$LEGO

$9.99 +$0.01 (0.1%) Close

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

Ownership

13F as of Q2 2026 · 31.3M shares outstanding

Who owns LEGO?

By type of holder

Institutions 57.0% Insiders 0.0% Everyone else 43.0%

Concentration Top 10 holders own 36.7%

Rosenfeld Eric 8.9% · Adage Capital Partners GP, L.L.C. 5.8%

Institutional ownership

57.0%

+22.3 pts vs last qtr

Institutional holders

+15 vs last qtr

Net shares bought

+7.0M

by institutions in Q2 2026

New / sold out

20 / 5

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

AQR Arbitrage LLC NEW +861.3K
Alberta Investment Management Corp NEW +800.0K

Biggest sellers in Q2 2026

Saba Capital Management, L.P. SOLD OUT −114.0K
Shaolin Capital Management LLC −68.3K

Who is planning to sell?

No insider has filed a notice of proposed sale (Form 144) for Legato Merger Corp IV in the last 12 months.

Is your stake being diluted?

There are not yet two fiscal years of reported share counts for Legato Merger Corp IV.

How patient are the owners?

Institutional shares by how long they've been held

5+ years0% 3–5 years0% 1–3 years0% Under 1 year100%

Quarterly turnover

34.4%

of institutional shares changed hands

Top 10 managers, median time held

1 quarter

Super Investors

Investment managers reporting LEGO on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
AC Adage Capital Partners GP, L.L.C.	1.8M	5.76%	Unchanged	Q1 '26	0.0%
Shares held by quarter Peak holding1.8M (Q1'26) Change over 8 quarters+1.8M Share of the company5.760% Adage Capital Partners GP, L.L.C.'s full portfolio →
MF Magnetar Financial LLC	1.1M	3.52%	Unchanged	Q1 '26	0.1%
Shares held by quarter Peak holding1.1M (Q1'26) Change over 8 quarters+1.1M Share of the company3.520% Magnetar Financial LLC's full portfolio →

Adage Capital Partners GP, L.L.C.

1.8M

% of company

5.76%

Change vs last qtr

Unchanged

Held since

Q1 '26

Magnetar Financial LLC

1.1M

% of company

3.52%

Change vs last qtr

Unchanged

Held since

Q1 '26

28 more super investors behind a free account

See every manager holding Legato Merger Corp IV, how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting LEGO on Form N-PORT; together they hold 1.7% 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	$1.49M	150.3K	0.48%	0.09%	June 30, 2026
RO RiverNorth Opportunities Fund Inc. Rivernorth Opportunities Fund Inc.	$992K	100.0K	0.32%	0.30%	June 30, 2026

First Trust Merger Arbitrage Fund

Investment Managers Series Trust II

Position value

$1.49M

% of company

0.48%

% of the fund

0.09%

As of

June 30, 2026

RiverNorth Opportunities Fund Inc.

Rivernorth Opportunities Fund Inc.

Position value

$992K

% of company

0.32%

% of the fund

0.30%

As of

June 30, 2026

5 more funds behind a free account

See every fund holding Legato Merger Corp IV and how much of the fund the position is.

Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G

Holder	Shares	% of company	Change vs last qtr	8 quarters	Held since	% of their book
RE Rosenfeld Eric 5%+ holder 13D · 8.9%	2.8M	8.92%	—	—	—	—
This holder reports through Schedule 13D/G, not a quarterly 13F. Share of the company8.920% Disclosed stake13D · 8.9% View the 13D/G filing →

Rosenfeld Eric

5%+ holder13D · 8.9%

2.8M

% of company

8.92%

Change vs last qtr

—

Held since

—

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