ALETHEA CAPITAL MANAGEMENT, LLC

Other Low signal healthcare specialist (98%) CIK 1549408
League rank
#22
in Other · #210 overall
Long book
$186.1M
Q1 2026
Positions
13
Top-10 weight
100%
concentration
Last quarter
+29.2%
SPY +14.8%
Turnover
38%
of book per quarter

Strategy in plain words

auto-generated from filings

ALETHEA CAPITAL MANAGEMENT, LLC is an institutional manager, specialised in healthcare (98% of the long book), running a $186.1M US long book across 13 positions.

The portfolio is extremely concentrated — the top 10 positions are almost the whole book. The portfolio is actively managed, with meaningful quarterly turnover. Current anchor positions: AXSOME THERAPEUTICS INC, SS SPDR BB 1-3M T-BILL ETF, KURA ONCOLOGY INC, ISHARES 20+ YEAR TREASURY BD, TEMPUS AI INC-CL A.

Over the last 9 quarters its long book ran on average 4.6pp per quarter ahead of the S&P 500, beating the index in 5 of 9 quarters. Signal value of individual moves is limited — treat changes as weak evidence.

Implied long-book return vs S&P 500

methodology: positions priced quarterly, no shorts/options
Fund long book S&P 500
Q1 2024
+0.7%
Q2 2024
+7.8%
Q3 2024
-8.9%
Q4 2024
+22.0%
Q1 2025
-6.2%
Q2 2025
+12.9%
Q3 2025
+32.0%
Q4 2025
-7.5%
Q1 2026
+29.2%

Sector allocation

Healthcare
98%
Technology
1%
Financials
0%
Other
0%

Long book by quarter

$123.1M
Q1 2024
$131.8M
Q2 2024
$138.5M
Q3 2024
$116.8M
Q4 2024
$134.0M
Q1 2025
$132.1M
Q2 2025
$155.4M
Q3 2025
$205.9M
Q4 2025
$186.1M
Q1 2026

What does ALETHEA CAPITAL own?

Q1 2026 13F
CompanySectorSharesValue% of bookChange
AXSM AXSOME THERAPEUTICS INCHealthcare649.1K$109.7M58.9%-2.9%
KURA KURA ONCOLOGY INCHealthcare1.5M$12.4M6.7%+7.5%
TEM TEMPUS AI INC-CL ATechnology31.6K$1.4M0.8%Held
RNA ATRIUM THERAPEUTICS INCHealthcare43.8K$585K0.3%New
WFC WELLS FARGO & COFinancials6.0K$480K0.3%New
GPK GRAPHIC PACKAGING HOLDING COOther16.3K$162K0.1%New
IMRX IMMUNEERING CORP - CLASS AHealthcare22.9K$121K0.1%Held
UDM TASEKO MINES LTD10.0K$65K0.0%Held
LPRO OPEN LENDING CORPFinancials12.0K$15K0.0%Held

13F filing history

PeriodFormFiledEntriesReported valueFlagsSource
Q1 202613F-HRMay 13, 202614$194.9M canonicalSEC ↗
Q4 202513F-HRFeb 11, 202613$205.9M canonicalSEC ↗
Q3 202513F-HRNov 14, 202534$155.7M canonicalSEC ↗
Q2 202513F-HRAug 14, 202531$132.1M canonicalSEC ↗
Q1 202513F-HRMay 14, 202511$134.0M canonicalSEC ↗
Q4 202413F-HRFeb 14, 202530$116.8M canonicalSEC ↗
Q3 202413F-HRNov 14, 202430$138.5M canonicalSEC ↗
Q2 202413F-HRAug 15, 202431$131.8M canonicalSEC ↗
Q1 202413F-HRMay 16, 202432$123.1M canonicalSEC ↗