DOSSIER · 13F Holders · Q1 2026

BLUE WTR ACQUISITION CORP IV

33 institutions still hold BLUE WTR ACQUISITION CORP IV as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP G1368A120·33 13F holders·last filed Mar 31, 2026
Market cap
13F value held
$81M
visible holders
Holders
33
filers reporting
Concentration
13.82%
ADAGE CAPITAL PARTNERS GP, L.L.C. #1
top holder share
AI Holders Summary · Q1 2026

33 institutions reported BLUE WTR ACQUISITION CORP IV in Q1 2026. ADAGE CAPITAL PARTNERS GP, L.L.C. leads at 13.8% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
ADAGE CAPITAL PARTNERS GP, L.L.C.
CIK 0001165408
$11M1.1M0.02%Q1 2026
02
LINDEN ADVISORS LP
CIK 0001279396
$6M625K0.03%Q1 2026
03
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
$6M600K0.00%Q1 2026
04
Alberta Investment Management Corp
CIK 0001463559· Sovereign
$6M600K0.04%Q1 2026
05
RIVERNORTH CAPITAL MANAGEMENT, LLC
CIK 0001447578
$5M500K0.25%Q1 2026
06
ARISTEIA CAPITAL, L.L.C.
CIK 0001080171
$5M500K0.10%Q1 2026
07
LMR Partners LLP
CIK 0001578621
$5M500K0.01%Q1 2026
08
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND
CIK 0001535845
$5M500K0.01%Q1 2026
09
SONA ASSET MANAGEMENT (US) LLC
CIK 0001856405
$3M350K0.07%Q1 2026
10
WHITEBOX ADVISORS LLC
CIK 0001257391
$3M350K0.04%Q1 2026
11
Calamos Advisors LLC
CIK 0001316507
$3M300K0.01%Q1 2026
12
TENOR CAPITAL MANAGEMENT Co., L.P.
CIK 0001346554
$3M300K0.05%Q1 2026
13
BNP PARIBAS FINANCIAL MARKETS
CIK 0001166588
$3M300K0.00%Q1 2026
14
Radcliffe Capital Management, L.P.
CIK 0001218275
$3M275K0.20%Q1 2026
15
Verition Fund Management LLC
CIK 0001454027
$3M259K0.02%Q1 2026
16
Kryger Capital LLC
CIK 0002123957
$2M250K0.18%Q1 2026
17
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
$2M227K0.00%Q1 2026
18
MOORE CAPITAL MANAGEMENT, LP
CIK 0001448574
$2M200K0.04%Q1 2026
19
K2 PRINCIPAL FUND, L.P.
CIK 0001461790
$2M200K0.14%Q1 2026
20
GLAZER CAPITAL, LLC
CIK 0001076809
$2M178K0.04%Q1 2026
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