Follow-The-Filings

Featured 13F manager

DAFNA Capital Management LLC Nathan Fischel

Los Angeles, CA 20 processed 13Fs on this site · 2021 Q3–2026 Q2

  • $524M
  • 88 Positions
  • 2026 Q2
  • +19.1% QoQ
  • Top 5 40.2%

Nathan Fischel files DAFNA Capital Management LLC as a Form 13F. The latest book is 2026 Q2 at $524M, up 19.1% QoQ, led by Revolution Medicines, Spdr S&P Biotech ETF, and Compass Pathways.

Portfolio

2026 Q2 · filed 8/14/2026 · 88 long · top 12 shown

top 5 40.2% · top 10 56.2%

AUM over time

2026 Q2 $524M +19.1% QoQ
2021 Q3 · $377M 2021 Q3 · $377M
Q3 2021
2021 Q4 · $398M · +5.6% QoQ 2021 Q4 · $398M · +5.6% QoQ
Q4
2022 Q1 · $384M · −3.5% QoQ 2022 Q1 · $384M · −3.5% QoQ
Q1 2022
2022 Q2 · $367M · −4.4% QoQ 2022 Q2 · $367M · −4.4% QoQ
Q2
2022 Q3 · $372M · +1.4% QoQ 2022 Q3 · $372M · +1.4% QoQ
Q3
2022 Q4 · $355M · −4.6% QoQ 2022 Q4 · $355M · −4.6% QoQ
Q4
2023 Q1 · $334M · −5.9% QoQ 2023 Q1 · $334M · −5.9% QoQ
Q1 2023
2023 Q2 · $366M · +9.6% QoQ 2023 Q2 · $366M · +9.6% QoQ
Q2
2023 Q3 · $321M · −12.3% QoQ 2023 Q3 · $321M · −12.3% QoQ
Q3
2023 Q4 · $417M · +29.9% QoQ 2023 Q4 · $417M · +29.9% QoQ
Q4
2024 Q1 · $439M · +5.3% QoQ 2024 Q1 · $439M · +5.3% QoQ
Q1 2024
2024 Q2 · $419M · −4.6% QoQ 2024 Q2 · $419M · −4.6% QoQ
Q2
2024 Q3 · $423M · +1.0% QoQ 2024 Q3 · $423M · +1.0% QoQ
Q3
2024 Q4 · $393M · −7.1% QoQ 2024 Q4 · $393M · −7.1% QoQ
Q4
2025 Q1 · $353M · −10.2% QoQ 2025 Q1 · $353M · −10.2% QoQ
Q1 2025
2025 Q2 · $362M · +2.5% QoQ 2025 Q2 · $362M · +2.5% QoQ
Q2
2025 Q3 · $405M · +11.9% QoQ 2025 Q3 · $405M · +11.9% QoQ
Q3
2025 Q4 · $431M · +6.4% QoQ 2025 Q4 · $431M · +6.4% QoQ
Q4
2026 Q1 · $440M · +2.1% QoQ 2026 Q1 · $440M · +2.1% QoQ
Q1 2026
2026 Q2 · $524M · +19.1% QoQ 2026 Q2 · $524M · +19.1% QoQ
Q2

