Vault-13

PYXIS ONCOLOGY INC PYXS

COMMON STOCK · Common Stock · CUSIP 747324101

76 institutional holders -2 vs Q1 2026
34,152,12434.2m shares reported held*
40.9% of all shares outstanding*
$101.1mreported value*
9 new 24 added 24 reduced 10 sold out net bought ≈ $17.5m (+6.6m 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: 83.4m as of 2026-08-12, 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 ≈ $2.96. Options: 7 managers hold calls ($1.7m notional), 3 hold puts ($76.8k).

Trends to Q2 2026

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: 90Q2 25: 75Q3 25: 73Q4 25: 79Q1 26: 78Q2 26: 7676Q3 22Q3 23Q3 24Q3 25Q2 26
Numbers
QuarterHolders
Q3 202238
Q4 202232
Q1 202348
Q2 202349
Q3 202355
Q4 202352
Q1 202472
Q2 202481
Q3 202493
Q4 2024100
Q1 202590
Q2 202575
Q3 202573
Q4 202579
Q1 202678
Q2 202676

Buyers vs sellers

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

Bought or addedCut or sold out
1000100Q3 24: 50 bought or addedQ3 24: 26 cut or sold outQ4 24: 48 bought or addedQ4 24: 38 cut or sold outQ4 24Q1 25: 34 bought or addedQ1 25: 43 cut or sold outQ2 25: 36 bought or addedQ2 25: 53 cut or sold outQ2 25Q3 25: 25 bought or addedQ3 25: 46 cut or sold outQ4 25: 43 bought or addedQ4 25: 33 cut or sold outQ4 25Q1 26: 22 bought or addedQ1 26: 50 cut or sold outQ2 26: 33 bought or addedQ2 26: 34 cut or sold outQ2 26
Numbers
QuarterBought or addedCut or sold out
Q3 20245026
Q4 20244838
Q1 20253443
Q2 20253653
Q3 20252546
Q4 20254333
Q1 20262250
Q2 20263334

Calls vs puts

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

CallsPuts
$0$500k$1m$1.5m$2mQ3 25 calls: $350.5kQ3 25 puts: $0Q3 25P/C 0.00Q4 25 calls: $583.5kQ4 25 puts: $86.0kQ4 25P/C 0.15Q1 26 calls: $289.5kQ1 26 puts: $9.8kQ1 26P/C 0.03Q2 26 calls: $1.7mQ2 26 puts: $76.8kQ2 26P/C 0.05
Numbers
QuarterCallsPutsP/C
Q3 2025$350.5k$00.00
Q4 2025$583.5k$86.0k0.15
Q1 2026$289.5k$9.8k0.03
Q2 2026$1.7m$76.8k0.05

Biggest buyers

GordonMD Global Investments LP Added +5,903,039+5.9m
Atle Fund Management AB Added +769,423+769.4k
Woodline Partners LP New +523,999+524.0k
MARSHALL WACE, LLP Added +476,127+476.1k
BlackRock, Inc. Added +79,095+79.1k
BANK OF AMERICA CORP /DE/ Added +63,657+63.7k
MYDA Advisors LLC New +50,000+50.0k
Quadrature Capital Ltd New +47,067+47.1k
Verdad Advisers, LP New +44,899+44.9k
VANGUARD CAPITAL MANAGEMENT LLC Added +42,487+42.5k

Biggest sellers

683 Capital Management, LLC Reduced -436,896-436.9k
MILLENNIUM MANAGEMENT LLC Reduced -164,621-164.6k
Longaeva Partners L.P. Reduced -149,632-149.6k
Palo Alto Investors LP Reduced -146,233-146.2k
RENAISSANCE TECHNOLOGIES LLC Reduced -116,448-116.4k
UBS Group AG Reduced -98,907-98.9k
Laurion Capital Management LP Reduced -96,445-96.4k
XTX Topco Ltd Reduced -89,157-89.2k
PANAGORA ASSET MANAGEMENT INC Sold out -69,424-69.4k
TORONTO DOMINION BANK Sold out -50,000-50.0k

Biggest calls

DIADEMA PARTNERS LP New $1.2m388.2k shares
JANE STREET GROUP, LLC Added $221.8k73.7k shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP Added $139.1k46.2k shares
Persistent Asset Partners Ltd New $49.5k990 shares
CITADEL ADVISORS LLC Reduced $44.2k14.7k shares
GROUP ONE TRADING LLC Reduced $30.1k10.0k shares
SIMPLEX TRADING, LLC Reduced $3.6k1.2k shares

Biggest puts

SUSQUEHANNA INTERNATIONAL GROUP, LLP New $56.9k18.9k shares
GROUP ONE TRADING LLC Reduced $19.6k6.5k shares
SIMPLEX TRADING, LLC New $301100 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 since 1 Apr 2026

