PURA VIDA INVESTMENTS, LLC BBNX — BETA BIONICS INC

Ownership history in PURA VIDA INVESTMENTS, LLC  ·  6 quarters on record

AI Ownership Summary

PURA VIDA INVESTMENTS, LLC reported BETA BIONICS INC (BBNX) in 6 quarterly 13F filings from 2025 Q1 through 2026 Q2. Peak portfolio weight reached 38.36% in 2025 Q1. The latest visible filing shows BBNX at 11.91% of the fund.

This page tracks quarterly shares, estimated market value, portfolio weight, filing dates, and disclosure-aligned stock prices directly from SEC EDGAR 13F filings.

What this BBNX ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was PURA VIDA INVESTMENTS, LLC's position in BETA BIONICS INC, and how did that conviction change over time? You can read the holding window, peak weight, latest reported size, disclosure timing, and quarter-by-quarter changes without piecing the story together from raw SEC rows.

Freshest filing
Latest Reported Filing
2026 Q2

BBNX was reported at 11.91% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
38.36% in 2025 Q1

Peak weight helps separate a token disclosure from a real conviction holding the fund genuinely cared about.

Time in book
Holding Window
2025 Q1 to 2026 Q2

Longer holding windows often tell a very different story from short-lived tactical trades or one-quarter experiments.

Decision context
Why It Matters
Position size beats headlines

Knowing that a fund owned a stock is useful. Knowing whether it was a 0.20% placeholder or a true high-conviction position is where the signal actually starts.

BBNX stock page PURA VIDA INVESTMENTS, LLC fund profile PURA VIDA INVESTMENTS, LLC full holdings
How PURA VIDA INVESTMENTS, LLC held BBNX — position size vs. price
% of Fund (quarterly)    BBNX price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 6 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q2 REDUCED — — — 281,164 -86 -0.0% 11.91% $4.4M 2026-08-13 $18.08
2026 Q1 UNCHANGED — — — 281,250 — 0% 18.94% $2.8M 2026-05-12 $9.82
2025 Q4 UNCHANGED — — — 281,250 — 0% 32.03% $8.6M 2026-02-13 $13.94
2025 Q3 ADDED — — — 281,250 +278,750 +11150.0% 34.05% $5.6M 2025-11-12 $28.16
2025 Q2 REDUCED 99.4% +36.3% ❌ 2,500 -426,620 -99.4% 37.57% $6.2M 2025-08-13 $15.10
2025 Q1 INITIATED — — — 429,120 — — 38.36% $5.3M 2025-05-12 $14.18

🏢 Other funds also holding BBNX

As of 2026 Q2 — sorted by position size

Omega Fund Management, LLC 3Y 7Y 11.11% Sands Capital Alternatives, LLC 3Y 9.47% Bruce & Co., Inc. 3Y 7Y 2.82% Soleus Capital Management, L.P. 3Y 2.37% EVENTIDE ASSET MANAGEMENT, LLC 3Y 7Y 1.31% Eversept Partners, LP 3Y 7Y 1.02% Tri Locum Partners LP 3Y 0.95% Vestal Point Capital, LP 0.59% Divisadero Street Capital Management, LP 3Y 0.4% Values First Advisors, Inc. 3Y 0.36%

FAQ About PURA VIDA INVESTMENTS, LLC and BBNX

These are the practical questions this page is built to answer before you even open the full history table.

How long has PURA VIDA INVESTMENTS, LLC reported owning BBNX?

PURA VIDA INVESTMENTS, LLC reported BBNX across 6 quarterly 13F filings, from 2025 Q1 through 2026 Q2.

What was the largest reported BBNX position in PURA VIDA INVESTMENTS, LLC's portfolio?

The largest reported portfolio weight for BBNX was 38.36% in 2025 Q1.

What is the latest reported BBNX position on this page?

The most recent filing on this page is 2026 Q2, when PURA VIDA INVESTMENTS, LLC reported 281,164 shares, equal to 11.91% of portfolio, with an estimated market value of $4.4M.

What does the chart on this BBNX ownership page compare?

The chart compares PURA VIDA INVESTMENTS, LLC's quarterly BBNX portfolio weight with the stock's indexed share price, so you can see whether the fund was building, trimming, or holding the position as price moved.

How well did PURA VIDA INVESTMENTS, LLC time their BBNX position?

Based on 13F filing dates vs. subsequent BBNX price moves, PURA VIDA INVESTMENTS, LLC correctly timed 1 out of 3 reported position changes (33%). The annualised alpha on BBNX relative to SPY over the holding period was +516.8%.

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