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Super Investors DIADEMA PARTNERS LP
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DIADEMA PARTNERS LP

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

Portfolio value
$791M
Positions
149
Quarter ended
June 30, 2026
Filed
August 14, 2026

Reported portfolio value by quarter (7 quarters reported)

$791M $233M
Q4 24 Q2 25 Q4 25 Q2 26

$233M in Q4 2024 → $791M 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
Viking Therapeutics Inc Call 6.0% Added 85% 1,220,800 $47.6M
Abivax Sa Call 5.9% Added 249% 349,200 $46.5M
Bristol-myers Squibb Co Call 4.4% New 600,000 $34.6M
Abivax Sa Put 4.3% Added 152% 252,400 $33.6M
UT United Therapeutics Corp Del 3.6% Added 94% 52,989 $28.7M
Revolution Medicines Inc 3.3% Added 72% 139,218 $26.1M
Abivax Sa 2.7% Added 115% 163,644 $21.6M
Cogent Biosciences Inc 2.4% Added 53% 493,664 $19.1M
Bristol-myers Squibb Co Put 2.4% New 330,600 $19M
Bridgebio Pharma Inc 2.4% Unchanged 250,000 $18.6M
Corcept Therapeutics Inc Call 2.3% Added 30% 206,300 $17.9M
Biomarin Pharmaceutical Inc 2.3% Added 111% 312,846 $17.9M
Viking Therapeutics Inc 2.2% Trimmed 16% 441,808 $17.2M
Kymera Therapeutics Inc Call 2.2% New 149,700 $17.2M
Novartis Ag Put 2.0% New 100,000 $15.7M
UN Uniqure Nv Put 1.7% Unchanged 299,000 $13.8M
Viking Therapeutics Inc Put 1.7% New 350,500 $13.7M
Biogen Inc Call 1.6% New 60,000 $13M
Capricor Therapeutics Inc Put 1.6% Trimmed 14% 534,400 $12.9M
Summit Therapeutics Inc Call 1.6% New 860,200 $12.5M
EL Eli Lilly & Co Put 1.5% New 10,000 $12M
Incyte Corp Put 1.5% Unchanged 105,400 $11.9M
Edgewise Therapeutics Inc 1.4% New 272,214 $11.1M
UN Uniqure Nv Call 1.4% Trimmed 5.8% 235,400 $10.8M
Biontech Se Call 1.2% New 100,000 $9.31M
Kodiak Sciences Inc 1.1% Added 13% 218,117 $8.5M
IH Immunocore Hldgs PLC 1.0% Added 32% 254,863 $8.09M
Capricor Therapeutics Inc Call 1.0% Unchanged 329,300 $7.93M
Novartis Ag Call 1.0% New 50,000 $7.84M
Replimune Group Inc Call 1.0% Added 239% 696,300 $7.71M
Kodiak Sciences Inc Call 1.0% Added 98250% 196,700 $7.66M
4M 4d Molecular Therapeutics In 1.0% New 571,107 $7.6M
Moderna Inc Put 0.9% Trimmed 37% 100,000 $7M
Hims & Hers Health Inc Call 0.9% New 200,000 $6.93M
Arcus Biosciences Inc 0.9% Trimmed 6.0% 223,810 $6.9M
Hims & Hers Health Inc Put 0.8% New 193,700 $6.72M
CP Corbus Pharmaceuticals Hldgs Call 0.8% Added 450% 633,800 $5.95M
SL Sellas Life Sciences Group I Call 0.7% Added 33% 400,000 $5.9M
Kodiak Sciences Inc Put 0.7% Trimmed 41% 146,900 $5.72M
Alumis Inc Call 0.7% Added 100% 200,000 $5.63M
Royalty Pharma PLC Call 0.7% New 100,000 $5.61M
Johnson & Johnson 0.7% Trimmed 59% 22,000 $5.59M
Replimune Group Inc Put 0.7% Added 9.3% 502,500 $5.56M
Bioage Labs Inc Call 0.6% New 200,100 $4.9M
NA Novo-nordisk A S 0.6% Added 586% 100,000 $4.81M
Biohaven Ltd Call 0.6% Unchanged 317,000 $4.72M
Tenax Therapeutics Inc Call 0.6% New 307,000 $4.47M
Corvus Pharmaceuticals Inc 0.6% Added 20% 294,811 $4.4M
Relay Therapeutics Inc 0.5% New 230,677 $4.32M
Tg Therapeutics Inc Call 0.5% New 75,700 $4.16M
Monte Rosa Therapeutics Inc Call 0.5% New 170,100 $4.12M
Arcus Biosciences Inc Call 0.5% New 124,000 $3.82M
Unicycive Therapeutics Inc Call 0.5% New 792,600 $3.72M
Zymeworks Inc 0.5% Unchanged 142,132 $3.72M
Amgen Inc Call 0.5% New 10,000 $3.62M
Bioage Labs Inc 0.5% Added 144% 146,334 $3.59M
Taysha Gene Therapies Inc 0.4% New 522,619 $3.56M
Intellia Therapeutics Inc Call 0.4% Unchanged 200,000 $3.38M
CT Celldex Therapeutics Inc New Put 0.4% New 86,000 $3.2M
Vaxcyte Inc Call 0.4% Unchanged 53,100 $3.09M

Showing top 60 of 149 positions.

Timeline of changes

What changed each quarter, from the filings' own share counts. Largest moves first; most recent 6 quarters.