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
101Q4 24: 1 buyingQ4 24: 0 sellingQ1 25: 0 buyingQ1 25: 0 sellingQ1 25Q2 25: 0 buyingQ2 25: 1 sellingQ3 25: 0 buyingQ3 25: 0 sellingQ3 25Q4 25: 0 buyingQ4 25: 0 sellingQ1 26: 0 buyingQ1 26: 0 sellingQ1 26Q2 26: 0 buyingQ2 26: 1 sellingQ3 26: 0 buyingQ3 26: 0 sellingQ3 26
Numbers
QuarterBuyingBoughtSellingSoldSold under a plan
Q4 20241$174.4k0——
Q1 20250—0——
Q2 20250—1$15.9k$15.9k
Q3 20250—0——
Q4 20250—0——
Q1 20260—0——
Q2 20260—1$107.1k$107.1k
Q3 20260—0——
DateInsiderTradeSharesPrice ValueTheir holding
2026-06-30 Dupont Jakob Director Sold plan 35,000 $3.06 $107.1k35.0k shares -48%

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 2026

#ManagerLocationShares Value% of their portfolioChangeShares change
1 GordonMD Global Investments LP 14.60% of their portfolio Beverely Hills, CA 10,024,90910.0m $30.2m $30.2m 14.60% Added +5.9m +5,903,039
2 Pfizer Inc 11.43% of their portfolio New York, NY 7,032,7707.0m $19.5m $19.5m 11.43% Unchanged
3 Laurion Capital Management LP 1.07% of their portfolio NEW YORK, NY 4,900,8884.9m $14.8m $14.8m 1.07% Reduced -96.4k -96,445
4 VANGUARD CAPITAL MANAGEMENT LLC 0.00% of their portfolio MALVERN, PA 2,075,9972.1m $6.2m $6.2m 0.00% Added +42.5k +42,487
5 Atle Fund Management AB 0.78% of their portfolio STOCKHOLM, V7 966,459966.5k $2.9m $2.9m 0.78% Added +769.4k +769,423
6 BlackRock, Inc. 0.00% of their portfolio New York, NY 867,934867.9k $2.6m $2.6m 0.00% Added +79.1k +79,095
7 Palo Alto Investors LP 0.36% of their portfolio PALO ALTO, CA 864,277864.3k $2.6m $2.6m 0.36% Reduced -146.2k -146,233
8 MARSHALL WACE, LLP 0.00% of their portfolio LONDON, X0 830,544830.5k $2.5m $2.5m 0.00% Added +476.1k +476,127
9 RENAISSANCE TECHNOLOGIES LLC 0.00% of their portfolio NEW YORK, NY 772,232772.2k $2.3m $2.3m 0.00% Reduced -116.4k -116,448
10 GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio BOSTON, MA 591,849591.8k $1.8m $1.8m 0.00% Reduced -6.3k -6,272
11 Woodline Partners LP 0.00% of their portfolio San Francisco, CA 523,999524.0k $1.6m $1.6m 0.00% New
12 683 Capital Management, LLC 0.13% of their portfolio NEW YORK, NY 459,367459.4k $1.4m $1.4m 0.13% Reduced -436.9k -436,896
13 JACOBS LEVY EQUITY MANAGEMENT, INC 0.00% of their portfolio FLORHAM PARK, NJ 428,606428.6k $1.3m $1.3m 0.00% Reduced -32.4k -32,391
14 Longaeva Partners L.P. 0.03% of their portfolio Chicago, IL 353,582353.6k $1.1m $1.1m 0.03% Reduced -149.6k -149,632
15 Decheng Capital LLC 0.13% of their portfolio MENLO PARK, CA 326,810326.8k $983.7k $983.7k 0.13% Unchanged
16 VANGUARD FIDUCIARY TRUST CO 0.00% of their portfolio MALVERN, PA 302,986303.0k $912.0k $912.0k 0.00% Added +2.1k +2,089
17 JANE STREET GROUP, LLC 0.00% of their portfolio NEW YORK, NY 290,090290.1k $873.2k $873.2k 0.00% Reduced -14.4k -14,369
18 STATE STREET CORP 0.00% of their portfolio BOSTON, MA 248,837248.8k $749.0k $749.0k 0.00% Unchanged
19 MILLENNIUM MANAGEMENT LLC 0.00% of their portfolio NEW YORK, NY 233,004233.0k $701.3k $701.3k 0.00% Reduced -164.6k -164,621
20 UBS Group AG 0.00% of their portfolio ZURICH, V8 155,217155.2k $467.2k $467.2k 0.00% Reduced -98.9k -98,907
