported by more than one insider, such as a fund and the director who represents it; totals count it once. A value is left blank where the reported price is far from the market price (usually a typo).

Holders, Q2 2025

#ManagerLocationShares Value% of their portfolioChangeShares change
1 venBio Partners LLC 3.51% of their portfolio SAN FRANCISCO, CA 9,699,9259.7m $4.0m $4.0m 3.51% Unchanged
2 Redmile Group, LLC 0.15% of their portfolio LARKSPUR, CA 3,391,4553.4m $1.4m $1.4m 0.15% Reduced -249.4k -249,379
3 TANG CAPITAL MANAGEMENT LLC 0.07% of their portfolio SAN DIEGO, CA 3,158,2653.2m $1.3m $1.3m 0.07% Unchanged
4 Almitas Capital LLC 0.27% of their portfolio SANTA MONICA, CA 2,538,3552.5m $1.1m $1.1m 0.27% Added +1.2m +1,185,214
5 VANGUARD GROUP INC 0.00% of their portfolio Valley Forge, PA 1,600,8081.6m $664.3k $664.3k 0.00% Reduced -237.1k -237,115
6 ACADIAN ASSET MANAGEMENT LLC 0.00% of their portfolio Boston, MA 1,267,9991.3m $525.0k $525.0k 0.00% Reduced -28.3k -28,332
7 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 1,035,1271.0m $429.6k $429.6k 0.00% Reduced -416.7k -416,651
8 BlackRock, Inc. 0.00% of their portfolio New York, NY 716,297716.3k $297.3k $297.3k 0.00% Reduced -1.6m -1,597,503
9 TWO SIGMA ADVISERS, LP 0.00% of their portfolio NEW YORK, NY 703,300703.3k $291.9k $291.9k 0.00% Added +22.3k +22,300
10 BANK OF MONTREAL /CAN/ 0.00% of their portfolio TORONTO, A6 668,747668.7k $277.6k $277.6k 0.00% Reduced -13.6k -13,647
11 Privium Fund Management B.V. 0.05% of their portfolio AMSTERDAM, P7 509,059509.1k $220.6k $220.6k 0.05% Unchanged
12 MILLENNIUM MANAGEMENT LLC 0.00% of their portfolio NEW YORK, NY 492,614492.6k $204.5k $204.5k 0.00% Reduced -451.5k -451,470
13 TWO SIGMA INVESTMENTS, LP 0.00% of their portfolio NEW YORK, NY 477,934477.9k $198.4k $198.4k 0.00% Reduced -64.7k -64,721
14 GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio BOSTON, MA 315,421315.4k $131.0k $131.0k 0.00% Reduced -455.5k -455,486
15 GOLDMAN SACHS GROUP INC 0.00% of their portfolio NEW YORK, NY 289,693289.7k $120.3k $120.3k 0.00% Reduced -83.5k -83,521
16 UBS Group AG 0.00% of their portfolio ZURICH, V8 288,685288.7k $119.8k $119.8k 0.00% Added +32.2k +32,192
17 JANE STREET GROUP, LLC 0.00% of their portfolio NEW YORK, NY 203,266203.3k $84.4k $84.4k 0.00% New
18 SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio BALA CYNWYD, PA 163,813163.8k $68.0k $68.0k 0.00% Added +42.1k +42,103
19 NORTHERN TRUST CORP 0.00% of their portfolio CHICAGO, IL 135,909135.9k $56.4k $56.4k 0.00% Reduced -182.3k -182,274
20 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio SAN FRANCISCO, CA 133,433133.4k $55.4k $55.4k 0.00% Reduced -77.6k -77,618
21 STATE STREET CORP 0.00% of their portfolio BOSTON, MA 124,232124.2k $51.6k $51.6k 0.00% Reduced -594.6k -594,621
22 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 117,465117.5k $48.8k $48.8k 0.00% Reduced -241.0k -240,995
23 MARSHALL WACE, LLP 0.00% of their portfolio LONDON, X0 106,280106.3k $44.6k $44.6k 0.00% Reduced -164.9k -164,917
24 BANK OF NOVA SCOTIA 0.00% of their portfolio TORONTO, A6 105,858105.9k $43.9k $43.9k 0.00% Unchanged
25 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 88,35288.4k $36.7k $36.7k 0.00% Reduced -269.6k -269,605
26 RENAISSANCE TECHNOLOGIES LLC 0.00% of their portfolio NEW YORK, NY 85,39985.4k $35.4k $35.4k 0.00% Added +71.1k +71,100
27 GSA CAPITAL PARTNERS LLP 0.00% of their portfolio LONDON, X0 81,32681.3k $34.0k $34.0k 0.00% New
28 XTX Topco Ltd 0.00% of their portfolio LONDON, X0 74,77074.8k $31.0k $31.0k 0.00% Reduced -17.5k -17,489
29 Squarepoint Ops LLC 0.00% of their portfolio NEW YORK, NY 58,30758.3k $24.2k $24.2k 0.00% New
