Vault-13

CARDIFF ONCOLOGY INC CRDF

COM · Common Stock · CUSIP 14147L108

104 institutional holders -13 vs Q1 2026
18,780,82918.8m shares reported held*
24.1% of all shares outstanding*
$24.3mreported value*
20 new 35 added 26 reduced 30 sold out net sold ≈ $7.5m (-5.8m 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 ($9.3k this quarter). Holder counts are more reliable. Shares outstanding: 77.8m as of 2026-08-06, 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 ≈ $1.29. Options: 4 managers hold calls ($956.4k notional), 4 hold puts ($32.1k).

Trends to Q2 2026

Institutional holders

Managers reporting a position, each quarter

050100150Q3 22: 59Q4 22: 62Q1 23: 56Q2 23: 54Q3 23: 57Q4 23: 56Q1 24: 78Q2 24: 91Q3 24: 84Q4 24: 118Q1 25: 117Q2 25: 116Q3 25: 112Q4 25: 110Q1 26: 117Q2 26: 104104Q3 22Q3 23Q3 24Q3 25Q2 26
Numbers
QuarterHolders
Q3 202259
Q4 202262
Q1 202356
Q2 202354
Q3 202357
Q4 202356
Q1 202478
Q2 202491
Q3 202484
Q4 2024118
Q1 2025117
Q2 2025116
Q3 2025112
Q4 2025110
Q1 2026117
Q2 2026104

Buyers vs sellers

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

Bought or addedCut or sold out
1000100Q3 24: 32 bought or addedQ3 24: 38 cut or sold outQ4 24: 65 bought or addedQ4 24: 20 cut or sold outQ4 24Q1 25: 64 bought or addedQ1 25: 32 cut or sold outQ2 25: 64 bought or addedQ2 25: 41 cut or sold outQ2 25Q3 25: 52 bought or addedQ3 25: 47 cut or sold outQ4 25: 42 bought or addedQ4 25: 52 cut or sold outQ4 25Q1 26: 49 bought or addedQ1 26: 51 cut or sold outQ2 26: 55 bought or addedQ2 26: 56 cut or sold outQ2 26
Numbers
QuarterBought or addedCut or sold out
Q3 20243238
Q4 20246520
Q1 20256432
Q2 20256441
Q3 20255247
Q4 20254252
Q1 20264951
Q2 20265556

Calls vs puts

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

CallsPuts
$0$1m$2m$3mQ3 25 calls: $2.6mQ3 25 puts: $902.1kQ3 25P/C 0.34Q4 25 calls: $2.1mQ4 25 puts: $284.1kQ4 25P/C 0.14Q1 26 calls: $1.2mQ1 26 puts: $118.1kQ1 26P/C 0.10Q2 26 calls: $956.4kQ2 26 puts: $32.1kQ2 26P/C 0.03
Numbers
QuarterCallsPutsP/C
Q3 2025$2.6m$902.1k0.34
Q4 2025$2.1m$284.1k0.14
Q1 2026$1.2m$118.1k0.10
Q2 2026$956.4k$32.1k0.03

Biggest buyers

JANE STREET GROUP, LLC Added +567,795+567.8k
Laurion Capital Management LP Added +451,561+451.6k
AQR CAPITAL MANAGEMENT LLC Added +280,197+280.2k
HRT FINANCIAL LP New +272,786+272.8k
UBS Group AG Added +238,123+238.1k
BNP PARIBAS FINANCIAL MARKETS Added +215,385+215.4k
X-Square Capital, LLC New +205,700+205.7k
MORGAN STANLEY Added +189,789+189.8k
MARSHALL WACE, LLP New +162,214+162.2k
Qube Research & Technologies Ltd New +125,550+125.5k