21 Bank of New York Mellon Corp 0.00% of their portfolio NEW YORK, NY 133,996134.0k $403.3k $403.3k 0.00% Unchanged
22 ACADIAN ASSET MANAGEMENT LLC 0.00% of their portfolio Boston, MA 126,793126.8k $380.0k $380.0k 0.00% Reduced -17.5k -17,463
23 NORTHERN TRUST CORP 0.00% of their portfolio CHICAGO, IL 123,959124.0k $373.1k $373.1k 0.00% Added +22.0k +22,011
24 NewEdge Wealth, LLC 0.00% of their portfolio STAMFORD, CT 116,006116.0k $349.2k $349.2k 0.00% Unchanged
25 XTX Topco Ltd 0.00% of their portfolio LONDON, X0 110,939110.9k $333.9k $333.9k 0.00% Reduced -89.2k -89,157
26 TWO SIGMA INVESTMENTS, LP 0.00% of their portfolio NEW YORK, NY 83,96184.0k $252.7k $252.7k 0.00% Added +10.7k +10,661
27 BRIDGEWAY CAPITAL MANAGEMENT, LLC 0.00% of their portfolio HOUSTON, TX 81,26081.3k $244.6k $244.6k 0.00% Unchanged
28 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 80,46480.5k $242.2k $242.2k 0.00% Added +63.7k +63,657
29 STIFEL FINANCIAL CORP 0.00% of their portfolio ST. LOUIS, MO 70,43770.4k $212.0k $212.0k 0.00% Added +19.9k +19,900
30 Cable Car Capital, LP 0.01% of their portfolio SAN FRANCISCO, CA 61,60661.6k $185.4k $185.4k 0.01% Unchanged
31 MYDA Advisors LLC 0.04% of their portfolio WOODMERE, NY 50,00050.0k $150.5k $150.5k 0.04% New
32 Qube Research & Technologies Ltd 0.00% of their portfolio LONDON, X0 49,93249.9k $150.3k $150.3k 0.00% Added +38.6k +38,646
33 UNIVERSITY OF CHICAGO 0.03% of their portfolio CHICAGO, IL 48,73148.7k $146.7k $146.7k 0.03% Unchanged
34 CITADEL ADVISORS LLC 0.00% of their portfolio MIAMI, FL 47,31747.3k $142.4k $142.4k 0.00% Reduced -13.9k -13,932
35 Quadrature Capital Ltd 0.00% of their portfolio LONDON, X0 47,06747.1k $141.7k $141.7k 0.00% New
36 GOLDMAN SACHS GROUP INC 0.00% of their portfolio NEW YORK, NY 45,90045.9k $138.2k $138.2k 0.00% Reduced -1.0k -1,020
37 Verdad Advisers, LP 0.13% of their portfolio BOSTON, MA 44,89944.9k $135.1k $135.1k 0.13% New
38 LPL Financial LLC 0.00% of their portfolio FORT MILL, SC 43,55443.6k $131.1k $131.1k 0.00% Added +10.0k +10,000
39 COMMONWEALTH EQUITY SERVICES, LLC 0.00% of their portfolio WALTHAM, MA 42,45542.5k $127.8k $127.8k 0.00% Added +7.7k +7,700
40 J. Derek Lewis & Associates Inc. 0.02% of their portfolio NEWPORT BEACH, CA 42,00042.0k $126.4k $126.4k 0.02% Reduced -1.0k -1,000
41 CITIGROUP INC 0.00% of their portfolio NEW YORK, NY 38,20538.2k $115.0k $115.0k 0.00% Added +36.5k +36,465
42 SIMPLEX TRADING, LLC 0.00% of their portfolio CHICAGO, IL 37,90237.9k $114.1k $114.1k 0.00% Added +37.6k +37,649
43 Point72 Asset Management, L.P. 0.00% of their portfolio STAMFORD, CT 37,09237.1k $111.6k $111.6k 0.00% Added +5.1k +5,086
44 Walleye Capital LLC 0.00% of their portfolio NEW YORK, NY 36,77836.8k $110.7k $110.7k 0.00% New
45 DIMENSIONAL FUND ADVISORS LP 0.00% of their portfolio AUSTIN, TX 36,17536.2k $108.9k $108.9k 0.00% Added +10.3k +10,263
46 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 33,44833.4k $100.7k $100.7k 0.00% Reduced -36.2k -36,240
47 MACKENZIE FINANCIAL CORP 0.00% of their portfolio TORONTO ONTARIO, A6 26,34326.3k $79.3k $79.3k 0.00% New
48 Cetera Investment Advisers 0.00% of their portfolio SCHAUMBURG, IL 25,00025.0k $75.2k $75.2k 0.00% Reduced -2.3k -2,260
