Stonepine Capital Management, LLC — 13F Holdings & Portfolio

CIK 1440771 · latest 13F-HR filed 2026-08-17

Stonepine Capital Management, LLC manages $177.3M in 13F-reported U.S. long-equity assets across 87 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are VSTM (7.22%), EOLS (6.23%), TENX (5.42%). Quarter over quarter (versus its 2026-06-30 filing) the fund opened 0 new positions, exited 10, added to 0, and trimmed 13.

AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.

Filer Information
Address
2900 NW CLEARWATER DRIVE
SUITE 100-11
BEND, OR 97703
Phone
(541) 647-5673
Filing Manager
Stonepine Capital Management, LLC
Bend, OR
Signatory
Jon M. Plexico
Managing Member
Loading holdings…
AUM

$177.3M

Long-equity book

Holdings

87

Distinct positions

Period

2026-06-30

Filed 2026-08-17

Q/Q Activity

+0 / −10 / ↑0 / ↓13

vs 2026-06-30

Firm Profile & Key People
Name Title / Status Ownership Type

Top Adds (vs prior quarter)

  • No increased positions.
Show all 0 →

Top Trims

  • AYTU BIOPHARMA INC-$7.7M -79.6%
  • AZITRA INC-$7.1M -88.9%
  • CNS PHARMACEUTICALS INC-$6.2M -96.9%
  • INHIBIKASE THERAPEUTICS INC-$1.6M -66.2%
  • CURIS INC-$1.4M -45.1%
Show all 13 →

New Positions

  • No new positions this quarter.
Show all 0 →

Exited Positions

  • SURROZEN INC$4.7M
  • ADIAL PHARMACEUTICALS INC$1.6M
  • IMAGENEBIO INC$539.0K
  • MILESTONE PHARMACEUTICALS IN$348.6K
  • VERRICA PHARMACEUTICALS INC$241.5K
Show all 10 →
All Holdings

Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).

