Vault-13

PYXIS ONCOLOGY INC PYXS

COMMON STOCK · Common Stock · CUSIP 747324101

90 institutional holders -10 vs Q4 2024
30,265,04630.3m shares reported held*
49.1% of all shares outstanding*
$29.7mreported value*
12 new 22 added 25 reduced 18 sold out net sold ≈ $749.2k (-764.6k 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 ($2.1k this quarter). Holder counts are more reliable. Shares outstanding: 61.6m as of 2025-03-17, 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 ≈ $0.98. Options: 5 managers hold calls ($40.6k notional), 4 hold puts ($35.9k).

Trends to Q1 2025

Institutional holders

Managers reporting a position, each quarter

050100Q3 22: 38Q4 22: 32Q1 23: 48Q2 23: 49Q3 23: 55Q4 23: 52Q1 24: 72Q2 24: 81Q3 24: 93Q4 24: 100Q1 25: 9090Q3 22Q1 23Q3 23Q1 24Q3 24Q1 25
Numbers
QuarterHolders
Q3 202238
Q4 202232
Q1 202348
Q2 202349
Q3 202355
Q4 202352
Q1 202472
Q2 202481
Q3 202493
Q4 2024100
Q1 202590

Buyers vs sellers

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

Bought or addedCut or sold out
1000100Q2 23: 35 bought or addedQ2 23: 23 cut or sold outQ3 23: 29 bought or addedQ3 23: 20 cut or sold outQ3 23Q4 23: 17 bought or addedQ4 23: 23 cut or sold outQ1 24: 52 bought or addedQ1 24: 14 cut or sold outQ1 24Q2 24: 43 bought or addedQ2 24: 37 cut or sold outQ3 24: 50 bought or addedQ3 24: 26 cut or sold outQ3 24Q4 24: 48 bought or addedQ4 24: 38 cut or sold outQ1 25: 34 bought or addedQ1 25: 43 cut or sold outQ1 25
Numbers
QuarterBought or addedCut or sold out
Q2 20233523
Q3 20232920
Q4 20231723
Q1 20245214
Q2 20244337
Q3 20245026
Q4 20244838
Q1 20253443

Calls vs puts

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

CallsPuts
$0$1m$2m$3mQ2 24 calls: $1.7mQ2 24 puts: $17.6kQ2 24P/C 0.01Q3 24 calls: $2.0mQ3 24 puts: $278.5kQ3 24P/C 0.14Q4 24 calls: $1.6mQ4 24 puts: $80.1kQ4 24P/C 0.05Q1 25 calls: $40.6kQ1 25 puts: $35.9kQ1 25P/C 0.88
Numbers
QuarterCallsPutsP/C
Q2 2024$1.7m$17.6k0.01
Q3 2024$2.0m$278.5k0.14
Q4 2024$1.6m$80.1k0.05
Q1 2025$40.6k$35.9k0.88

Biggest buyers

TANG CAPITAL MANAGEMENT LLC New +1,100,000+1.1m
PIER 88 INVESTMENT PARTNERS LLC Added +292,370+292.4k
RENAISSANCE TECHNOLOGIES LLC Added +288,782+288.8k
MORGAN STANLEY Added +203,751+203.8k
683 Capital Management, LLC Added +135,000+135.0k
ACADIAN ASSET MANAGEMENT LLC New +84,122+84.1k
ROYAL BANK OF CANADA Added +69,006+69.0k
Verition Fund Management LLC New +38,260+38.3k
GEODE CAPITAL MANAGEMENT, LLC Added +26,649+26.6k
Qube Research & Technologies Ltd Added +20,604+20.6k

Biggest sellers

JACOBS LEVY EQUITY MANAGEMENT, INC Sold out -601,940-601.9k
MILLENNIUM MANAGEMENT LLC Reduced -495,630-495.6k
HHLR ADVISORS, LTD. Sold out -382,606-382.6k
AMERICAN CENTURY COMPANIES INC Reduced -273,584-273.6k
BRIDGEWAY CAPITAL MANAGEMENT, LLC Reduced -189,200-189.2k
PERCEPTIVE ADVISORS LLC Sold out -188,462-188.5k
MARSHALL WACE, LLP Sold out -157,953-158.0k
Aristides Capital LLC Sold out -124,000-124.0k
STATE OF WISCONSIN INVESTMENT BOARD Sold out -85,600-85.6k
LMR Partners LLP Sold out -77,300-77.3k