Q2 2026

quarter ended June 30, 2026 · filed August 14, 2026

Company Action Shares changed Value of change % of portfolio
Vertex Pharmaceuticals Inc Exited −93,100 −$41.6M —
Bristol-myers Squibb Co New +600,000 +$34.6M 4.4%
Abivax Sa Added +249,200 +$33.2M 5.9%
Liquidia Corporation Exited −662,100 −$25M —
UT United Therapeutics Corp Del Exited −40,200 −$23.8M —
Viking Therapeutics Inc Added +561,600 +$21.9M 6.0%
Abivax Sa Added +152,400 +$20.3M 4.3%
Bristol-myers Squibb Co New +330,600 +$19M 2.4%
Apogee Therapeutics Inc Exited −222,500 −$18.7M —
Kymera Therapeutics Inc New +149,700 +$17.2M 2.2%

Showing the 10 largest of 190 changes.

Q1 2026

quarter ended March 31, 2026 · filed May 15, 2026

Company Action Shares changed Value of change % of portfolio
SS SPDR Series Trust Exited −250,000 −$30.5M —
PP Praxis Precision Medicines I Exited −100,600 −$29.7M —
Liquidia Corporation New +662,100 +$25M 4.3%
UT United Therapeutics Corp Del New +40,200 +$23.8M 4.1%
Avidity Biosciences Inc Exited −328,000 −$23.7M —
Bridgebio Pharma Inc New +250,000 +$18.6M 3.2%
IQ Invesco Qqq Tr Exited −30,000 −$18.4M —
Jazz Pharmaceuticals PLC Exited −105,300 −$17.9M —
Bridgebio Pharma Inc Exited −200,000 −$15.3M —
Structure Therapeutics Inc Exited −191,700 −$13.3M —

Showing the 10 largest of 220 changes.

Q4 2025

quarter ended December 31, 2025 · filed February 17, 2026

Company Action Shares changed Value of change % of portfolio
Vertex Pharmaceuticals Inc New +88,300 +$40M 6.9%
SS SPDR Series Trust New +250,000 +$30.5M 5.3%
IQ Invesco Qqq Tr New +30,000 +$18.4M 3.2%
Regeneron Pharmaceuticals Trimmed −19,860 −$15.3M 1.4%
Bridgebio Pharma Inc New +200,000 +$15.3M 2.6%
Johnson & Johnson New +66,444 +$13.8M 2.4%
Structure Therapeutics Inc New +191,700 +$13.3M 2.3%
SS SPDR S&P 500 ETF Tr Exited −20,000 −$13.3M —
Viking Therapeutics Inc New +316,700 +$11.1M 1.9%
Johnson & Johnson New +50,000 +$10.3M 1.8%

Showing the 10 largest of 200 changes.

Q3 2025

quarter ended September 30, 2025 · filed November 14, 2025

Company Action Shares changed Value of change % of portfolio
UN Uniqure Nv New +300,000 +$17.5M 4.5%
Amgen Inc Exited −62,100 −$17.3M —
Amgen Inc Exited −52,100 −$14.5M —
Regeneron Pharmaceuticals Added +24,553 +$13.8M 4.3%
SS SPDR S&P 500 ETF Tr New +20,000 +$13.3M 3.4%
EL Eli Lilly & Co Exited −14,816 −$11.5M —
Tg Therapeutics Inc Trimmed −310,700 −$11.2M 0.6%
Jazz Pharmaceuticals PLC Trimmed −81,333 −$10.7M 0.8%
Viking Therapeutics Inc New +405,100 +$10.6M 2.7%
Avidity Biosciences Inc New +200,100 +$8.72M 2.2%

Showing the 10 largest of 152 changes.

Q2 2025

quarter ended June 30, 2025 · filed August 14, 2025

Company Action Shares changed Value of change % of portfolio
Amgen Inc Exited −103,300 −$32.2M —
Pfizer Inc Trimmed −700,000 −$17M 1.5%
Soleno Therapeutics Inc Added +191,150 +$16M 7.3%
Soleno Therapeutics Inc Exited −219,400 −$15.7M —
Soleno Therapeutics Inc Exited −217,000 −$15.5M —
Amgen Inc New +52,100 +$14.5M 4.4%
Regeneron Pharmaceuticals Trimmed −24,221 −$12.7M 0.9%
Regeneron Pharmaceuticals Exited −20,000 −$12.7M —
NA Novo-nordisk A S Exited −124,600 −$8.65M —
SS SPDR Series Trust New +100,000 +$8.29M 2.5%

Showing the 10 largest of 119 changes.

Q1 2025

quarter ended March 31, 2025 · filed May 15, 2025

Company Action Shares changed Value of change % of portfolio
Amgen Inc New +103,300 +$32.2M 8.4%
Vertex Pharmaceuticals Inc Exited −57,400 −$23.1M —
Pfizer Inc New +900,000 +$22.8M 6.0%
Regeneron Pharmaceuticals New +29,828 +$18.9M 4.9%
SS SPDR Ser Tr Exited −200,000 −$18M —
Corcept Therapeutics Inc New +150,200 +$17.2M 4.5%
EL Eli Lilly & Co New +20,700 +$17.1M 4.5%
Amgen Inc New +52,100 +$16.2M 4.2%
EL Eli Lilly & Co New +19,302 +$15.9M 4.2%
Regeneron Pharmaceuticals New +20,000 +$12.7M 3.3%

Showing the 10 largest of 162 changes.

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