AlphaQuest LLC RNAC β€” CARTESIAN THERAPEUTICS INC

Ownership history in AlphaQuest LLC  Β·  5 quarters on record

AI Ownership Summary

AlphaQuest LLC reported CARTESIAN THERAPEUTICS INC (RNAC) in 5 quarterly 13F filings from 2025 Q1 through 2026 Q1. Peak portfolio weight reached 0.01% in 2025 Q1. The latest visible filing shows RNAC 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.

What this RNAC ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was AlphaQuest LLC's position in CARTESIAN THERAPEUTICS 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 Q1

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

High-water mark
Peak Conviction
0.01% 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 Q1

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.

RNAC stock page AlphaQuest LLC fund profile AlphaQuest LLC full holdings
How AlphaQuest LLC held RNAC β€” position size vs. price
% of Fund (quarterly)    RNAC price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
πŸ“‹ Quarterly Holdings History 5 quarters  β–Ύ
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q1 UNCHANGED β€” β€” β€” 6,924 β€” 0% 0.00% $50K 2026-04-30 $6.22
2025 Q4 UNCHANGED β€” β€” β€” 6,924 β€” 0% 0.00% $50K 2026-02-09 $6.50
2025 Q3 ADDED β€” β€” β€” 6,924 +2,717 +64.6% 0.00% $71K 2025-11-03 $8.13
2025 Q2 REDUCED 41.5% -5.2% βœ… 4,207 -2,984 -41.5% 0.00% $44K 2025-07-31 $12.81
2025 Q1 INITIATED β€” β€” β€” 7,191 β€” β€” 0.01% $95K 2025-05-14 $9.98

🏒 Other funds also holding RNAC

As of 2026 Q1 β€” sorted by position size

Privium Fund Management B.V. 3Y 0.23% Miller Financial Services LLC 0.15% WEDBUSH SECURITIES INC 3Y 7Y 0.0% GAMMA Investing LLC 0.0% Police & Firemen's Retirement System of New Jersey 0.0% UBS Group AG 3Y 7Y 0.0% Physician Wealth Advisors, Inc. 3Y 0.0% Activest Wealth Management 3Y 0.0% Nuveen, LLC 0.0% True Wealth Design, LLC 3Y 0.0%

FAQ About AlphaQuest LLC and RNAC

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

How long has AlphaQuest LLC reported owning RNAC?

AlphaQuest LLC reported RNAC across 5 quarterly 13F filings, from 2025 Q1 through 2026 Q1.

What was the largest reported RNAC position in AlphaQuest LLC's portfolio?

The largest reported portfolio weight for RNAC was 0.01% in 2025 Q1.

What is the latest reported RNAC position on this page?

The most recent filing on this page is 2026 Q1, when AlphaQuest LLC reported 6,924 shares, equal to 0.00% of portfolio, with an estimated market value of $50K.

What does the chart on this RNAC ownership page compare?

The chart compares AlphaQuest LLC's quarterly RNAC 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 AlphaQuest LLC time their RNAC position?

Based on 13F filing dates vs. subsequent RNAC price moves, AlphaQuest LLC correctly timed 2 out of 3 reported position changes (67%). The annualised alpha on RNAC relative to SPY over the holding period was -51.0%.

← Back to AlphaQuest LLC Holdings