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Super Investors Knott David M Jr
KD

Knott David M Jr

Quarterly 13F snapshot: US-listed longs only, no performance figures — 13F data cannot support them.

Portfolio value
$189M
Positions
84
Quarter ended
June 30, 2026
Filed
August 12, 2026

Reported portfolio value by quarter (19 quarters reported)

$314M $168M
Q4 21 Q4 22 Q4 23 Q4 24 Q4 25 Q2 26

$295M in Q4 2021 → $189M now. Hover for any quarter.

Holdings

As reported for the quarter ended June 30, 2026. Activity is the change in share count since the prior quarter's filing.

Holding % of portfolio Activity Shares Value
AI Alphabet Inc-cl C 17.1% Unchanged 91,420 $32.3M
Apollo Global Management, Inc. 14.1% Unchanged 225,000 $26.6M
SP Syndax Pharmaceutical, Inc. 5.1% Added 3.6% 437,245 $9.56M
Xeris Biopharma Holdings, Inc. 4.4% Unchanged 1,060,000 $8.4M
Travere Therapeutics, Inc. 4.4% Added 4.7% 147,282 $8.37M
Protagonist Therapeutics, Inc 4.1% Unchanged 63,000 $7.72M
Bridgebio Pharma, Inc. 3.7% Added 3.2% 92,850 $6.92M
Iovance Biotherapeutics, Inc. 3.5% Unchanged 1,600,000 $6.66M
Alkermes PLC 3.4% Added 1.5% 121,759 $6.38M
Jpmorgan Chase & Co. 3.1% Trimmed 7.1% 18,098 $5.92M
JH Janus Henderson Aaa Clo ETF 2.5% Unchanged 93,528 $4.72M
Lpl Financial Holdings Inc. 2.5% Unchanged 16,500 $4.65M
Cogent Biosciences Inc. 2.3% Added 6.8% 111,081 $4.3M
Tg Therapeutics, Inc. 1.9% Trimmed 26% 66,839 $3.67M
Catalyst Pharmaceuticals, Inc. 1.9% New 114,000 $3.58M
AP Agios Pharmaceutical, Inc. 1.9% Added 2.1% 95,058 $3.53M
Viridian Therapeutics, Inc. 1.8% Unchanged 181,000 $3.32M
Relmada Therapeutics, Inc. 1.6% Added 2.7% 451,000 $3.12M
Arcus Biosciences, Inc. 1.3% Unchanged 81,241 $2.5M
Cybin Inc 1.3% Added 5.7% 370,000 $2.45M
SS SPDR S&P Biotech ETF 1.3% Unchanged 15,000 $2.37M
Rezolute, Inc. 1.0% Unchanged 370,000 $1.92M
AH Alliancebernstein Holding L.p. 0.9% Unchanged 48,000 $1.69M
MP Madrigal Pharmaaceuticals, Inc. 0.9% Added 50% 3,000 $1.61M
Atricure, Inc. 0.8% Unchanged 51,400 $1.44M
Docgo, Inc. 0.7% Unchanged 2,670,850 $1.38M
Ardelyx, Inc. 0.7% Added 27% 263,168 $1.34M
Ultragenyx Pharmaceutical Inc. 0.7% Added 15% 38,069 $1.27M
PB The Panagram Bbb-b Clo ETF 0.7% Unchanged 47,807 $1.26M
Cullinan Therapeutics, Inc. 0.7% Added 186% 69,182 $1.26M
Johnson & Johnson 0.7% Unchanged 4,922 $1.25M
Vera Therapeutics, Inc. 0.6% Unchanged 26,000 $1.12M
Orchestra Biomed Holdings, Inc. 0.6% Unchanged 253,651 $1.09M
Spruce Biosciences, Inc. 0.6% New 20,000 $1.08M
Connect Biopharma Holdings Limited 0.6% Added 15% 444,862 $1.06M
IB Ishares Biotechnology ETF 0.6% Unchanged 5,500 $1.05M
Biogen Inc. 0.5% Unchanged 4,000 $864K
Pfizer Inc. 0.4% Unchanged 32,337 $779K
Apple Inc. 0.4% Unchanged 2,494 $722K
Canadian Natural Resources Limited 0.4% Unchanged 16,800 $664K
Pelthos Therapeutics, Inc. 0.3% Added 4.7% 22,073 $624K
International Business Machines 0.3% Unchanged 2,142 $602K
Microsoft Corporation 0.3% Unchanged 1,600 $597K
Verastem Inc. 0.3% Added 49% 155,000 $592K
Kura Oncology, Inc. 0.3% Unchanged 52,767 $579K
SB Solid Bioscience Inc. 0.3% Added 19% 56,208 $562K
Dupont De Nemours, Inc. 0.3% New 3,767 $511K
Insmed Incorporated 0.2% New 4,253 $453K
Lb Pharmaceuticals, Inc. 0.2% New 12,965 $421K
Caredx, Inc. 0.2% New 13,630 $388K
Q32 Bio Inc 0.2% New 30,412 $387K
Enliven Therapeutics, Inc. 0.2% New 6,183 $314K
Ryman Hospitality Properties, Inc. 0.2% Unchanged 2,400 $309K
Broadcom, Inc. 0.1% Unchanged 710 $268K
Kimberly-clark Corporation 0.1% Unchanged 2,400 $263K
Nvidia Corp 0.1% Unchanged 1,280 $256K
Boston Scientific Corporation 0.1% New 6,000 $256K
WL Wave Life Science Ltd. 0.1% Unchanged 40,000 $232K
Rain Enhancement Technologies Holdco Inc 0.1% Unchanged 101,686 $210K
Mondelez International, Inc. 0.1% Unchanged 3,000 $174K

