Spruce Street Capital LP

Fundamental concentrated ★Signal healthcare specialist (99%) CIK 2050194
League rank
#355
in Fundamental concentrated · #828 overall
Long book
$415.9M
Q1 2026
Positions
28
Top-10 weight
66%
concentration
Last quarter
+18.0%
SPY +14.8%
Turnover
38%
of book per quarter

Strategy in plain words

auto-generated from filings

Spruce Street Capital LP is a concentrated fundamental stock-picker, specialised in healthcare (99% of the long book), running a $415.9M US long book across 28 positions.

The portfolio is concentrated: the top 10 names carry 66% of the portfolio. The portfolio is actively managed, with meaningful quarterly turnover. Current anchor positions: RELMADA THERAPEUTICS INC, KINIKSA PHARMACEUTICALS INTE, LB PHARMACEUTICALS INC, DIANTHUS THERAPEUTICS INC, RELAY THERAPEUTICS INC.

We rate its filings as signal-bearing: position changes reflect genuine views.

Implied long-book return vs S&P 500

methodology: positions priced quarterly, no shorts/options
Fund long book S&P 500
Q4 2025
+37.2%
Q1 2026
+18.0%

Sector allocation

Healthcare
94%
Other
5%
Financials
1%

Long book by quarter

$302.7M
Q4 2025
$415.9M
Q1 2026

What does Spruce Street own?

Q1 2026 13F
CompanySectorSharesValue% of bookChange
RLMD RELMADA THERAPEUTICS INCHealthcare6.3M$43.0M10.3%+53.3%
KNSA KINIKSA PHARMACEUTICALS INTEHealthcare761.1K$36.6M8.8%+75.0%
LBRX LB PHARMACEUTICALS INCHealthcare1.4M$33.6M8.1%+36.9%
DNTH DIANTHUS THERAPEUTICS INCHealthcare373.3K$31.3M7.5%+25.5%
RLAY RELAY THERAPEUTICS INCHealthcare3.0M$29.7M7.1%Held
ANRO ALTO NEUROSCIENCE INCHealthcare1.3M$29.1M7.0%+494.7%
SVRA SAVARA INCHealthcare3.4M$18.5M4.4%+40.3%
4XC1 KALVISTA PHARMACEUTICALS INC897.7K$18.1M4.3%+131.4%
PCVX VAXCYTE INCHealthcare245.7K$14.3M3.4%-38.6%
ELVN ENLIVEN THERAPEUTICS INCHealthcare329.0K$12.9M3.1%-26.2%
SRZN SURROZEN INCHealthcare432.0K$12.6M3.0%Held
ENTA ENANTA PHARMACEUTICALS INCHealthcare932.6K$11.8M2.8%+139.3%
ALKS ALKERMES PLCHealthcare318.0K$11.2M2.7%New
CATX PERSPECTIVE THERAPEUTICS INCHealthcare2.6M$11.0M2.6%New
NERV MINERVA NEUROSCIENCES INCHealthcare1.7M$10.0M2.4%Held
IPSC CENTURY THERAPEUTICS INCHealthcare4.1M$9.2M2.2%+185.5%
ALMS ALUMIS INCHealthcare392.6K$8.6M2.1%New
SABS SAB BIOTHERAPEUTICS INCHealthcare2.2M$8.4M2.0%Held
ERAS ERASCA INCHealthcare422.5K$6.8M1.6%-89.1%
IKT INHIBIKASE THERAPEUTICS INCHealthcare3.6M$6.0M1.4%Held
MAZE MAZE THERAPEUTICS INCHealthcare200.0K$6.0M1.4%New
ANTX AN2 THERAPEUTICS INCHealthcare1.7M$5.6M1.3%New
LXEO LEXEO THERAPEUTICS INCHealthcare928.6K$5.3M1.3%+430.6%
HLXC HELIX ACQUISITION CORP-CL AFinancials500.0K$5.1M1.2%New
ALEC ALECTOR INCHealthcare2.1M$4.5M1.1%+87.9%
LONA LEONABIO INCHealthcare393.7K$3.8M0.9%Held
CRVS CORVUS PHARMACEUTICALS INCHealthcare231.6K$3.4M0.8%New

13F filing history

PeriodFormFiledEntriesReported valueFlagsSource
Q1 202613F-HRMay 14, 202628$415.9M canonicalSEC ↗
Q4 202513F-HRFeb 13, 202627$302.7M canonicalSEC ↗