Biggest sellers

BlackRock, Inc. Reduced -3,008,514-3.0m
ACORN CAPITAL ADVISORS, LLC Sold out -1,762,084-1.8m
STATE STREET CORP Reduced -855,552-855.6k
GEODE CAPITAL MANAGEMENT, LLC Reduced -779,601-779.6k
VANGUARD PORTFOLIO MANAGEMENT LLC Reduced -365,157-365.2k
FLPUTNAM INVESTMENT MANAGEMENT CO Reduced -347,653-347.7k
NORTHERN TRUST CORP Reduced -340,330-340.3k
CHARLES SCHWAB INVESTMENT MANAGEMENT INC Sold out -164,708-164.7k
TWO SIGMA INVESTMENTS, LP Reduced -159,324-159.3k
XTX Topco Ltd Reduced -152,822-152.8k

Biggest calls

GROUP ONE TRADING LLC Added $528.7k406.7k shares
CITADEL ADVISORS LLC Reduced $239.7k184.4k shares
JANE STREET GROUP, LLC New $105.3k81.0k shares
SIMPLEX TRADING, LLC Added $82.7k63.6k shares

Biggest puts

CITADEL ADVISORS LLC New $16.9k13.0k shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP Reduced $14.7k11.3k shares
GROUP ONE TRADING LLC Unchanged $260200 shares
SIMPLEX TRADING, LLC Reduced $260200 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.

No one currently above 5% in the filings since 19 Dec 2024.

Fell to 5% or below in the last year: BlackRock, Inc. (1.3%, 2026-07-27), VANGUARD GROUP INC (0.0%, 2026-03-26)

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
404Q4 24: 3 buyingQ4 24: 0 sellingQ1 25: 0 buyingQ1 25: 0 sellingQ1 25Q2 25: 0 buyingQ2 25: 0 sellingQ3 25: 1 buyingQ3 25: 0 sellingQ3 25Q4 25: 0 buyingQ4 25: 0 sellingQ1 26: 0 buyingQ1 26: 0 sellingQ1 26Q2 26: 2 buyingQ2 26: 0 sellingQ3 26: 2 buyingQ3 26: 0 sellingQ3 26
Numbers
QuarterBuyingBoughtSellingSoldSold under a plan
Q4 20243$1.0m0——
Q1 20250—0——
Q2 20250—0——
Q3 20251$710.5k0——
Q4 20250—0——
Q1 20260—0——
Q2 20262$66.5k0——
Q3 20262$1.1m0——
DateInsiderTradeSharesPrice ValueTheir holding
2026-07-14 PACE GARY W Director Bought 687,285 $1.46 $1.0m687.3k shares +51%
2026-07-14 Mohindru Mani Chief Executive Officer, director Bought 34,364 $1.46 $50.2k34.4k shares +139%
2026-06-18 PACE GARY W Director Bought 30,000 $1.22 $36.6k30.0k shares +2%
2026-06-18 Mohindru Mani Chief Executive Officer, director Bought 24,703 $1.21 $29.9k24.7k shares new

