Who owns TWLVWhat TWLV owns — n/a

Who owns Twelve Seas Investment Co III/Cayman?

Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.

Institutional ownership of TWLV from SEC Form 13F filings across 48 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.

As of the 2026-06-30 reporting period, 48 institutions disclosed 15.1M shares of Twelve Seas Investment Co III/Cayman worth $151.4M — about 64.6% of shares outstanding; the largest disclosed holder is ADAGE CAPITAL PARTNERS GP, L.L.C.. Source: SEC Form 13F filings, parsed by EvidInvest.

13F holders

$151.4M

value, 2026 filers

64.6%

of shares outstanding (15.1M sh)

new positions (2026 filers)

Top institutional holders

ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of TWLV's shares outstanding

#	Manager	Shares	Value	% of fund	% of co.	Δ shares QoQ
1	ADAGE CAPITAL PARTNERS GP, L.L.C.	1.4M	$13.5M	0.0%	5.8%	0.0%
2	Linden Advisors LP	900,000	$9.0M	0.0%	3.8%	0.0%
3	TENOR CAPITAL MANAGEMENT Co., L.P.	800,000	$8.0M	0.1%	3.4%	0.0%
4	HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUNDNEW	800,000	$8.0M	0.0%	3.4%	new
5	AQR Arbitrage LLC	757,538	$7.6M	0.1%	3.2%	+1.8%
6	ARISTEIA CAPITAL, L.L.C.	600,000	$6.0M	0.1%	2.6%	0.0%
7	Polar Asset Management Partners Inc.	600,000	$6.0M	0.1%	2.6%	0.0%
8	Alberta Investment Management Corp	600,000	$6.0M	0.0%	2.6%	0.0%
9	Radcliffe Capital Management, L.P.	500,000	$5.0M	0.4%	2.1%	0.0%
10	RIVERNORTH CAPITAL MANAGEMENT, LLC	500,000	$5.0M	0.2%	2.1%	0.0%
11	BNP PARIBAS FINANCIAL MARKETS	462,114	$4.6M	0.0%	2%	0.0%
12	WOLVERINE ASSET MANAGEMENT LLC	402,063	$4.0M	0.0%	1.7%	+142.9%
13	Magnetar Financial LLC	400,000	$4.0M	0.0%	1.7%	0.0%
14	PICTON MAHONEY ASSET MANAGEMENT	400,000	$4.0M	0.0%	1.7%	0.0%
15	COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS	400,000	$4.0M	0.0%	1.7%	0.0%
16	BlueCrest Capital Management Ltd	400,000	$4.0M	0.1%	1.7%	0.0%
17	MMCAP International Inc. SPC	400,000	$4.0M	0.3%	1.7%	0.0%
18	GLAZER CAPITAL, LLC	352,373	$3.5M	0.1%	1.5%	+0.5%
19	Periscope Capital Inc.	350,000	$3.5M	0.3%	1.5%	+7.7%
20	Hudson Bay Capital Management LP	350,000	$3.5M	0.0%	1.5%	0.0%
21	HEIGHTS CAPITAL MANAGEMENT, INC	350,000	$3.5M	0.8%	1.5%	0.0%
22	Shaolin Capital Management LLC	329,200	$3.3M	0.2%	1.4%	-33.0%
23	SONA ASSET MANAGEMENT (US) LLC	301,000	$3.0M	0.1%	1.3%	0.0%
24	TWO SIGMA INVESTMENTS, LP	271,875	$2.7M	0.0%	1.2%	0.0%
25	Crossingbridge Advisors, LLC	270,000	$2.7M	0.5%	1.2%	-10.0%

Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.