Parallax Volatility Advisers, L.P. CRSP — CRISPR THERAPEUTICS AG

Ownership history in Parallax Volatility Advisers, L.P.  ·  35 quarters on record

AI Ownership Summary

Parallax Volatility Advisers, L.P. reported CRISPR THERAPEUTICS AG (CRSP) in 35 quarterly 13F filings from 2023 Q4 through 2025 Q3. The latest visible filing shows CRSP at 0.00% 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. Older history is available after unlock; the visible window still shows the most recent pattern.

What this CRSP ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was Parallax Volatility Advisers, L.P.'s position in CRISPR THERAPEUTICS AG, 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
2025 Q3

CRSP was reported at 0.00% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.0% in 2025 Q2

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

Time in book
Holding Window
2023 Q4 to 2025 Q3

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.

CRSP stock page Parallax Volatility Advisers, L.P. fund profile Parallax Volatility Advisers, L.P. full holdings
How Parallax Volatility Advisers, L.P. held CRSP — position size vs. price
% of Fund (quarterly)    CRSP 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)
2025 Q3 REDUCED 97.5% -16.7% ✅ 635 -24,365 -97.5% 0.00% $41K 2025-11-14 $52.53
2025 Q3 ADDED — — — 25,000 +17,965 +255.4% 0.00% $1.6M 2025-11-14 $52.53
2025 Q2 REDUCED 71.9% +31.1% ❌ 7,035 -17,965 -71.9% 0.00% $342K 2025-08-14 $58.82
2025 Q2 ADDED — — — 25,000 +24,800 +12400.0% 0.00% $1.2M 2025-08-14 $58.82
2023 Q4 REDUCED 96.3% +8.9% ❌ 200 -5,200 -96.3% 0.00% $13K 2024-02-14 $79.04
2023 Q4 REDUCED 5.3% +8.9% ❌ 5,400 -300 -5.3% 0.00% $338K 2024-02-14 $79.04
29 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

🏢 Other funds also holding CRSP

As of 2026 Q1 — sorted by position size

GSK plc 25.57% SR ONE CAPITAL MANAGEMENT, LP 3Y 10.59% Versant Venture Management, LLC 3Y 7Y 5.01% ARK Investment Management LLC 3Y 7Y 4.19% NEA Management Company, LLC 3Y 7Y 2.86% EcoR1 Capital, LLC 3Y 7Y 2.8% Green Alpha Advisors, LLC 3Y 2.67% IQ EQ FUND MANAGEMENT (IRELAND) Ltd 3Y 7Y 1.45% Deuterium Capital Management, LLC 3Y 1.38% Monashee Investment Management LLC 3Y 7Y 1.29%

FAQ About Parallax Volatility Advisers, L.P. and CRSP

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

How long has Parallax Volatility Advisers, L.P. reported owning CRSP?

Parallax Volatility Advisers, L.P. reported CRSP across 6 quarterly 13F filings, from 2023 Q4 through 2025 Q3.

What was the largest reported CRSP position in Parallax Volatility Advisers, L.P.'s portfolio?

The largest reported portfolio weight for CRSP was 0.00% in 2025 Q2.

What is the latest reported CRSP position on this page?

The most recent filing on this page is 2025 Q3, when Parallax Volatility Advisers, L.P. reported 635 shares, equal to 0.00% of portfolio, with an estimated market value of $41K.

What does the chart on this CRSP ownership page compare?

The chart compares Parallax Volatility Advisers, L.P.'s quarterly CRSP 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 Parallax Volatility Advisers, L.P. time their CRSP position?

Based on 13F filing dates vs. subsequent CRSP price moves, Parallax Volatility Advisers, L.P. correctly timed 16 out of 34 reported position changes (47%). The annualised alpha on CRSP relative to SPY over the holding period was -20.2%.

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