Vault-13

ACORN CAPITAL ADVISORS, LLC

NEW YORK, NY · CIK 2054410 · 13F filing filed 2026-08-14

No investment adviser registration (Form ADV) found for this filer. It may be a parent company whose subsidiaries are the registered advisers, a bank or insurer, or a manager based outside the US.

$366.5m reported value +4.2% vs Q1 2026
20positions
90.2%in top 10
1 new 5 added 3 reduced 3 sold out vs Q1 2026

Holdings, Q2 2026

The small lines show how much was held over the last 4 quarters (adjusted for stock splits).

#SecurityTickerShares Value% of portfolioChangeShares change
1 CG ONCOLOGY INC COM CGON CGON 1,131,500 $80.4m21.94% 21.94% AddedShares held: Q3 2025 1.1m, Q4 2025 1.1m, Q1 2026 1.1m, Q2 2026 1.1m +999 +999 0.1%
2 UROGEN PHARMA LTD COM URGN URGN 1,673,420 $61.6m16.80% 16.80% UnchangedShares held: Q3 2025 1.3m, Q4 2025 1.4m, Q1 2026 1.7m, Q2 2026 1.7m
3 TREVI THERAPEUTICS INC COM TRVI TRVI 2,144,844 $40.0m10.92% 10.92% UnchangedShares held: Q3 2025 2.1m, Q4 2025 2.1m, Q1 2026 2.1m, Q2 2026 2.1m
4 CANDEL THERAPEUTICS INC COM CADL CADL 3,497,948 $36.0m9.83% 9.83% UnchangedShares held: Q3 2025 2.6m, Q4 2025 2.6m, Q1 2026 3.5m, Q2 2026 3.5m
5 PUMA BIOTECHNOLOGY INC COM PBYI PBYI 4,131,299 $33.5m9.14% 9.14% UnchangedShares held: Q3 2025 4.1m, Q4 2025 4.1m, Q1 2026 4.1m, Q2 2026 4.1m
6 JADE BIOSCIENCES INC COM NEW JBIO JBIO 986,760 $21.9m5.98% 5.98% AddedShares held: Q3 2025 0, Q4 2025 0, Q1 2026 786.8k, Q2 2026 986.8k +200.0k +200,000 25.4%
7 BICARA THERAPEUTICS INC COM BCAX BCAX 643,381 $19.1m5.21% 5.21% ReducedShares held: Q3 2025 643.4k, Q4 2025 643.4k, Q1 2026 643.4k, Q2 2026 643.4k -1 -1 0.0%
8 KARYOPHARM THERAPEUTICS INC COM NEW KPTI KPTI 1,518,113 $14.8m4.05% 4.05% AddedShares held: Q3 2025 0, Q4 2025 0, Q1 2026 287.8k, Q2 2026 1.5m +1.2m +1,230,287 427.4%
9 ONKURE THERAPEUTICS INC COM CL A OKUR OKUR 2,839,674 $12.9m3.53% 3.53% UnchangedShares held: Q3 2025 2.8m, Q4 2025 2.8m, Q1 2026 2.8m, Q2 2026 2.8m
10 CYBIN INC COM NEW COM NEW 1,540,266 $10.2m2.78% 2.78% UnchangedShares held: Q3 2025 734.4k, Q4 2025 1.6m, Q1 2026 1.5m, Q2 2026 1.5m
11 PROTARA THERAPEUTICS INC COM STK TARA TARA 1,752,115 $6.7m1.83% 1.83% UnchangedShares held: Q3 2025 1.8m, Q4 2025 1.8m, Q1 2026 1.8m, Q2 2026 1.8m
12 AURA BIOSCIENCES INC COM AURA AURA 929,077 $6.6m1.80% 1.80% AddedShares held: Q3 2025 595.7k, Q4 2025 595.7k, Q1 2026 595.7k, Q2 2026 929.1k +333.3k +333,333 56.0%
13 LEONABIO INC COM LONA LONA 634,539 $5.8m1.59% 1.59% UnchangedShares held: Q3 2025 0, Q4 2025 501.7k, Q1 2026 634.5k, Q2 2026 634.5k
14 VERASTEM INC COM NEW VSTM VSTM 1,469,153 $5.6m1.53% 1.53% UnchangedShares held: Q3 2025 779.5k, Q4 2025 1.5m, Q1 2026 1.5m, Q2 2026 1.5m
15 AADI BIOSCIENCE INC COM WHWK WHWK 1,139,363 $5.2m1.42% 1.42% UnchangedShares held: Q3 2025 1.1m, Q4 2025 1.1m, Q1 2026 1.1m, Q2 2026 1.1m
16 Q32 BIO INC COM QTTB QTTB 216,171 $2.8m0.75% 0.75% ReducedShares held: Q3 2025 803.4k, Q4 2025 493.4k, Q1 2026 315.1k, Q2 2026 216.2k -98.9k -98,881 -31.4%
17 ENGENE THERAPEUTICS INC COM ENGN ENGN 1,271,257 $2.2m0.60% 0.60% NewShares held: Q3 2025 0, Q4 2025 0, Q1 2026 0, Q2 2026 1.3m
18 JASPER THERAPEUTICS INC COM NEW JSPR JSPR 1,438,159 $604.0k0.16% 0.16% AddedShares held: Q3 2025 1.4m, Q4 2025 1.8m, Q1 2026 1.4m, Q2 2026 1.4m +26.7k +26,667 1.9%
19 BIOATLA INC COM BCAB BCAB 108,126 $447.6k0.12% 0.12% ReducedShares held: Q3 2025 4.8m, Q4 2025 4.8m, Q1 2026 5.4m, Q2 2026 108.1k -5.3m -5,298,219 -98.0%
20 VYNE THERAPEUTICS INC COM COM 1,425 $9260.00% 0.00% UnchangedShares held: Q3 2025 586.6k, Q4 2025 1.4k, Q1 2026 1.4k, Q2 2026 1.4k

Sold out since Q1 2026

SecurityTickerShares held beforeValue then
TERNS PHARMACEUTICALS INC 1,746,264 $92.1m1.7m shares
CARDIFF ONCOLOGY INC CRDF CRDF 1,762,084 $2.9m1.8m shares
X4 PHARMACEUTICALS INC 234,039 $966.6k234.0k shares