$LPAAU

$11.13 -$0.13 (1.15%) Close

$LPAAU Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 5.0M shares outstanding

Who owns LPAAU?

By type of holder

Institutions 100.0% Everyone else 0.0%

No insider has reported a holding in the last two years, so insiders are counted in "Everyone else".

Concentration Top 10 holders own 498.3%

Magnetar Financial LLC 68.9% · MMCAP International Inc. SPC 67.6%

Institutional ownership

100.0%

0 pts vs last qtr

Institutional holders

-10 vs last qtr

Net shares bought

+784.9K

by institutions in Q2 2026

New / sold out

2 / 12

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Crossingbridge Advisors, LLC +1.1M
RiverPark Advisors, LLC +650.0K

Biggest sellers in Q2 2026

Karpus Management, Inc. SOLD OUT −1.1M
Parallax Volatility Advisers, L.P. SOLD OUT −400.3K

Who is planning to sell?

No insider has filed a notice of proposed sale (Form 144) for Launch One Acquisition Corp in the last 12 months.

Is your stake being diluted?

There are not yet two fiscal years of reported share counts for Launch One Acquisition Corp.

How patient are the owners?

Institutional shares by how long they've been held

5+ years0% 3–5 years0% 1–3 years90% Under 1 year10%

Quarterly turnover

10.2%

of institutional shares changed hands

Top 10 managers, median time held

1.8 years

Super Investors

Investment managers reporting LPAAU on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
MF Magnetar Financial LLC	3.4M	68.90%	−4 (−0.0%)	2024	0.3%
Shares held by quarter Peak holding3.4M (Q2'25) Change over 8 quarters+1.5M Share of the company68.900% Magnetar Financial LLC's full portfolio →
MI MMCAP International Inc. SPC	3.4M	67.60%	Unchanged	2024	3.0%
Shares held by quarter Peak holding3.4M (Q3'25) Change over 8 quarters+1.4M Share of the company67.600% MMCAP International Inc. SPC's full portfolio →

Magnetar Financial LLC

3.4M

% of company

68.90%

Change vs last qtr

−4 (−0.0%)

Held since

2024

MMCAP International Inc. SPC

3.4M

% of company

67.60%

Change vs last qtr

Unchanged

Held since

2024

28 more super investors behind a free account

See every manager holding Launch One Acquisition Corp, how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting LPAAU on Form N-PORT; together they hold 76.8% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
FT First Trust Merger Arbitrage Fund Investment Managers Series Trust II	$24.1M	2.2M	44.77%	1.48%	June 30, 2026
RS Riverpark Short Term High Yield Fund RiverPark Funds Trust	$11.2M	1.1M	21.17%	2.28%	June 30, 2026

First Trust Merger Arbitrage Fund

Investment Managers Series Trust II

Position value

$24.1M

% of company

44.77%

% of the fund

1.48%

As of

June 30, 2026

Riverpark Short Term High Yield Fund

RiverPark Funds Trust

Position value

$11.2M

% of company

21.17%

% of the fund

2.28%

As of

June 30, 2026

6 more funds behind a free account

See every fund holding Launch One Acquisition Corp and how much of the fund the position is.

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