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Diadema Partners LP

CIK:0002026172
Investment Adviser
$144M AUM
95 holdings
Morristown, NJ, USA
Founded:2024
5 employees
Latest filing:Jun 30, 2025

Diadema Partners LP is a newly established investment adviser firm headquartered in Morristown, New Jersey. Founded in March 2024 as a Delaware limited partnership, it is primarily owned and led by Chief Investment Officer Timothy Beau Bassett. The firm provides investment advisory and portfolio management services primarily for pooled investment vehicles and institutional clients, managing assets for 7 clients with 5 financial advisors. Diadema serves businesses and investment vehicles and employs tailored portfolio management strategies focused on long-term growth and personalized client objectives.

Investment Strategy

Diadema Partners LP employs custom portfolio management strategies for institutional clients, pooled investment vehicles, and businesses aimed at long-term capital appreciation. The firm is focused on actively managing diversified portfolios, with significant allocations to healthcare and biotech equities, as shown by top positions in companies like Vertex Pharmaceuticals, Amgen, and Eli Lilly. The advisory team uses a combination of fundamental and quantitative research to identify opportunities within select sectors and employs both long and short equity strategies. Compensation structures may include fees based on assets under management and performance relative to a benchmark, allowing for better alignment with client financial objectives.

Top Buys
S
SLNOSOLENO THERAPEUTICS INC
+$17.2M
A
AMGNAMGEN INC
+$14.5M
B
BMRNBIOMARIN PHARMACEUTICAL INC
+$6.9M
T
TGTXTG THERAPEUTICS INC
+$5.2M
N
NBIXNEUROCRINE BIOSCIENCES INC
+$4.9M
Top Sells
R
REGNREGENERON PHARMACEUTICALS
-$16.0M
L
LLYELI LILLY & CO
-$4.4M
A
ARGXARGENX SE
-$3.9M
A
ALNYALNYLAM PHARMACEUTICALS INC
-$3.5M
R
RYTMRHYTHM PHARMACEUTICALS INC
-$2.6M

Top Holdings

S
SLNOSOLENO THERAPEUTICS INC
+7.3%$23.8M
A
AMGNAMGEN INC
+4.4%$14.5M
T
TGTXTG THERAPEUTICS INC
+4.1%$13.4M
N
NBIXNEUROCRINE BIOSCIENCES INC
+3.6%$11.8M
L
LLYELI LILLY & CO
+3.5%$11.5M

Equity Positions (45)

TickerSecurityWeightMarket ValueSharesAvg CostPriceChange (QoQ)
S
SLNO
SOLENO THERAPEUTICS INC7.25%$23.8M284,152$73.03$83.78+$17.2M
A
AMGN
AMGEN INC4.43%$14.5M52,100$279.21$279.21+$14.5M
T
TGTX
TG THERAPEUTICS INC4.07%$13.4M371,448$36.71$35.99+$5.2M
N
NBIX
NEUROCRINE BIOSCIENCES INC3.60%$11.8M94,042$115.70$125.69+$4.9M
L
LLY
ELI LILLY & CO3.52%$11.5M14,816$825.91$779.53-$4.4M

Options Positions (10)

TickerSecurityActionTypeNotional ValueContractsUnderlying PricePremium PaidChange (Contracts)Change (Value)
A
AMGN
AMGEN INCBought
Put
$17.3M621$279.21$306.34+100+$1.1M
L
LLY
ELI LILLY & CO
Put
$16.1M207$779.53$825.910-$960.1K
X
XBI
SPDR SERIES TRUSTNew
Call
$8.3M1,000$82.93$82.93+1,000+$8.3M
R
RARE
ULTRAGENYX PHARMACEUTICAL INBought
Call
$7.9M2,170$36.36$37.69+1,000+$3.7M
L
LLY
ELI LILLY & CO
Call
$7.8M100$779.53$825.910-$463.8K

Industry Allocation

PHARMACEUTICAL PREPARATIONS
+60.1%
BIOLOGICAL PRODUCTS, (NO DIAGNOSTIC SUBSTANCES)
+29.9%
ELECTROMEDICAL & ELECTROTHERAPEUTIC APPARATUS
+7.3%
SERVICES-MEDICAL LABORATORIES
+0.5%
MEDICINAL CHEMICALS & BOTANICAL PRODUCTS
+0.3%