# Issuer Symbol CUSIP Value Weight Shares Type
1 VERASTEM INC VSTM 92337C203 $12.8M 7.22% 3,349,627 SH
2 EVOLUS INC EOLS 30052C107 $11.0M 6.23% 1,590,162 SH
3 TENAX THERAPEUTICS INC TENX 88032L605 $9.6M 5.42% 660,000 SH
4 NEKTAR THERAPEUTICS NKTR 640268306 $8.4M 4.75% 120,654 SH
5 ADMA BIOLOGICS INC Call ADMA 000899104 $8.0M 4.48% 650,000 SH
6 ADMA BIOLOGICS INC ADMA 000899104 $6.2M 3.49% 740,000 SH
7 CAMP4 THERAPEUTICS CORP CAMP 13463J101 $6.1M 3.43% 1,389,622 SH
8 INSMED INC Call INSM 457669307 $5.6M 3.16% 40,000 SH
9 ELOXX PHARMACEUTICALS INC ELOX 29014R301 $5.5M 3.11% 397,160 SH
10 ULTRAGENYX PHARMACEUTICAL IN Call RARE 90400D108 $5.5M 3.10% 200,000 SH
11 KAZIA THERAPEUTICS LTD KZIA 48669G303 $4.9M 2.74% 345,179 SH
12 MEDTRONIC PLC Call MDT G5960L103 $4.4M 2.47% 50,000 SH
13 INDIVIOR PHARMACEUTICALS INC INDV 45579U109 $4.1M 2.31% 100,000 SH
14 CORBUS PHARMACEUTICALS HLDGS CRBP 21833P301 $4.0M 2.25% 425,000 SH
15 ABBOTT LABORATORIES Call ABT 002824100 $3.8M 2.14% 40,000 SH
16 SATELLOS BIOSCIENCE INC MSLE 80401L803 $3.7M 2.10% 491,624 SH
17 ZEVRA THERAPEUTICS INC ZVRA 488445206 $3.7M 2.09% 258,701 SH
18 ABEONA THERAPEUTICS INC ABEO 00289Y206 $3.4M 1.94% 557,284 SH
19 BOSTON SCIENTIFIC CORP Call BSX 101137107 $3.2M 1.83% 50,000 SH
20 EDESA BIOTECH INC EDSA 27966L306 $3.2M 1.80% 456,439 SH
21 EVOLUS INC Call EOLS 30052C107 $3.1M 1.78% 420,000 SH
22 BIOMARIN PHARMACEUTICAL INC Call BMRN 09061G101 $3.1M 1.76% 50,000 SH
23 CABALETTA BIO INC CABA 12674W109 $2.9M 1.61% 917,100 SH
24 AN2 THERAPEUTICS INC ANTX 037326105 $2.7M 1.51% 551,692 SH
25 XILIO THERAPEUTICS INC XLO 98422T209 $2.2M 1.22% 225,994 SH
26 ADICET BIO INC ACET 007002207 $2.1M 1.20% 245,518 SH
27 XERIS BIOPHARMA HOLDINGS INC Call XERS 98422E103 $2.1M 1.18% 280,000 SH
28 TELA BIO INC TELA 872381108 $2.0M 1.13% 2,662,427 SH
29 AYTU BIOPHARMA INC AYTU 054754858 $2.0M 1.11% 912,921 SH
30 CURIS INC CRIS 231269309 $1.7M 0.98% 3,312,185 SH
31 SPRUCE BIOSCIENCES INC SPRB 85209E208 $1.6M 0.88% 28,795 SH
32 HERON THERAPEUTICS INC Call HRTX 427746102 $1.5M 0.85% 1,000,000 SH
33 SI BONE INC Call SIBN 825704109 $1.5M 0.85% 100,000 SH
34 OKYO PHARMA LTD OKYO G6724L116 $1.3M 0.73% 862,996 SH
35 NEUMORA THERAPEUTICS INC. Call NMRA 640979100 $1.2M 0.71% 500,000 SH
36 PASITHEA THERAPEUTICS CORP KTTA 70261F202 $1.1M 0.64% 2,201,468 SH
37 SOL-GEL TECHNOLOGIES LTD SLGL M8694L137 $1.1M 0.61% 14,469 SH
38 PULMONX CORP LUNG 745848101 $1.1M 0.60% 815,436 SH
39 X4 PHARMACEUTICALS INC XFOR 98420X202 $1.1M 0.59% 224,989 SH
40 ARDELYX INC Call ARDX 039697107 $1.1M 0.59% 150,000 SH
41 DELCATH SYS INC Call DCTH 24661P807 $1.0M 0.56% 100,000 SH
42 IN8BIO INC INAB 45674E208 $980.4K 0.55% 695,287 SH
43 MOONLAKE IMMUNOTHERAPEUTICS MLTX 61559X104 $973.5K 0.55% 50,000 SH
44 QUOIN PHARMACEUTICALS LTD QNRX 74907L409 $965.5K 0.54% 199,486 SH
45 MAXCYTE INC MXCT 57777K106 $924.5K 0.52% 751,606 SH
46 PHATHOM PHARMACEUTICALS INC PHAT 71722W107 $922.4K 0.52% 85,010 SH
47 AZITRA INC AZTR 05479L302 $886.9K 0.50% 5,285,476 SH
48 CONNECT BIOPHARMA HLDGS LTD CNTB G23549101 $866.9K 0.49% 364,254 SH
49 CYBIN INC HELP 23256X407 $854.5K 0.48% 129,280 SH
50 ULTRAGENYX PHARMACEUTICAL IN RARE 90400D108 $834.8K 0.47% 25,000 SH
Filing History
Period Filed AUM Holdings Accession
2026-06-30 2026-08-17 $177.3M 87 0001440771-26-000016
2026-06-30 2026-08-14 $213.6M 97 0001440771-26-000014
2026-03-31 2026-05-14 $249.7M 83 0001440771-26-000002
2025-12-31 2026-02-13 $137.0M 66 0000935836-26-000090
2025-09-30 2025-11-13 $123.0M 58 0000935836-25-000666