Biggest calls

CITADEL ADVISORS LLC Reduced $19.1k19.5k shares
GROUP ONE TRADING LLC Reduced $14.5k14.8k shares
SIMPLEX TRADING, LLC Reduced $7.0k7.2k shares
Maia Wealth LLC Unchanged $12118.9k shares
CONCOURSE FINANCIAL GROUP SECURITIES, INC. Unchanged $00 shares

Biggest puts

CITADEL ADVISORS LLC Reduced $30.3k30.9k shares
GROUP ONE TRADING LLC Added $4.6k4.7k shares
SIMPLEX TRADING, LLC Reduced $1.0k1.3k 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
GordonMD Global Investments LP 13G · passive investor -1.1 pts · filed 2026-10-09 16.4% -1.1 pts 20.4m≈ $45.3m 2026-10-09
Sullivan Lara 13D · may seek influence +0.9 pts · filed 2025-04-02
Stated purposeItem 4 of the Schedule 13D is hereby amended and supplemented as follows: The response to Item 3 of this Amendment No. 5 is incorporated by reference herein. Full filing
11.2% +0.9 pts 7.5m≈ $22.7m 2025-04-02
BIOTECHNOLOGY VALUE FUND L P 13G · passive investor new · filed 2026-07-10 10.0% new 8.3m≈ $25.1m 2026-07-10
Laurion Capital Management LP 13G · institution filed 2026-02-09 7.7% 4.8m≈ $14.4m 2026-02-09
Coastlands Capital LP 13G · institution new · filed 2026-10-05 5.4% new 6.4m≈ $15.0m 2026-10-05

Insider purchases and sales in Q1 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
202Q2 23: 0 buyingQ2 23: 0 sellingQ3 23: 2 buyingQ3 23: 1 sellingQ3 23Q4 23: 0 buyingQ4 23: 0 sellingQ1 24: 0 buyingQ1 24: 0 sellingQ1 24Q2 24: 0 buyingQ2 24: 0 sellingQ3 24: 0 buyingQ3 24: 0 sellingQ3 24Q4 24: 1 buyingQ4 24: 0 sellingQ1 25: 0 buyingQ1 25: 0 sellingQ1 25
Numbers
QuarterBuyingBoughtSellingSoldSold under a plan
Q2 20230—0——
Q3 20232$73.5k1$81.4k—
Q4 20230—0——
Q1 20240—0——
Q2 20240—0——
Q3 20240—0——
Q4 20241$174.4k0——
Q1 20250—0——

None reported in Q1 2025.