Showing top 60 of 84 positions.

Timeline of changes

What changed each quarter, from the filings' own share counts. Largest moves first; most recent 8 quarters.

Q2 2026

quarter ended June 30, 2026 · filed August 12, 2026

Company Action Shares changed Value of change % of portfolio
Catalyst Pharmaceuticals, Inc. New +114,000 +$3.58M 1.9%
Catalyst Pharmaceuticals, Inc. Exited −120,000 −$2.97M —
Arcellx Inc Exited −19,433 −$2.23M —
Cytokinetics, Incorporated Exited −23,644 −$1.56M —
Centessa Pharmaceuticals PLC Exited −39,000 −$1.55M —
Tg Therapeutics, Inc. Trimmed −23,162 −$1.27M 1.9%
Spruce Biosciences, Inc. New +20,000 +$1.08M 0.6%
Cullinan Therapeutics, Inc. Added +44,982 +$819K 0.7%
Bristol-myers Squibb Company Trimmed −11,622 −$670K 0.1%
Adma Biologics, Inc. Exited −60,200 −$542K —

Showing the 10 largest of 43 changes.

Q1 2026

quarter ended March 31, 2026 · filed May 14, 2026

Company Action Shares changed Value of change % of portfolio
Calumet, Inc. Exited −2,214,969 −$44M —
Iovance Biotherapeutics, Inc. New +1,600,000 +$5.62M 3.3%
Lpl Financial Holdings Inc. New +16,500 +$4.96M 3.0%
Relmada Therapeutics, Inc. New +439,300 +$3.06M 1.8%
AP Agios Pharmaceutical, Inc. Added +75,058 +$2.54M 1.9%
Catalyst Pharmaceuticals, Inc. Trimmed −69,000 −$1.71M 1.8%
Tectonic Therapeutic, Inc. Exited −74,000 −$1.54M —
Tg Therapeutics, Inc. Added +45,001 +$1.49M 1.8%
Centessa Pharmaceuticals PLC Added +35,000 +$1.39M 0.9%
Travere Therapeutics, Inc. Trimmed −45,367 −$1.35M 2.5%

Showing the 10 largest of 52 changes.

Q4 2025

quarter ended December 31, 2025 · filed February 12, 2026

Company Action Shares changed Value of change % of portfolio
JH Janus Henderson Aaa Clo ETF Trimmed −344,226 −$17.4M 2.2%
Calumet, Inc. Trimmed −610,262 −$12.1M 20.4%
Darling Ingredients Inc. Exited −300,000 −$9.26M —
AI Alphabet Inc-cl C Trimmed −20,800 −$6.53M 13.3%
Avadel Pharmaceuticals PLC Exited −363,000 −$5.54M —
Verona Pharma Plc. Exited −38,355 −$4.09M —
Cogent Biosciences Inc. New +102,000 +$3.62M 1.7%
Travere Therapeutics, Inc. Trimmed −74,000 −$2.83M 3.3%
Csx Corporation Exited −70,000 −$2.48M —
Liquidia Corporation Exited −107,783 −$2.45M —

Showing the 10 largest of 62 changes.