49 Graham Capital Management, L.P. 0.00% of their portfolio ROWAYTON, CT 22,70822.7k $68.4k $68.4k 0.00% Reduced -40 -40
50 Vanguard Global Advisers, LLC 0.00% of their portfolio MALVERN, PA 21,24221.2k $63.9k $63.9k 0.00% Unchanged
51 OSAIC HOLDINGS, INC. 0.00% of their portfolio SCOTTSDALE, AZ 17,72117.7k $53.3k $53.3k 0.00% Added +4.0k +4,000
52 GROUP ONE TRADING LLC 0.00% of their portfolio CHICAGO, IL 16,48016.5k $49.6k $49.6k 0.00% New
53 FMR LLC 0.00% of their portfolio BOSTON, MA 12,38312.4k $37.3k $37.3k 0.00% Added +471 +471
54 PACES FERRY WEALTH ADVISORS, LLC 0.01% of their portfolio ATLANTA, GA 11,44011.4k $34.4k $34.4k 0.01% Unchanged
55 NewEdge Advisors, LLC 0.00% of their portfolio NEW ORLEANS, LA 10,25010.2k $30.9k $30.9k 0.00% Unchanged
56 China Universal Asset Management Co., Ltd. 0.00% of their portfolio SHANGHAI, F4 10,08310.1k $30.4k $30.4k 0.00% Reduced -966 -966
57 Tower Research Capital LLC (TRC) 0.00% of their portfolio NEW YORK, NY 9,3989.4k $28.3k $28.3k 0.00% Reduced -934 -934
58 PNC Financial Services Group, Inc. 0.00% of their portfolio Pittsburgh, PA 6,5006.5k $19.6k $19.6k 0.00% Unchanged
59 Winthrop Capital Management, LLC 0.00% of their portfolio Carmel, IN 6,0006.0k $18.0k $18.0k 0.00% Unchanged
60 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 5,5455.5k $15.9k $15.9k 0.00% Added +372 +372
61 HAGER INVESTMENT MANAGEMENT SERVICES, LLC 0.01% of their portfolio NEW LONDON, NH 5,0005.0k $15.1k $15.1k 0.01% Unchanged
62 BARCLAYS PLC 0.00% of their portfolio LONDON, X0 4,6694.7k $14.1k $14.1k 0.00% Reduced -45.2k -45,156
63 Federation des caisses Desjardins du Quebec 0.00% of their portfolio LEVIS, A8 4,5004.5k $13.5k $13.5k 0.00% New
64 FEDERATED HERMES, INC. 0.00% of their portfolio PITTSBURGH, PA 2,9623.0k $8.9k $8.9k 0.00% Reduced -219 -219
65 Mirae Asset Global Investments Co., Ltd. 0.00% of their portfolio SEOUL, M5 2,8332.8k $8.5k $8.5k 0.00% Reduced -415 -415
66 BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio PARIS, I0 2,6892.7k $8.1k $8.1k 0.00% Added +1.0k +1,035
67 FIRST UNITED BANK & TRUST 0.00% of their portfolio OAKLAND, MD 2,5002.5k $7.4k $7.4k 0.00% New
68 GF FUND MANAGEMENT CO. LTD. 0.00% of their portfolio GUANGZHOU, F4 1,2261.2k $3.7k $3.7k 0.00% Reduced -90 -90
69 NISA INVESTMENT ADVISORS, LLC 0.00% of their portfolio ST. LOUIS, MO 961961 $2.9k $2.9k 0.00% Unchanged
70 Physician Wealth Advisors, Inc. 0.00% of their portfolio MIDVALE, UT 943943 $2.8k $2.8k 0.00% Unchanged
71 SBI Securities Co., Ltd. 0.00% of their portfolio TOKYO, M0 509509 $1.5k $1.5k 0.00% Added +508 +508
72 JONES FINANCIAL COMPANIES LLLP 0.00% of their portfolio DES PERES, MO 500500 $1.4k $1.4k 0.00% Unchanged
73 WELLS FARGO & COMPANY/MN 0.00% of their portfolio SAN FRANCISCO, CA 285285 $858 $858 0.00% Unchanged
74 Cornerstone Financial Management LLC 0.00% of their portfolio BURLINGTON, MA 172172 $518 $518 0.00% Unchanged
75 Caitong International Asset Management Co., Ltd 0.00% of their portfolio HONG KONG, K3 3535 $105 $105 0.00% Added +31 +31
76 Arax Advisory Partners 0.00% of their portfolio NEW YORK, NY 1414 $42 $42 0.00% Added +13 +13