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 Laurion Capital Management LP 0.29% of their portfolio NEW YORK, NY 3,098,2993.1m $4.0m $4.0m 0.29% Added +451.6k +451,561
2 VANGUARD CAPITAL MANAGEMENT LLC 0.00% of their portfolio MALVERN, PA 2,895,5922.9m $3.8m $3.8m 0.00% Added +39.6k +39,626
3 Pfizer Inc 1.77% of their portfolio New York, NY 2,411,5752.4m $3.0m $3.0m 1.77% Unchanged
4 FRANKLIN RESOURCES INC 0.00% of their portfolio San Mateo, CA 1,205,8031.2m $1.6m $1.6m 0.00% Unchanged
5 BlackRock, Inc. 0.00% of their portfolio New York, NY 972,873972.9k $1.3m $1.3m 0.00% Reduced -3.0m -3,008,514
6 BLAIR WILLIAM & CO/IL 0.00% of their portfolio CHICAGO, IL 912,513912.5k $1.2m $1.2m 0.00% Reduced -9.9k -9,894
7 GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio BOSTON, MA 820,062820.1k $1.1m $1.1m 0.00% Reduced -779.6k -779,601
8 UBS Group AG 0.00% of their portfolio ZURICH, V8 638,699638.7k $830.3k $830.3k 0.00% Added +238.1k +238,123
9 JANE STREET GROUP, LLC 0.00% of their portfolio NEW YORK, NY 607,900607.9k $790.3k $790.3k 0.00% Added +567.8k +567,795
10 VANGUARD FIDUCIARY TRUST CO 0.00% of their portfolio MALVERN, PA 410,602410.6k $533.8k $533.8k 0.00% Reduced -35.6k -35,623
11 AQR CAPITAL MANAGEMENT LLC 0.00% of their portfolio Greenwich, CT 346,353346.4k $450.3k $450.3k 0.00% Added +280.2k +280,197
12 STATE STREET CORP 0.00% of their portfolio BOSTON, MA 331,395331.4k $430.8k $430.8k 0.00% Reduced -855.6k -855,552
13 HRT FINANCIAL LP 0.00% of their portfolio NEW YORK, NY 272,786272.8k $354.0k $354.0k 0.00% New
14 FLPUTNAM INVESTMENT MANAGEMENT CO 0.00% of their portfolio PORTLAND, ME 247,474247.5k $321.7k $321.7k 0.00% Reduced -347.7k -347,653
15 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 246,095246.1k $319.9k $319.9k 0.00% Added +189.8k +189,789
16 BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio PARIS, I0 228,461228.5k $297.0k $297.0k 0.00% Added +215.4k +215,385
17 X-Square Capital, LLC 0.07% of their portfolio GUAYNABO, PR 205,700205.7k $267.0k $267.0k 0.07% New
18 GSA CAPITAL PARTNERS LLP 0.01% of their portfolio LONDON, X0 173,274173.3k $225.0k $225.0k 0.01% Added +50.3k +50,266
19 MARSHALL WACE, LLP 0.00% of their portfolio LONDON, X0 162,214162.2k $210.9k $210.9k 0.00% New
20 Bank of New York Mellon Corp 0.00% of their portfolio NEW YORK, NY 161,689161.7k $210.2k $210.2k 0.00% Reduced -141.7k -141,739
21 NORTHERN TRUST CORP 0.00% of their portfolio CHICAGO, IL 152,875152.9k $198.7k $198.7k 0.00% Reduced -340.3k -340,330
22 Avestar Capital, LLC 0.01% of their portfolio New York, NY 136,145136.1k $177.0k $177.0k 0.01% Unchanged
23 MILLENNIUM MANAGEMENT LLC 0.00% of their portfolio NEW YORK, NY 134,517134.5k $174.9k $174.9k 0.00% Added +111.5k +111,488
24 Assenagon Asset Management S.A. 0.00% of their portfolio SENNINGERBERG, N4 134,462134.5k $174.8k $174.8k 0.00% Added +67.2k +67,231
