RIVERNORTH CAPITAL MANAGEMENT, LLC ATMCW ALPHATIME ACQUISITION CORP

Ownership history in RIVERNORTH CAPITAL MANAGEMENT, LLC  ·  12 quarters on record

AI Ownership Summary

RIVERNORTH CAPITAL MANAGEMENT, LLC reported ALPHATIME ACQUISITION CORP (ATMCW) in 12 quarterly 13F filings from 2023 Q4 through 2026 Q1. The latest visible filing shows ATMCW 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 ATMCW ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was RIVERNORTH CAPITAL MANAGEMENT, LLC's position in ALPHATIME ACQUISITION CORP, 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

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

High-water mark
Peak Conviction
0.0% in 2025 Q3

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 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.

How RIVERNORTH CAPITAL MANAGEMENT, LLC held ATMCW — position size vs. price
% of Fund (quarterly)    ATMCW price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 10 quarters  
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q1 UNCHANGED 200,000 0% 0.00% $14K 2026-05-15 $0.07
2025 Q4 UNCHANGED 200,000 0% 0.00% $14K 2026-02-17 $0.07
2025 Q3 UNCHANGED 200,000 0% 0.00% $14K 2025-11-14
2025 Q2 UNCHANGED 200,000 0% 0.00% $6K 2025-08-14
2025 Q1 UNCHANGED 200,000 0% 0.00% $3K 2025-05-15
2024 Q4 UNCHANGED 200,000 0% 0.00% $4K 2025-02-14
2024 Q3 UNCHANGED 200,000 0% 0.00% $2K 2024-11-14
2024 Q2 UNCHANGED 200,000 0% 0.00% $3K 2024-08-14
2024 Q1 UNCHANGED 200,000 0% 0.00% $3K 2024-05-15
2023 Q4 UNCHANGED 200,000 0% 0.00% $5.9M 2024-02-14
2 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

🏢 Other funds also holding ATMCW

As of 2026 Q1 — sorted by position size

METEORA CAPITAL, LLC 3Y 0.0% MIZUHO SECURITIES USA LLC 0.0%

FAQ About RIVERNORTH CAPITAL MANAGEMENT, LLC and ATMCW

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

How long has RIVERNORTH CAPITAL MANAGEMENT, LLC reported owning ATMCW?

RIVERNORTH CAPITAL MANAGEMENT, LLC reported ATMCW across 10 quarterly 13F filings, from 2023 Q4 through 2026 Q1.

What was the largest reported ATMCW position in RIVERNORTH CAPITAL MANAGEMENT, LLC's portfolio?

The largest reported portfolio weight for ATMCW was 0.00% in 2025 Q3.

What is the latest reported ATMCW position on this page?

The most recent filing on this page is 2026 Q1, when RIVERNORTH CAPITAL MANAGEMENT, LLC reported 200,000 shares, equal to 0.00% of portfolio, with an estimated market value of $14K.

What does the chart on this ATMCW ownership page compare?

The chart compares RIVERNORTH CAPITAL MANAGEMENT, LLC's quarterly ATMCW 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.

← Back to RIVERNORTH CAPITAL MANAGEMENT, LLC Holdings