Holders, Q1 2025

#ManagerLocationShares Value% of their portfolioChangeShares change
1 Pfizer Inc 1.38% of their portfolio New York, NY 7,032,7707.0m $6.9m $6.9m 1.38% Unchanged
2 Laurion Capital Management LP 0.27% of their portfolio NEW YORK, NY 3,625,9743.6m $3.6m $3.6m 0.27% Unchanged
3 BlackRock, Inc. 0.00% of their portfolio New York, NY 3,271,9743.3m $3.2m $3.2m 0.00% Reduced -72.2k -72,167
4 MILLENNIUM MANAGEMENT LLC 0.00% of their portfolio NEW YORK, NY 2,485,2762.5m $2.4m $2.4m 0.00% Reduced -495.6k -495,630
5 VANGUARD GROUP INC 0.00% of their portfolio Valley Forge, PA 2,436,7282.4m $2.4m $2.4m 0.00% Reduced -4.4k -4,425
6 GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio BOSTON, MA 1,109,0981.1m $1.1m $1.1m 0.00% Added +26.6k +26,649
7 TANG CAPITAL MANAGEMENT LLC 0.06% of their portfolio SAN DIEGO, CA 1,100,0001.1m $1.1m $1.1m 0.06% New
8 Palo Alto Investors LP 0.19% of their portfolio PALO ALTO, CA 1,037,4211.0m $1.0m $1.0m 0.19% Unchanged
9 STATE STREET CORP 0.00% of their portfolio BOSTON, MA 932,198932.2k $913.5k $913.5k 0.00% Reduced -12.0k -11,970
10 Aberdeen Group plc 0.00% of their portfolio EDINBURGH, X0 913,045913.0k $894.7k $894.7k 0.00% Unchanged
11 Ikarian Capital, LLC 0.20% of their portfolio DALLAS, TX 613,253613.3k $600.9k $600.9k 0.20% Unchanged
12 RENAISSANCE TECHNOLOGIES LLC 0.00% of their portfolio NEW YORK, NY 582,136582.1k $570.4k $570.4k 0.00% Added +288.8k +288,782
13 683 Capital Management, LLC 0.05% of their portfolio NEW YORK, NY 550,000550.0k $538.9k $538.9k 0.05% Added +135.0k +135,000
14 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 446,482446.5k $437.5k $437.5k 0.00% Added +203.8k +203,751
15 UBS Group AG 0.00% of their portfolio ZURICH, V8 396,844396.8k $388.9k $388.9k 0.00% Reduced -49.9k -49,855
16 PIER 88 INVESTMENT PARTNERS LLC 0.07% of their portfolio SAN FRANCISCO, CA 390,960391.0k $383.1k $383.1k 0.07% Added +292.4k +292,370
17 NORTHERN TRUST CORP 0.00% of their portfolio CHICAGO, IL 373,716373.7k $366.2k $366.2k 0.00% Reduced -4.9k -4,870
18 Decheng Capital LLC 0.09% of their portfolio MENLO PARK, CA 326,810326.8k $320.2k $320.2k 0.09% Unchanged
19 Bank of New York Mellon Corp 0.00% of their portfolio NEW YORK, NY 272,769272.8k $267.3k $267.3k 0.00% Unchanged
20 BOOTHBAY FUND MANAGEMENT, LLC 0.01% of their portfolio NEW YORK, NY 181,042181.0k $177.4k $177.4k 0.01% Unchanged
21 GOLDMAN SACHS GROUP INC 0.00% of their portfolio NEW YORK, NY 160,830160.8k $157.6k $157.6k 0.00% Reduced -23.9k -23,872
22 Nuveen, LLC 0.00% of their portfolio CHARLOTTE, NC 127,304127.3k $124.7k $124.7k 0.00% First filing
23 SCHULHOFF & CO INC 0.05% of their portfolio CINCINNATI, OH 122,000122.0k $119.5k $119.5k 0.05% Unchanged
24 NewEdge Wealth, LLC 0.00% of their portfolio STAMFORD, CT 116,006116.0k $113.7k $113.7k 0.00% Reduced -3 -3
25 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio SAN FRANCISCO, CA 115,237115.2k $112.9k $112.9k 0.00% Reduced -14.5k -14,524
26 ROYAL BANK OF CANADA 0.00% of their portfolio TORONTO, A6 96,65996.7k $95.0k $95.0k 0.00% Added +69.0k +69,006
27 FMR LLC 0.00% of their portfolio BOSTON, MA 86,65586.7k $84.9k $84.9k 0.00% Added +1.8k +1,767
28 ACADIAN ASSET MANAGEMENT LLC 0.00% of their portfolio Boston, MA 84,12284.1k $81.0k $81.0k 0.00% New
29 BRIDGEWAY CAPITAL MANAGEMENT, LLC 0.00% of their portfolio HOUSTON, TX 80,79580.8k $79.2k $79.2k 0.00% Reduced -189.2k -189,200
