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Spruce Street Capital 13F Portfolio

Portfolio Manager
Spruce Street Capital LP
Performance
+20.93% (2026 Q2)
AUM (13F)
$509.68M
# of Holdings
30
Performance Rank
N/A
Allocation (Top 20)
91.07%
Latest filing
Q2 2026

Spruce Street Capital LP Holdings Map

Top 28 Spruce Street Capital LP Holdings

Top 10 holdings

StockCompany% Port.SharesValueActivityOwnershipAvg. CostDate
KNSA
KINIKSA PHARMACEUTICALS INTL
11.52%918.1K$58.7M
+20.63%(+157.01K)
2025-Q2: 0 shares2025-Q3: 0 shares2025-Q4: 435.0K shares2026-Q1: 761.1K shares2026-Q2: 918.1K shares
$44.22(+77.98%)
2026-06-30
RLAY
RELAY THERAPEUTICS INC
10.95%2.98M$55.8M
+0.00%(+0)
2025-Q2: 0 shares2025-Q3: 0 shares2025-Q4: 2.98M shares2026-Q1: 2.98M shares2026-Q2: 2.98M shares
$6.84(+191.37%)
2026-06-30
LBRX
LB PHARMACEUTICALS INC
8.76%1.38M$44.7M
+0.00%(+0)
2025-Q2: 0 shares2025-Q3: 0 shares2025-Q4: 1.01M shares2026-Q1: 1.38M shares2026-Q2: 1.38M shares
$20.22(+118.95%)
2026-06-30
RLMD
RELMADA THERAPEUTICS INC
8.68%6.39M$44.2M
+2.06%(+129.21K)
2025-Q2: 0 shares2025-Q3: 0 shares2025-Q4: 4.09M shares2026-Q1: 6.26M shares2026-Q2: 6.39M shares
$4.33(+11.83%)
2026-06-30
ANRO
ALTO NEUROSCIENCE INC
7.01%1.35M$35.7M
+2.10%(+27.84K)
2025-Q2: 0 shares2025-Q3: 0 shares2025-Q4: 222.8K shares2026-Q1: 1.33M shares2026-Q2: 1.35M shares
$18.68(+74.52%)
2026-06-30
DNTH
DIANTHUS THERAPEUTICS INC
6.79%354.8K$34.6M
-4.94%(-18.46K)
2025-Q2: 0 shares2025-Q3: 0 shares2025-Q4: 297.4K shares2026-Q1: 373.3K shares2026-Q2: 354.8K shares
$44.81(+146.87%)
2026-06-30
ALKS
ALKERMES PLC
5.59%543.9K$28.5M
+71.03%(+225.88K)
2025-Q2: 0 shares2025-Q3: 0 shares2025-Q4: 0 shares2026-Q1: 318.0K shares2026-Q2: 543.9K shares
$35.66(+38.67%)
2026-06-30
SVRA
SAVARA INC
4.17%3.45M$21.3M
+2.05%(+69.40K)
2025-Q2: 0 shares2025-Q3: 0 shares2025-Q4: 2.41M shares2026-Q1: 3.38M shares2026-Q2: 3.45M shares
$5.08(+6.25%)
2026-06-30
PCVX
VAXCYTE INC
3.49%306.0K$17.8M
+24.56%(+60.34K)
2025-Q2: 0 shares2025-Q3: 0 shares2025-Q4: 400.4K shares2026-Q1: 245.7K shares2026-Q2: 306.0K shares
$44.13(+35.67%)
2026-06-30
ELVN
ENLIVEN THERAPEUTICS INC
3.28%329.0K$16.7M
+0.00%(+0)
2025-Q2: 0 shares2025-Q3: 0 shares2025-Q4: 446.1K shares2026-Q1: 329.0K shares2026-Q2: 329.0K shares
$17.93(+222.05%)
2026-06-30

About Spruce Street Capital LPโ€™s portfolio

Spruce Street Capital LP reports $509.68M in US-listed equity holdings across 30 positions in its most recent 13F filing. Its largest disclosed positions are KNSA (11.5%), RLAY (10.9%) and LBRX (8.8%). The top 20 holdings account for 91.07% of reported assets. Its disclosed equity book has returned +65.64% cumulatively over 2 quarters. Figures reflect the Q2 2026 filing.

Portfolio concentration

Portfolio concentration
KNSA โ€” 11.7% ($58.71M)RLAY โ€” 11.1% ($55.83M)LBRX โ€” 8.9% ($44.66M)RLMD โ€” 8.8% ($44.23M)ANRO โ€” 7.1% ($35.71M)DNTH โ€” 6.9% ($34.59M)ALKS โ€” 5.7% ($28.50M)SVRA โ€” 4.2% ($21.27M)PCVX โ€” 3.5% ($17.79M)ELVN โ€” 3.3% ($16.70M)Other โ€” 28.8% ($144.53M)
71%in top 10
  • KNSA11.7%
  • RLAY11.1%
  • LBRX8.9%
  • RLMD8.8%
  • ANRO7.1%
  • DNTH6.9%
  • ALKS5.7%
  • SVRA4.2%
  • PCVX3.5%
  • ELVN3.3%
  • Other28.8%

Portfolio changes

What the fund actually did

Every reported change this quarter, grouped by direction. The signal is in the rotation, not any single trade.

New buys
3
IFRXINFLARX NV2.4%
ZLABZAI LAB LTD1.0%
ACHVACHIEVE LIFE SCIENCE INC0.9%
Added to
8
ALKSALKERMES PLC+71.0%
KNSAKINIKSA PHARMACEUTICALS INTL+20.6%
CATXPERSPECTIVE THERAPEUTICS INC+40.6%
PCVXVAXCYTE INC+24.6%
+4 more
Trimmed
1
DNTHDIANTHUS THERAPEUTICS INC-4.9%

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Source filings

Holdings on this page are parsed from Spruce Street Capital LPโ€™s Form 13F filings with the U.S. Securities and Exchange Commission (CIK 2050194). View Spruce Street Capital LPโ€™s 13F filings on SEC

More 13F analyses

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