PURA VIDA INVESTMENTS, LLC — 13F Holdings & Portfolio
CIK 1590144 · latest 13F-HR filed 2026-08-13
PURA VIDA INVESTMENTS, LLC manages $37.0M in 13F-reported U.S. long-equity assets across 19 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are ALMR (55.35%), BBNX (11.91%), ESTA (10.44%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 2 new positions and exited 0; 10 existing positions rose in reported value and 5 fell.
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.
Long-equity book
Distinct positions
Filed 2026-08-13
vs 2026-03-31
Portfolio charts
Latest quarter's book, what changed, and how the portfolio has evolved across filings.
Portfolio map
Q2 26Box size = position value; colour = change in share count vs the prior quarter (green added, red trimmed, blue new). Rows split across managers or share classes are combined. Click a box for the stock.
Sector mix
% of 13F valueSectors from each company's SIC code; funds and ETFs grouped separately.
Biggest buys and sells
Q1 26 → Q2 26Estimated from the change in shares held × the quarter-end price, so price moves alone don't count as buying. New and exited positions are included.
13F assets and positions
6 quartersTotal reported 13F value (bars) and number of positions (line) each quarter. Value changes include market moves.
Top positions over time
reported valueThe eight largest current positions, valued at each quarter end.
Concentration
top 10 = 92.4%Cumulative share of the portfolio held in the largest N positions.
As of the firm’s regulatory filing dated Mar 30, 2026.
19TH FLOOR
NEW YORK, NY 10001
| Name | Title / Status | Ownership | Type |
|---|---|---|---|
| KAMEN, EFREM, JASON Control | MANAGING MEMBER since Jul 2012 | 75% or more | Individual |
| PURA VIDA FUNDS GROUP GP, LLC Control | GENERAL PARTNER since Jul 2012 | Less than 5% | Domestic Entity |
| ZAMORANO, PIERRE, DANILO Control | CHIEF COMPLIANCE OFFICER & CHIEF FINANCIAL OFFICER since Feb 2025 | Less than 5% | Individual |
| KAMEN, EFREM, JASON Control Indirect owner via PURA VIDA FUNDS GROUP GP, LLC | MEMBER since Jul 2012 | 75% or more | Individual |
Ownership & leadership changes · 10 filings with changes since Jan 24, 2013
From the firm’s regulatory filings, newest first. Dates are filing dates: a filing that no longer lists someone does not say when they left.
- No longer listedBradfield, Cara, Faith · CCO & CFO · Less than 5% · control person · listed since Jun 2023
- AddedZAMORANO, PIERRE, DANILO · CHIEF COMPLIANCE OFFICER & CHIEF FINANCIAL OFFICER · Less than 5% · control person
- No longer listedLITVACK, FRANK, ISAAC · MEMBER · 50–75% · control person · listed since Jul 2012
- No longer listedLITVACK, FRANK, ISAAC · MEMBER · 50–75% · indirect via PURA VIDA FUNDS GROUP GP, LLC · control person · listed since Jul 2012
- No longer listedROMANO, ALYSSA, ARDEN · CCO AND CFO · Less than 5% · control person · listed since May 2018
- AddedBradfield, Cara, Faith · CCO & CFO · Less than 5% · control person
- ChangedKAMEN, EFREM, JASON · ownership 50–75% → 75% or more
- ChangedKAMEN, EFREM, JASON · indirect via PURA VIDA FUNDS GROUP GP, LLC: ownership 50–75% → 75% or more
- No longer listedBalaban, Melissa, Sue · CHIEF OPERATING OFFICER · Less than 5% · control person · listed since Jul 2021
- AddedBalaban, Melissa, Sue · CHIEF OPERATING OFFICER · Less than 5% · control person
- ChangedROMANO, ALYSSA, ARDEN · now a control person
- AddedKAMEN, EFREM, JASON · MEMBER · 50–75% · indirect via PURA VIDA FUNDS GROUP GP, LLC · control person
- AddedLITVACK, FRANK, ISAAC · MEMBER · 50–75% · indirect via PURA VIDA FUNDS GROUP GP, LLC · control person
- AddedPURA VIDA FUNDS GROUP GP, LLC · GENERAL PARTNER · Less than 5% · control person
- ChangedLITVACK, FRANK, ISAAC · ownership 10–25% → 50–75%
- AddedROMANO, ALYSSA, ARDEN · CCO AND CFO · Less than 5%
- ChangedKAMEN, EFREM, JASON · title MANAGING MEMBER/CCO → MANAGING MEMBER
- No longer listedJUNGER, DORON, (NMN) · MEMBER · 10–25% · control person · listed since Jan 2016
- No longer listedNONAS, CHRISTOPHER, ACHILLES · CFO/COO/CCO · Less than 5% · control person · listed since Nov 2012
- ChangedKAMEN, EFREM, JASON · title MANAGING MEMBER → MANAGING MEMBER/CCO
- Listed againJUNGER, DORON, (NMN) · MEMBER · 10–25% · control person
- ChangedLITVACK, FRANK, ISAAC · ownership 25–50% → 10–25%
- No longer listedJUNGER, DORON, (NMN) · MEMBER · 10–25% · control person · listed since Jul 2012
Older changes (1 more filing)
- ListedJUNGER, DORON, (NMN) · MEMBER · 10–25% · control person
- ListedKAMEN, EFREM, JASON · MANAGING MEMBER · 50–75% · control person
- ListedLITVACK, FRANK, ISAAC · MEMBER · 25–50% · control person
- ListedNONAS, CHRISTOPHER, ACHILLES · CFO/COO/CCO · Less than 5% · control person
Quarter-over-quarter changes
Changes in reported position value vs the prior 13F, so price moves count too, not just shares bought or sold.