25 Qube Research & Technologies Ltd 0.00% of their portfolio LONDON, X0 125,550125.5k $163.2k $163.2k 0.00% New
26 GOLDMAN SACHS GROUP INC 0.00% of their portfolio NEW YORK, NY 120,827120.8k $157.1k $157.1k 0.00% Reduced -14.8k -14,771
27 SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio BALA CYNWYD, PA 116,138116.1k $151.0k $151.0k 0.00% Added +23.8k +23,779
28 AlphaCore Capital LLC 0.00% of their portfolio LA JOLLA, CA 108,493108.5k $141.0k $141.0k 0.00% Added +67 +67
29 XTX Topco Ltd 0.00% of their portfolio LONDON, X0 97,40097.4k $126.6k $126.6k 0.00% Reduced -152.8k -152,822
30 Squarepoint Ops LLC 0.00% of their portfolio NEW YORK, NY 96,09096.1k $124.9k $124.9k 0.00% Added +69.7k +69,734
31 VANGUARD PORTFOLIO MANAGEMENT LLC 0.00% of their portfolio MALVERN, PA 72,05772.1k $93.7k $93.7k 0.00% Reduced -365.2k -365,157
32 Virtu Financial LLC 0.00% of their portfolio New York, NY 71,32871.3k $93.0k $93.0k 0.00% Added +57.7k +57,724
33 CAPSTONE INVESTMENT ADVISORS, LLC 0.00% of their portfolio NEW YORK, NY 51,19051.2k $66.5k $66.5k 0.00% Unchanged
34 Mariner, LLC 0.00% of their portfolio Overland Park, KS 49,35649.4k $64.2k $64.2k 0.00% Added +34.9k +34,905
35 Creative Planning 0.00% of their portfolio OVERLAND PARK, KS 48,09748.1k $62.5k $62.5k 0.00% Added +4.5k +4,487
36 ELKHORN PARTNERS LIMITED PARTNERSHIP 0.05% of their portfolio OMAHA, NE 48,00048.0k $62.4k $62.4k 0.05% Added +3.5k +3,500
37 TWO SIGMA INVESTMENTS, LP 0.00% of their portfolio NEW YORK, NY 47,66647.7k $62.0k $62.0k 0.00% Reduced -159.3k -159,324
38 IEQ CAPITAL, LLC 0.00% of their portfolio Foster City, CA 44,63044.6k $58.0k $58.0k 0.00% New
39 Glenview Trust Co 0.00% of their portfolio Louisville, KY 43,12843.1k $56.1k $56.1k 0.00% Unchanged
40 DIMENSIONAL FUND ADVISORS LP 0.00% of their portfolio AUSTIN, TX 36,65036.6k $47.6k $47.6k 0.00% Unchanged
41 HighTower Advisors, LLC 0.00% of their portfolio CHICAGO, IL 34,76434.8k $45.2k $45.2k 0.00% Added +598 +598
42 RHUMBLINE ADVISERS 0.00% of their portfolio BOSTON, MA 30,06430.1k $39.1k $39.1k 0.00% Reduced -43.8k -43,832
43 HSBC HOLDINGS PLC 0.00% of their portfolio LONDON, X0 28,99629.0k $36.8k $36.8k 0.00% New
44 Point72 Asset Management, L.P. 0.00% of their portfolio STAMFORD, CT 28,38528.4k $36.9k $36.9k 0.00% New
45 Quadrature Capital Ltd 0.00% of their portfolio LONDON, X0 26,86726.9k $34.9k $34.9k 0.00% New
46 Vanguard Global Advisers, LLC 0.00% of their portfolio MALVERN, PA 25,27125.3k $32.9k $32.9k 0.00% Unchanged
47 Engineers Gate Manager LP 0.00% of their portfolio NEW YORK, NY 24,99425.0k $32.5k $32.5k 0.00% New
48 Tamar Securities, LLC 0.00% of their portfolio Woodland Hills, CA 23,79523.8k $30.9k $30.9k 0.00% Added +4.5k +4,455
49 MAI Capital Management 0.00% of their portfolio INDEPENDENCE, OH 23,37323.4k $30.4k $30.4k 0.00% Reduced -6.1k -6,131