30 AQR CAPITAL MANAGEMENT LLC 0.00% of their portfolio Greenwich, CT 45,58345.6k $18.9k $18.9k 0.00% Reduced -73.5k -73,467
31 Qube Research & Technologies Ltd 0.00% of their portfolio LONDON, X0 44,13344.1k $18.3k $18.3k 0.00% Reduced -102.8k -102,844
32 NAN FUNG TRINITY (HK) LTD 0.00% of their portfolio CENTRAL, HONG KONG, K3 41,95042.0k $17.4k $17.4k 0.00% New
33 DekaBank Deutsche Girozentrale 0.00% of their portfolio FRANKFURT, 2M 41,00041.0k $508.0k $508.0k 0.00% Unchanged
34 WEALTH ENHANCEMENT ADVISORY SERVICES, LLC 0.00% of their portfolio PLYMOUTH, MN 39,27939.3k $18.1k $18.1k 0.00% Reduced -1.3k -1,272
35 Point72 Asia (Singapore) Pte. Ltd. 0.00% of their portfolio SINGAPORE, U0 27,70927.7k $11.5k $11.5k 0.00% New
36 HC Advisors, LLC 0.01% of their portfolio SANDY SPRINGS, GA 20,50020.5k $8.5k $8.5k 0.01% Reduced -1.0k -1,000
37 Callan Family Office, LLC 0.00% of their portfolio RADNOR, PA 19,77819.8k $8.2k $8.2k 0.00% New
38 COMMONWEALTH EQUITY SERVICES, LLC 0.00% of their portfolio WALTHAM, MA 19,29219.3k $8.0k $8.0k 0.00% Reduced -134.5k -134,485
39 FMR LLC 0.00% of their portfolio BOSTON, MA 18,03318.0k $7.5k $7.5k 0.00% Reduced -4.0k -3,955
40 JSF Financial, LLC 0.00% of their portfolio LOS ANGELES, CA 17,50017.5k $7.3k $7.3k 0.00% Unchanged
41 Abel Hall, LLC 0.00% of their portfolio BATON ROUGE, LA 15,20915.2k $6.3k $6.3k 0.00% New
42 MONETA GROUP INVESTMENT ADVISORS LLC 0.00% of their portfolio ST LOUIS, MO 15,19615.2k $6.3k $6.3k 0.00% Unchanged
43 Lido Advisors, LLC 0.00% of their portfolio Los Angeles, CA 13,22013.2k $5.5k $5.5k 0.00% Unchanged
44 HSBC HOLDINGS PLC 0.00% of their portfolio LONDON, X0 12,30612.3k $5.0k $5.0k 0.00% Reduced -3.8k -3,822
45 BARCLAYS PLC 0.00% of their portfolio LONDON, X0 10,56710.6k $4.4k $4.4k 0.00% Reduced -37.5k -37,462
46 Tower Research Capital LLC (TRC) 0.00% of their portfolio NEW YORK, NY 10,27710.3k $4.3k $4.3k 0.00% Reduced -240 -240
47 CITIGROUP INC 0.00% of their portfolio NEW YORK, NY 9,0109.0k $3.7k $3.7k 0.00% Reduced -15.7k -15,701
48 FEDERATED HERMES, INC. 0.00% of their portfolio PITTSBURGH, PA 6,5416.5k $2.7k $2.7k 0.00% Unchanged
49 ROYAL BANK OF CANADA 0.00% of their portfolio TORONTO, A6 6,0026.0k $4.0k $4.0k 0.00% Added +4.0k +3,999
50 GROUP ONE TRADING LLC 0.00% of their portfolio CHICAGO, IL 5,1945.2k $2.2k $2.2k 0.00% Reduced -11.9k -11,891
51 BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio PARIS, I0 1,6781.7k $697 $697 0.00% Reduced -5.9k -5,912
52 NISA INVESTMENT ADVISORS, LLC 0.00% of their portfolio ST. LOUIS, MO 1,4711.5k $611 $611 0.00% Added +771 +771
53 CWM, LLC 0.00% of their portfolio OMAHA, NE 1,3041.3k $1.0k $1.0k 0.00% Reduced -5.5k -5,541
54 RAYMOND JAMES FINANCIAL INC 0.00% of their portfolio ST. PETERSBURG, FL 1,0001.0k $415 $415 0.00% New
55 Bradley & Co. Private Wealth Management, LLC 0.00% of their portfolio MIAMI, FL 1,0001.0k $415 $415 0.00% Unchanged
56 EverSource Wealth Advisors, LLC 0.00% of their portfolio BIRMINGHAM, AL 629629 $261 $261 0.00% Added +99 +99
57 WELLS FARGO & COMPANY/MN 0.00% of their portfolio SAN FRANCISCO, CA 447447 $186 $186 0.00% Reduced -16.0k -16,014
58 SBI Securities Co., Ltd. 0.00% of their portfolio TOKYO, M0 422422 $175 $175 0.00% Added +296 +296
59 PNC Financial Services Group, Inc. 0.00% of their portfolio Pittsburgh, PA 397397 $165 $165 0.00% Reduced -450 -450
60 Clearstead Advisors, LLC 0.00% of their portfolio CLEVELAND, OH 177177 $74 $74 0.00% New
61 True Wealth Design, LLC 0.00% of their portfolio AKRON, OH 1515 $7 $7 0.00% New
62 CONCOURSE FINANCIAL GROUP SECURITIES, INC. — of their portfolio BIRMINGHAM, AL 00 $0 $0 — Unchanged