Book

2022 Q2 2022 Q1 · filed 15 Aug · long equity

XBI - Spdr Sp Biotech ETF 12.41% Add +127.5% 613,000 $74.27 $46M +343,500 +$21M
STXS - Stereotaxis 6.86% Hold 13,680,554 $1.84 $25M
BHVN - Biohaven 4.37% Add +41.9% 110,100 $145.71 $16M +32,500 +$7M
Adicet Bio 3.72% Add +30.7% 935,766 $14.60 $14M +219,894 −$634K
FATE - Fate Therapeutics 3.72% Add +10.0% 550,940 $24.78 $14M +50,010 −$6M
XENE - Xenon Pharmaceuticals 3.64% Add +15.4% 438,623 $30.42 $13M +58,460 +$2M
Blueprint Medicines 3.60% Add +6.1% 261,280 $50.51 $13M +15,000 −$3M
ASND - Ascendis Pharma A/S 3.53% Add +354.8% 139,212 $92.96 $13M +108,600 +$9M
NDAQ - Nasdaq Omx 3.29% Hold 102,500 $117.63 $12M
CYTK - Cytokinetics 2.26% Hold 211,495 $39.29 $8M
NBIX - Neurocrine Biosciences 2.20% Reduce −1.2% 82,655 $97.48 $8M −1,000 +$214K
Karuna Therapeutics 2.14% Reduce −24.4% 62,053 $126.50 $8M −20,000 −$3M
IDYA - Ideaya Biosciences 2.06% Add +11.9% 548,561 $13.80 $8M +58,500 +$2M
NRIX - Nurix Therapeutics 1.96% Add +4.3% 566,695 $12.67 $7M +23,351 −$432K
SNDX - Syndax Pharmaceuticals 1.95% Reduce −0.3% 370,987 $19.24 $7M −1,000 +$673K
Merus 1.62% Add +11.9% 262,891 $22.64 $6M +27,902 −$261K
RVMD - Revolution Medicines 1.59% Add +29.2% 299,785 $19.49 $6M +67,684 −$78K
Sage Therapeutics 1.59% Hold 180,306 $32.30 $6M
ALEC - Alector 1.53% Add +88.7% 552,438 $10.16 $6M +259,691 +$1M
EWTX - Edgewise Therapeutics 1.51% Add +95.1% 695,959 $7.96 $6M +339,209 +$2M
DXCM - Dexcom 1.47% Add +300.0% 72,552 $74.53 $5M +54,414 −$4M
Mirati Therapeutics 1.46% Add +86.4% 79,600 $67.14 $5M +36,900 +$2M
Cymabay Therapeutics 1.44% Add +5.6% 1,787,569 $2.95 $5M +95,000 +$9K
RCUS - Arcus Biosciences 1.30% Add +29.3% 187,717 $25.34 $5M +42,500 +$174K
Natus Medical 1.28% Reduce −24.7% 143,600 $32.77 $5M −47,035 −$304K
APLSUSD - Apellis Pharmaceuticals 1.19% Add +3.2% 96,935 $45.22 $4M +3,000 −$390K
Morphic 1.16% Add +7.7% 195,467 $21.70 $4M +14,000 −$3M
Cardiovascular Sys 1.12% Hold 286,988 $14.36 $4M
IPSC - Century Therapeutics 1.09% Add +85.0% 475,367 $8.40 $4M +218,475 +$759K
Iveric Bio 1.06% Add +34.8% 402,476 $9.62 $4M +104,000 −$1M
Holding 0.99% Reduce −18.5% 48,452 $75.25 $4M −11,000 +$2M
F-Star Therapeutics 0.98% Reduce −16.9% 576,881 $6.26 $4M −116,904 +$1M
Otonomy 0.83% Reduce −1.8% 1,470,199 $2.08 $3M −27,315 −$536K
ATRC - Atricure 0.80% Hold 72,029 $40.86 $3M
Kinnate Biopharma 0.77% Add +51.5% 224,451 $12.61 $3M +76,300 +$1M
AXGN - Axogen 0.74% Hold 332,103 $8.19 $3M
Kalvista Pharmaceuticals 0.71% Add +39.3% 265,663 $9.84 $3M +75,000 −$196K
89BIO 0.67% Add +136.6% 766,774 $3.22 $2M +442,721 +$1M
Dice Therapeutics 0.66% Add +66.9% 156,904 $15.52 $2M +62,904 +$637K
LKFT - Galapagos 0.65% Hold 42,675 $55.79 $2M
BCYC - Bicycle Therapeutics 0.60% Add +146.6% 131,200 $16.78 $2M +78,000 −$132K
Iteos Therapeutics 0.59% Add +17.9% 105,298 $20.60 $2M +16,000 −$705K
Aerie Pharmaceuticals 0.59% Hold 289,040 $7.50 $2M
KURA - Kura Oncology 0.59% Add +4.0% 117,829 $18.33 $2M +4,500 +$338K
Affimed 0.52% Add +20.1% 686,282 $2.77 $2M +115,000 −$596K
Mersana Therapeutics 0.51% Add +15.3% 406,763 $4.62 $2M +54,000 +$471K
ORIC - Oric Pharmaceuticals 0.51% New 415,926 $4.48 $2M +415,926 +$2M
ARAY - Accuray 0.50% Hold 941,800 $1.96 $2M
Surface Oncology 0.49% Add +61.8% 1,100,000 $1.64 $2M +420,000 −$195K
BMEA - Biomea Fusion 0.45% Reduce −64.3% 136,935 $11.98 $2M −246,988 −$72K