30 Yu Fan 0.07% of their portfolio CENTRAL, HONG KONG, K3 69,30369.3k $67.9k $67.9k 0.07% Unchanged
31 RHUMBLINE ADVISERS 0.00% of their portfolio BOSTON, MA 68,15668.2k $66.8k $66.8k 0.00% Added +305 +305
32 SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio BALA CYNWYD, PA 64,88864.9k $63.6k $63.6k 0.00% Reduced -3.1k -3,087
33 Cable Car Capital, LP 0.07% of their portfolio SAN FRANCISCO, CA 61,60661.6k $60.4k $60.4k 0.07% Unchanged
34 SEI INVESTMENTS CO 0.00% of their portfolio OAKS, PA 61,14061.1k $59.9k $59.9k 0.00% Unchanged
35 BARCLAYS PLC 0.00% of their portfolio LONDON, X0 54,10954.1k $53.0k $53.0k 0.00% Reduced -22.9k -22,904
36 UNIVERSITY OF CHICAGO 0.07% of their portfolio CHICAGO, IL 48,73148.7k $47.8k $47.8k 0.07% Unchanged
37 Qube Research & Technologies Ltd 0.00% of their portfolio LONDON, X0 45,12845.1k $44.2k $44.2k 0.00% Added +20.6k +20,604
38 COMMONWEALTH EQUITY SERVICES, LLC 0.00% of their portfolio WALTHAM, MA 43,25043.2k $42.0k $42.0k 0.00% Added +17.0k +17,000
39 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 40,32340.3k $39.5k $39.5k 0.00% Reduced -13.4k -13,422
40 AQR CAPITAL MANAGEMENT LLC 0.00% of their portfolio Greenwich, CT 40,27040.3k $39.5k $39.5k 0.00% Reduced -9.8k -9,810
41 Verition Fund Management LLC 0.00% of their portfolio GREENWICH, CT 38,26038.3k $37.5k $37.5k 0.00% New
42 DIMENSIONAL FUND ADVISORS LP 0.00% of their portfolio AUSTIN, TX 36,51636.5k $35.8k $35.8k 0.00% Reduced -74.5k -74,535
43 CITIGROUP INC 0.00% of their portfolio NEW YORK, NY 35,04035.0k $34.3k $34.3k 0.00% Reduced -7.0k -7,048
44 INTECH INVESTMENT MANAGEMENT LLC 0.00% of their portfolio WEST PALM BEACH, FL 32,17332.2k $31.5k $31.5k 0.00% Added +9.7k +9,682
45 VOYA INVESTMENT MANAGEMENT LLC 0.00% of their portfolio ATLANTA, GA 31,79431.8k $31.2k $31.2k 0.00% Added +15.9k +15,897
46 WELLS FARGO & COMPANY/MN 0.00% of their portfolio SAN FRANCISCO, CA 29,89029.9k $29.3k $29.3k 0.00% Added +941 +941
47 MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% of their portfolio CAUSEWAY BAY, K3 29,25929.3k $28.7k $28.7k 0.00% Added +1.2k +1,248
48 DEUTSCHE BANK AG\ 0.00% of their portfolio FRANKFURT AM MAIN, 2M 28,39028.4k $27.8k $27.8k 0.00% Reduced -1.9k -1,910
49 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 28,13528.1k $27.6k $27.6k 0.00% Added +1.1k +1,059
50 Cetera Investment Advisers 0.00% of their portfolio SCHAUMBURG, IL 27,86027.9k $27.3k $27.3k 0.00% Added +1.0k +1,000
51 AMERICAN CENTURY COMPANIES INC 0.00% of their portfolio KANSAS CITY, MO 26,35326.4k $25.8k $25.8k 0.00% Reduced -273.6k -273,584
52 Invesco Ltd. 0.00% of their portfolio ATLANTA, GA 24,80524.8k $24.3k $24.3k 0.00% Reduced -561 -561
53 Corebridge Financial, Inc. 0.00% of their portfolio HOUSTON, TX 24,16524.2k $23.7k $23.7k 0.00% Reduced -114 -114
54 OSAIC HOLDINGS, INC. 0.00% of their portfolio SCOTTSDALE, AZ 22,37922.4k $21.9k $21.9k 0.00% Unchanged
55 PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio BALTIMORE, MD 22,22022.2k $23.0k $23.0k 0.00% Added +6.5k +6,500
56 LPL Financial LLC 0.00% of their portfolio FORT MILL, SC 16,09916.1k $15.8k $15.8k 0.00% Reduced -6.5k -6,500
57 Squarepoint Ops LLC 0.00% of their portfolio NEW YORK, NY 14,91414.9k $14.6k $14.6k 0.00% New
58 ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio NASHVILLE, TN 13,47013.5k $13.2k $13.2k 0.00% Unchanged