50 RAYMOND JAMES FINANCIAL INC 0.00% of their portfolio ST. PETERSBURG, FL 22,67222.7k $29.5k $29.5k 0.00% Unchanged
51 Post Resch Tallon Group Inc. 0.02% of their portfolio PITTSFORD, NY 22,51522.5k $29.3k $29.3k 0.02% Unchanged
52 Y-Intercept (Hong Kong) Ltd 0.00% of their portfolio HONG KONG, K3 22,38822.4k $29.1k $29.1k 0.00% New
53 R Squared Ltd 0.02% of their portfolio HONG KONG, K3 22,01822.0k $28.6k $28.6k 0.02% Added +10.2k +10,216
54 PFG Investments, LLC 0.00% of their portfolio WOODBURY, NY 20,50120.5k $26.7k $26.7k 0.00% Added +8.0k +8,000
55 BRIGHTON JONES LLC 0.00% of their portfolio SEATTLE, WA 20,45320.5k $26.6k $26.6k 0.00% Added +3.5k +3,497
56 Baker Ellis Asset Management LLC 0.00% of their portfolio Vancouver, WA 20,00020.0k $26.0k $26.0k 0.00% Unchanged
57 Rockefeller Capital Management L.P. 0.00% of their portfolio NEW YORK, NY 20,00020.0k $26.0k $26.0k 0.00% Reduced -36.5k -36,500
58 Proactive Wealth Strategies LLC 0.00% of their portfolio MARIETTA, GA 20,00020.0k $26.0k $26.0k 0.00% Unchanged
59 Capital Advisors Wealth Management, LLC 0.00% of their portfolio YAKIMA, WA 15,52515.5k $20.2k $20.2k 0.00% Added +525 +525
60 WELLS FARGO & COMPANY/MN 0.00% of their portfolio SAN FRANCISCO, CA 15,13015.1k $19.7k $19.7k 0.00% Reduced -23.3k -23,276
61 Tower Research Capital LLC (TRC) 0.00% of their portfolio NEW YORK, NY 13,97614.0k $18.2k $18.2k 0.00% Added +1.7k +1,730
62 RENAISSANCE TECHNOLOGIES LLC 0.00% of their portfolio NEW YORK, NY 13,94213.9k $18.1k $18.1k 0.00% Reduced -87.3k -87,311
63 AXQ CAPITAL, LP 0.00% of their portfolio JERSEY CITY, NJ 13,11013.1k $17.0k $17.0k 0.00% New
64 Gladstone Institutional Advisory LLC 0.00% of their portfolio Bedminster, NJ 13,00013.0k $16.9k $16.9k 0.00% Unchanged
65 INTEGRITY ALLIANCE, LLC. 0.00% of their portfolio Urbandale, IA 12,86012.9k $16.7k $16.7k 0.00% Unchanged
66 MERCER GLOBAL ADVISORS INC /ADV 0.00% of their portfolio DENVER, CO 12,75512.8k $16.6k $16.6k 0.00% New
67 ROYAL BANK OF CANADA 0.00% of their portfolio TORONTO, A6 12,32212.3k $16.0k $16.0k 0.00% Added +7.1k +7,120
68 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 12,18312.2k $15.8k $15.8k 0.00% Reduced -38.9k -38,936
69 WEALTH ENHANCEMENT ADVISORY SERVICES, LLC 0.00% of their portfolio PLYMOUTH, MN 12,09512.1k $16.1k $16.1k 0.00% New
70 Ledgewood Wealth Advisors, LLC 0.01% of their portfolio EXETER, NH 11,19011.2k $14.5k $14.5k 0.01% Unchanged
71 Scarborough Advisors, LLC 0.00% of their portfolio ANNAPOLIS, MD 10,50210.5k $16.2k $16.2k 0.00% Unchanged
72 Optiver Holding B.V. 0.00% of their portfolio AMSTERDAM, P7 10,15110.2k $13.2k $13.2k 0.00% Added +8.5k +8,494
73 Focus Partners Wealth 0.00% of their portfolio ST LOUIS, MO 10,14410.1k $13.2k $13.2k 0.00% New
