Diadema Partners LP Portfolio Holdings

Diadema Partners LP

  • $391 Billion
  • Q3 2025

Diadema Partners LP has filed its 13F form on November 14, 2025 for Q3 2025 where it was disclosed a total value porftolio of $391 Billion distributed in 130 stocks.

Among their holdings, we can observe that their the top five positions include companies like: Regeneron Pharmaceuticals, Inc. with a value of $17B, Soleno Therapeutics Inc with a value of $12B, Biomarin Pharmaceutical Inc with a value of $11.5B, Vaxcyte, Inc. with a value of $7.86B, and Indivior PLC with a value of $6.13B.

Examining the 13F form we can see an increase of $62.8B in the current position value, from $328B to 391B.

Diadema Partners LP is based out at Morristown, NJ

Below you can find more details about Diadema Partners LP portfolio as well as his latest detailed transactions.

Portfolio value $391 Billion
Healthcare: $313 Billion
ETFs: $13.3 Billion

Stock Holdings Table

Stock Market Cap. Holding Value (Reported) # of Shares. Last Trade Trade History
$74.3B
$17 Billion 4.34% of portfolio
30,160
Q3 2025 Added 437.9%
Soleno Therapeutics Inc
-
$12 Billion 3.07% of portfolio
-
Q3 2025 Reduced 37.59%
$10.2B
$11.5 Billion 2.95% of portfolio
212,877
Q3 2025 Added 10.37%
$2.87B
$7.86 Billion 2.01% of portfolio
218,285
Q3 2025 Added 10.09%
Indivior PLC
-
$6.13 Billion 1.57% of portfolio
-
Q3 2025 New
$99.5B
$5.86 Billion 1.5% of portfolio
130,000
Q3 2025 New
$11.4B
$5.48 Billion 1.4% of portfolio
27,572
Q3 2025 New
$13.9B
$5.3 Billion 1.36% of portfolio
37,754
Q3 2025 Reduced 59.85%
$3.05B
$5.09 Billion 1.3% of portfolio
193,689
Q3 2025 Reduced 1.91%
$55.3B
$4.56 Billion 1.17% of portfolio
10,000
Q3 2025 New
$1.58B
$4.52 Billion 1.16% of portfolio
124,384
Q3 2025 Added 19.16%
Nektar Therapeutics
-
$4.27 Billion 1.09% of portfolio
-
Q3 2025 New
Abivax Sa
-
$3.51 Billion 0.9% of portfolio
-
Q3 2025 New
$4.15B
$3.4 Billion 0.87% of portfolio
51,185
Q3 2025 Reduced 32.81%
$8.84B
$3.05 Billion 0.78% of portfolio
23,140
Q3 2025 Reduced 77.85%
$1.46B
$2.88 Billion 0.74% of portfolio
31,400
Q3 2025 New
Apogee Therapeutics Inc
-
$2.55 Billion 0.65% of portfolio
-
Q3 2025 Added 507.74%
$846M
$2.43 Billion 0.62% of portfolio
323,159
Q3 2025 Added 24.36%
$4.5B
$2.19 Billion 0.56% of portfolio
60,748
Q3 2025 Reduced 83.65%
$908M
$2.2 Billion 0.56% of portfolio
400,000
Q3 2025 New
$4.77B
$2.16 Billion 0.55% of portfolio
72,079
Q3 2025 New
$14.3B
$1.82 Billion 0.46% of portfolio
120,000
Q3 2025 New
$553M
$1.8 Billion 0.46% of portfolio
90,000
Q3 2025 Reduced 40.0%
$1.09B
$1.52 Billion 0.39% of portfolio
58,926
Q2 2025 Added 51.38%
$2.21B
$1.4 Billion 0.36% of portfolio
97,813
Q3 2025 Reduced 75.06%
$2.01B
$1.38 Billion 0.35% of portfolio
50,000
Q3 2025 New
$109B
$1.39 Billion 0.35% of portfolio
25,000
Q3 2025 New
$743M
$1.36 Billion 0.35% of portfolio
100,000
Q3 2025 New
$3.69B
$1.31 Billion 0.33% of portfolio
30,000
Q3 2025 New
Vistagen Therapeutics Inc
-
$1.24 Billion 0.32% of portfolio
-
Q3 2025 Reduced 13.4%
Mind Medicine Mindmed Inc
-
$1.25 Billion 0.32% of portfolio
-
Q3 2025 Reduced 33.21%
$1.3B
$1.14 Billion 0.29% of portfolio
212,475
Q3 2025 New
$2.41B
$1.07 Billion 0.27% of portfolio
22,348
Q3 2025 New
$2.38B
$985 Million 0.25% of portfolio
50,000
Q3 2025 New
$10.2M
$924 Million 0.24% of portfolio
2,506,921
Q3 2025 Reduced 8.35%
$193M
$900 Million 0.23% of portfolio
48,811
Q3 2025 New
$661M
$785 Million 0.2% of portfolio
85,830
Q3 2025 Reduced 53.81%
$986M
$608 Million 0.16% of portfolio
74,753
Q3 2025 New
$255M
$591 Million 0.15% of portfolio
185,286
Q3 2025 New
$56.3M
$511 Million 0.13% of portfolio
315,519
Q3 2025 New
Aytu Biopharma Inc
-
$513 Million 0.13% of portfolio
-
Q3 2025 New
$9.69B
$517 Million 0.13% of portfolio
20,000
Q3 2025 New
$35M
$429 Million 0.11% of portfolio
300,000
Q3 2025 New
$102M
$403 Million 0.1% of portfolio
136,023
Q3 2025 Reduced 48.87%
$156M
$336 Million 0.09% of portfolio
157,694
Q2 2025 Reduced 24.07%
$158M
$333 Million 0.09% of portfolio
150,000
Q3 2025 New
Pelthos Therapeutics Inc
-
$294 Million 0.08% of portfolio
-
Q3 2025 New
$109M
$274 Million 0.07% of portfolio
136,488
Q3 2025 Reduced 80.56%
$2.32B
$276 Million 0.07% of portfolio
9,189
Q3 2025 Reduced 82.98%

Summary

  • Portfolio
  • No. of Stocks 130
  • Current Value $391 Billion
  • Prior Value $328 Billion
  • Filing
  • Period Q3 2025
  • Filing Date November 14, 2025
  • Form Type 13F-HR
  • Activity in Q3 2025
  • New Purchases 33 stocks
  • Additional Purchases 6 stocks
  • Sold out of 0 stocks
  • Reduced holdings in 16 stocks
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