Q3 2025

quarter ended September 30, 2025 · filed November 12, 2025

Company Action Shares changed Value of change % of portfolio
Darling Ingredients Inc. New +300,000 +$9.26M 3.7%
Calumet, Inc. Trimmed −450,000 −$8.21M 20.8%
JH Janus Henderson Aaa Clo ETF Trimmed −57,500 −$2.92M 9.0%
Inozyme Pharma, Inc. Exited −666,204 −$2.66M —
Rezolute, Inc. New +275,000 +$2.59M 1.0%
Enstar Group Limited Exited −7,500 −$2.52M —
Biocryst Pharmaceuticals, Inc. Trimmed −300,055 −$2.28M 0.1%
Arcellx Inc New +25,700 +$2.11M 0.9%
Verona Pharma Plc. Trimmed −16,645 −$1.78M 1.7%
Arcellx Inc Exited −25,700 −$1.69M —

Showing the 10 largest of 53 changes.

Q2 2025

quarter ended June 30, 2025 · filed August 11, 2025

Company Action Shares changed Value of change % of portfolio
Pfizer Inc. Trimmed −180,000 −$4.36M 0.8%
Bridgebio Pharma, Inc. New +80,000 +$3.45M 1.6%
Verona Pharma Plc. Trimmed −33,000 −$3.12M 2.4%
JH Janus Henderson Aaa Clo ETF Trimmed −56,509 −$2.87M 11.4%
Ardelyx, Inc. Exited −493,807 −$2.42M —
Lenz Therapeutics, Inc. New +82,000 +$2.4M 1.1%
Omniab, Inc. Exited −982,336 −$2.36M —
SP Syndax Pharmaceutical, Inc. Added +224,778 +$2.11M 1.5%
IA The Invesco Aaa Floating Rate Note ETF Exited −70,502 −$1.8M —
Arcellx Inc New +25,700 +$1.69M 0.8%

Showing the 10 largest of 48 changes.

Q1 2025

quarter ended March 31, 2025 · filed May 12, 2025

Company Action Shares changed Value of change % of portfolio
JH Janus Henderson Aaa Clo ETF Exited −157,932 −$8.01M —
Verona Pharma Plc. Trimmed −71,300 −$4.53M 2.6%
Calumet, Inc. Trimmed −354,167 −$4.49M 19.7%
IA The Invesco Aaa Floating Rate Note ETF Trimmed −130,985 −$3.34M 0.8%
JH Janus Henderson Aaa Clo ETF Trimmed −38,634 −$1.96M 13.2%
Ultragenyx Pharmaceutical Inc. New +48,000 +$1.74M 0.8%
Viking Therapeutics, Inc. Exited −39,036 −$1.57M —
Myriad Genetics, Inc. New +160,000 +$1.42M 0.7%
Cogent Biosciences Inc. New +213,302 +$1.28M 0.6%
Regeneron Pharmaceuticals, Inc. New +2,000 +$1.27M 0.6%

Showing the 10 largest of 59 changes.

Q4 2024

quarter ended December 31, 2024 · filed February 12, 2025

Company Action Shares changed Value of change % of portfolio
JH Janus Henderson Aaa Clo ETF Added +505,568 +$25.6M 10.8%
Calumet, Inc. Trimmed −673,639 −$14.8M 29.1%
PB The Panagram Bbb-b Clo ETF Trimmed −495,061 −$13.3M 0.5%
JH Janus Henderson Aaa Clo ETF New +157,932 +$8.01M 2.9%
MF Medical Facilities Corp Exited −534,207 −$5.33M —
Avadel Pharmaceuticals PLC Exited −332,000 −$4.35M —
Avadel Pharmaceuticals PLC New +346,904 +$3.65M 1.3%
Gsk PLC Exited −65,000 −$2.66M —
Digimarc Corporation Exited −83,557 −$2.25M —
BP Biomarin Phamaceutical Inc. Trimmed −28,200 −$1.85M 0.1%

Showing the 10 largest of 40 changes.

Q3 2024

quarter ended September 30, 2024 · filed November 13, 2024

Company Action Shares changed Value of change % of portfolio
CS Calumet Specialty Products Partners, LP New +4,325,000 +$77.1M 27.1%
CS Calumet Specialty Products Partners, LP Exited −4,325,000 −$69.4M —
Ligand Pharmaceuticals Incorporated Exited −85,000 −$7.16M —
BP Biomarin Pharmaceuticals Inc. New +34,000 +$2.39M 0.8%
Viking Therapeutics, Inc. Trimmed −37,000 −$2.34M 0.9%
Luckin Coffee, Inc Exited −100,000 −$2.11M —
JH Janus Henderson Aaa Clo ETF Added +31,432 +$1.6M 1.5%
JH Janus Henderson Aaa Clo ETF Exited −31,432 −$1.6M —
IA The Invesco Aaa Floating Rate Note ETF Trimmed −48,866 −$1.25M 1.7%
Evolus, Inc. Trimmed −51,112 −$828K 0.3%

Showing the 10 largest of 61 changes.

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