59 ProShare Advisors LLC 0.00% of their portfolio BETHESDA, MD 13,36113.4k $13.1k $13.1k 0.00% Reduced -3.2k -3,207
60 Vanguard Personalized Indexing Management, LLC 0.00% of their portfolio OAKLAND, CA 12,98713.0k $12.7k $12.7k 0.00% New
61 China Universal Asset Management Co., Ltd. 0.00% of their portfolio SHANGHAI, F4 11,92811.9k $11.7k $11.7k 0.00% Reduced -681 -681
62 Tower Research Capital LLC (TRC) 0.00% of their portfolio NEW YORK, NY 11,15811.2k $10.9k $10.9k 0.00% Added +3.7k +3,720
63 CIBC WORLD MARKETS CORP 0.00% of their portfolio NEW YORK, NY 10,94510.9k $10.7k $10.7k 0.00% New
64 Police & Firemen's Retirement System of New Jersey 0.00% of their portfolio TRENTON, NJ 9,8189.8k $9.6k $9.6k 0.00% Unchanged
65 SIMPLEX TRADING, LLC 0.00% of their portfolio CHICAGO, IL 8,8058.8k $8.0k $8.0k 0.00% Added +5.5k +5,459
66 Winthrop Capital Management, LLC 0.00% of their portfolio Carmel, IN 6,0006.0k $6.0k $6.0k 0.00% Unchanged
67 Ameritas Investment Partners, Inc. 0.00% of their portfolio LINCOLN, NE 4,7844.8k $4.7k $4.7k 0.00% Unchanged
68 Legal & General Group Plc 0.00% of their portfolio London, X0 4,2194.2k $4.1k $4.1k 0.00% Unchanged
69 BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio PARIS, I0 3,6673.7k $3.6k $3.6k 0.00% First filing
70 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio WEST SACRAMENTO, CA 3,5393.5k $3.5k $3.5k 0.00% Unchanged
71 CWM, LLC 0.00% of their portfolio OMAHA, NE 3,3863.4k $3.0k $3.0k 0.00% Added +3.1k +3,140
72 GROUP ONE TRADING LLC 0.00% of their portfolio CHICAGO, IL 3,0103.0k $2.9k $2.9k 0.00% New
73 FEDERATED HERMES, INC. 0.00% of their portfolio PITTSBURGH, PA 2,0742.1k $2.0k $2.0k 0.00% New
74 Mirae Asset Global Investments Co., Ltd. 0.00% of their portfolio SEOUL, M5 1,9902.0k $2.1k $2.1k 0.00% Added +8 +8
75 AMALGAMATED BANK 0.00% of their portfolio NEW YORK, NY 1,6901.7k $2.0k $2.0k 0.00% Unchanged
76 JONES FINANCIAL COMPANIES LLLP 0.00% of their portfolio DES PERES, MO 1,5001.5k $1.6k $1.6k 0.00% Unchanged
77 GF FUND MANAGEMENT CO. LTD. 0.00% of their portfolio GUANGZHOU, F4 1,4291.4k $1.4k $1.4k 0.00% Added +180 +180
78 AFFINITY WEALTH LLC 0.00% of their portfolio CANTON, OH 1,4001.4k $1.4k $1.4k 0.00% New
79 Sterling Capital Management LLC 0.00% of their portfolio CHARLOTTE, NC 877877 $859 $859 0.00% Reduced -782 -782
80 NEW YORK STATE COMMON RETIREMENT FUND 0.00% of their portfolio ALBANY, NY 600600 $588 $588 0.00% Unchanged
81 EverSource Wealth Advisors, LLC 0.00% of their portfolio BIRMINGHAM, AL 484484 $474 $474 0.00% New
82 NISA INVESTMENT ADVISORS, LLC 0.00% of their portfolio ST. LOUIS, MO 300300 $294 $294 0.00% New
83 NewEdge Advisors, LLC 0.00% of their portfolio NEW ORLEANS, LA 250250 $245 $245 0.00% Unchanged
84 Russell Investments Group, Ltd. 0.00% of their portfolio Seattle, WA 6464 $63 $63 0.00% Unchanged
85 IFP Advisors, Inc 0.00% of their portfolio TAMPA, FL 1717 $17 $17 0.00% Unchanged
86 NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO 0.00% of their portfolio MILWAUKEE, WI 1212 $12 $12 0.00% Unchanged
87 True Wealth Design, LLC 0.00% of their portfolio AKRON, OH 77 $7 $7 0.00% New
88 Caitong International Asset Management Co., Ltd 0.00% of their portfolio HONG KONG, K3 33 $3 $3 0.00% Reduced -324 -324
89 SBI Securities Co., Ltd. 0.00% of their portfolio TOKYO, M0 22 $2 $2 0.00% Unchanged
90 CONCOURSE FINANCIAL GROUP SECURITIES, INC. — of their portfolio BIRMINGHAM, AL 00 $0 $0 — Unchanged