Showing top 50 of 88 by value

Exits / last held

not current holdings · last reported size, unchanged · gone vs 2022 Q1

Stock % of portfolio Recent activity Shares Reported price* Value Share change $ change
Athira Pharma 0.57% Exit 0 $13.50 $2M −160,983 −$2M
COGT - Cogent Biosciences 0.44% Exit 0 $7.49 $2M −223,554 −$2M
Regulus Therapeutics 0.43% Exit 0 $0.2981 $2M −5,555,555 −$2M
Immunocore 0.42% Exit 0 $29.90 $2M −53,878 −$2M
PHVS - Pharvaris 0.16% Exit 0 $18.14 $628K −34,615 −$628K
Harpoon Therapeutics 0.14% Exit 0 $4.97 $523K −105,163 −$523K
Surgalign 0.05% Exit 0 $0.3036 $176K −579,710 −$176K
Infinity Pharmaceuticals 0.04% Exit 0 $1.14 $137K −120,097 −$137K

* Reported price is value ÷ shares from the 13F as of period end — not a live market quote. Weight % is each long-equity position ÷ full 13F AUM, so rows may not sum to 100% when the filing includes options or other non-equity (excluded from this table). Share change and $ change are vs 2022 Q1. Click column headers to sort · click New / Hold / Add / Reduce to promote that move type to the top. Exit opens the last-held block below.

Filings history

20 periods · normalized AUM · open a period for holdings

Period Holdings AUM QoQ Form Filed Filing ID
2026 Q2 88 $524M +19.1% 13F-HR 8/14/2026 000138993326000006
2026 Q1 83 $440M +2.1% 13F-HR 5/15/2026 000138993326000004
2025 Q4 77 $431M +6.4% 13F-HR 2/17/2026 000138993326000002
2025 Q3 75 $405M +11.9% 13F-HR 11/14/2025 000138993325000008
2025 Q2 76 $362M +2.5% 13F-HR 8/14/2025 000138993225000011
2025 Q1 83 $353M −10.2% 13F-HR 5/15/2025 000138993325000002
2024 Q4 82 $393M −7.1% 13F-HR 2/14/2025 000138993225000004
2024 Q3 84 $423M +1.0% 13F-HR 11/14/2024 000138993224000020
2024 Q2 83 $419M −4.6% 13F-HR 8/14/2024 000138993224000016
2024 Q1 72 $439M +5.3% 13F-HR 5/15/2024 000138993224000012
2023 Q4 76 $417M +29.9% 13F-HR 2/14/2024 000138993224000004
2023 Q3 75 $321M −12.3% 13F-HR 11/14/2023 000138993223000010
2023 Q2 73 $366M +9.6% 13F-HR 8/14/2023 000138993323000008
2023 Q1 72 $334M −5.9% 13F-HR 5/15/2023 000138993323000006
2022 Q4 79 $355M −4.6% 13F-HR 2/14/2023 000138993323000002
2022 Q3 87 $372M +1.4% 13F-HR 11/14/2022 000138993322000010
2022 Q2 90 $367M −4.4% 13F-HR 8/15/2022 000138993322000008
2022 Q1 94 $384M −3.5% 13F-HR 5/16/2022 000138993322000006
2021 Q4 87 $398M +5.6% 13F-HR 2/14/2022 000138993322000002
2021 Q3 80 $377M 13F-HR 11/15/2021 000138993321000011

About

DAFNA Capital Management LLC

20 processed 13Fs on this site · 2021 Q3–2026 Q2

Entity
DAFNA Capital Management LLC
Notable person
Nathan Fischel
Location
Los Angeles, CA
All SEC filings
View on sec.gov