Top Adds (vs prior quarter)
- BETA BIONICS INC$1.6M +56.3%
- ESTABLISHMENT LABS HLDGS INC$1.3M +51.1%
- ASML HLDG NV$127.0K +50.6%
- ALPHABET INC$82.6K +24.2%
- ANALOG DEVICES INC$79.0K +24.8%
Top Trims
- CARIS LIFE SCIENCES INC-$1.2M -71.7%
- INSPIREMD INC-$418.9K -57.0%
- INSIGHT MOLECULAR DIA INC-$246.0K -7.9%
- NATERA INC-$92.8K -18.6%
- METAGENOMI THERAPEUTICS INC-$39.7K -11.2%
PURA VIDA INVESTMENTS, LLC Holdings (2026-06-30)
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 | ALAMAR BIOSCIENCES INC | ALMR | 010911105 | $20.5M | 55.35% | 755,909 | SH |
| 2 | BETA BIONICS INC | BBNX | 08659B102 | $4.4M | 11.91% | 281,164 | SH |
| 3 | ESTABLISHMENT LABS HLDGS INC | ESTA | G31249108 | $3.9M | 10.44% | 45,000 | SH |
| 4 | INSIGHT MOLECULAR DIA INC | IMDX | 68235C206 | $2.9M | 7.73% | 484,845 | SH |
| 5 | NVIDIA CORPORATION | NVDA | 67066G104 | $460.2K | 1.24% | 2,300 | SH |
| 6 | CARIS LIFE SCIENCES INC | CAI | 142152107 | $454.4K | 1.23% | 25,500 | SH |
| 7 | JPMORGAN CHASE & CO | JPM | 46625H100 | $441.9K | 1.19% | 1,350 | SH |
| 8 | ALPHABET INC | GOOG | 02079K107 | $424.0K | 1.15% | 1,200 | SH |
| 9 | NATERA INC | NTRA | 632307104 | $407.2K | 1.10% | 1,500 | SH |
| 10 | ANALOG DEVICES INC | ADI | 032654105 | $397.2K | 1.07% | 1,000 | SH |
| 11 | ASML HLDG NV | ASML | N07059210 | $378.0K | 1.02% | 190 | SH |
| 12 | MICROSOFT CORP | MSFT | 594918104 | $373.0K | 1.01% | 1,000 | SH |
| 13 | OUTSET MED INC | OM | 690145206 | $360.0K | 0.97% | 83,333 | SH |
| 14 | APPLE INC | AAPL | 037833100 | $337.1K | 0.91% | 1,165 | SH |
| 15 | INSPIREMD INC | NSPR | 45779A846 | $315.4K | 0.85% | 450,517 | SH |
| 16 | METAGENOMI THERAPEUTICS INC | MGX | 59102M104 | $314.6K | 0.85% | 264,391 | SH |
| 17 | AMAZON COM INC | AMZN | 023135106 | $262.2K | 0.71% | 1,100 | SH |
| 18 | LINDE PLC | LIN | G54950103 | $259.5K | 0.70% | 500 | SH |
| 19 | COCA COLA CO | KO | 191216100 | $203.2K | 0.55% | 2,500 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-06-30 | 2026-08-13 | $37.0M | 19 | 0001590144-26-000004 |
| 2026-03-31 | 2026-05-12 | $14.9M | 17 | 0001590144-26-000003 |
| 2025-12-31 | 2026-02-13 | $26.8M | 19 | 0001590144-26-000002 |
| 2025-09-30 | 2025-11-12 | $16.4M | 8 | 0001590144-25-000009 |
| 2025-06-30 | 2025-08-13 | $16.6M | 9 | 0001590144-25-000006 |
| 2018-09-30 | 2018-11-14 | $202.5M | 140 | 0001493152-18-015951 |
19TH FLOOR
NEW YORK, NY 10001