74 FMR LLC 0.00% of their portfolio BOSTON, MA 9,7939.8k $12.7k $12.7k 0.00% Reduced -31.1k -31,103
75 Security National Bank 0.00% of their portfolio OMAHA, NE 9,7679.8k $12.7k $12.7k 0.00% Unchanged
76 TRUST CO OF TOLEDO NA /OH/ 0.00% of their portfolio HOLLAND, OH 9,0009.0k $11.7k $11.7k 0.00% Unchanged
77 Arax Advisory Partners 0.00% of their portfolio NEW YORK, NY 7,6817.7k $10.0k $10.0k 0.00% Added +7.3k +7,341
78 Golden State Wealth Management, LLC 0.00% of their portfolio SANTA ANA, CA 7,0507.0k $9.2k $9.2k 0.00% New
79 BARCLAYS PLC 0.00% of their portfolio LONDON, X0 5,4075.4k $7.0k $7.0k 0.00% Reduced -6.3k -6,259
80 FEDERATED HERMES, INC. 0.00% of their portfolio PITTSBURGH, PA 4,8114.8k $6.3k $6.3k 0.00% Added +2.6k +2,558
81 IFP Advisors, Inc 0.00% of their portfolio TAMPA, FL 3,8403.8k $5.0k $5.0k 0.00% Added +3.8k +3,835
82 US BANCORP \DE\ 0.00% of their portfolio MINNEAPOLIS, MN 3,1093.1k $4.0k $4.0k 0.00% Unchanged
83 SIMPLEX TRADING, LLC 0.00% of their portfolio CHICAGO, IL 3,0603.1k $4.0k $4.0k 0.00% Reduced -13.4k -13,394
84 Farther Finance Advisors, LLC 0.00% of their portfolio SAN FRANCISCO, CA 2,8792.9k $3.7k $3.7k 0.00% Added +2.9k +2,878
85 PNC Financial Services Group, Inc. 0.00% of their portfolio Pittsburgh, PA 2,2182.2k $2.9k $2.9k 0.00% Added +1.5k +1,511
86 Essential Partners LLC 0.00% of their portfolio RANCHO SANTA FE, CA 2,0852.1k $2.7k $2.7k 0.00% Reduced -482 -482
87 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 1,9151.9k $2.4k $2.4k 0.00% Reduced -24.8k -24,809
88 Integrated Wealth Concepts LLC 0.00% of their portfolio WALTHAM, MA 1,4281.4k $1.9k $1.9k 0.00% New
89 EverSource Wealth Advisors, LLC 0.00% of their portfolio BIRMINGHAM, AL 1,1151.1k $1.4k $1.4k 0.00% Added +760 +760
90 Allworth Financial LP 0.00% of their portfolio FOLSOM, CA 712712 $926 $926 0.00% Added +692 +692
91 Clearstead Advisors, LLC 0.00% of their portfolio CLEVELAND, OH 700700 $910 $910 0.00% Unchanged
92 CITIGROUP INC 0.00% of their portfolio NEW YORK, NY 501501 $651 $651 0.00% Reduced -39.8k -39,765
93 Fortitude Family Office, LLC 0.00% of their portfolio SCOTTSDALE, AZ 379379 $493 $493 0.00% New
94 GAMMA Investing LLC 0.00% of their portfolio FOSTER CITY, CA 147147 $191 $191 0.00% Reduced -1.1k -1,082
95 SBI Securities Co., Ltd. 0.00% of their portfolio TOKYO, M0 145145 $189 $189 0.00% Added +1 +1
96 ROTHSCHILD INVESTMENT LLC 0.00% of their portfolio CHICAGO, IL 9090 $117 $117 0.00% Added +79 +79
97 NewEdge Advisors, LLC 0.00% of their portfolio NEW ORLEANS, LA 8181 $105 $105 0.00% Unchanged
98 SJS Investment Consulting Inc. 0.00% of their portfolio SYLVANIA, OH 6363 $82 $82 0.00% New
99 JONES FINANCIAL COMPANIES LLLP 0.00% of their portfolio DES PERES, MO 5050 $63 $63 0.00% Unchanged
100 NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO 0.00% of their portfolio MILWAUKEE, WI 4848 $62 $62 0.00% Unchanged