DOSSIER · 13F Holders · Q1 2026

TWELVE SEAS INVT CO III

12 institutions still hold TWELVE SEAS INVT CO III as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP G9145D127·12 13F holders·last filed Mar 31, 2026
Market cap
13F value held
$35M
visible holders
Holders
12
filers reporting
Concentration
22.75%
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND #1
top holder share
AI Holders Summary · Q1 2026

12 institutions reported TWELVE SEAS INVT CO III in Q1 2026. HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND leads at 22.7% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND
CIK 0001535845
$8M800K0.01%Q1 2026
02
AQR Arbitrage LLC
CIK 0001167456
$8M782K0.16%Q4 2025
03
LMR Partners LLP
CIK 0001578621
$5M450K0.01%Q1 2026
04
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
$4M400K0.00%Q1 2026
05
OMERS ADMINISTRATION Corp
CIK 0001053321
$3M300K0.02%Q1 2026
06
JPMORGAN CHASE & CO
CIK 0000019617
$3M299K0.00%Q1 2026
07
Clear Street Group Inc.
CIK 0001881567
$2M193K0.01%Q1 2026
08
Lineage Point Capital LP
CIK 0002093311
$1M150K0.57%Q4 2025
09
Cable Car Capital, LP
CIK 0001699575
$1M100K0.35%Q1 2026
10
HRT FINANCIAL LP
CIK 0001475597
$268K27K0.00%Q4 2025
11
Evercore Wealth Management, LLC
CIK 0001482689
$136K14K0.00%Q1 2026
12
UBS Group AG
CIK 0001610520
$2K2000.00%Q1 2026