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BWIV · Blue Water Acquisition Corp. IV · Holdings

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$9.98 +0.00 (+0.00%) At close · Oct 27
Rebalance outlook locked
Going-concern doubt — flagged Aug 14, 2026

Substantial doubt about the company's ability to continue as a going concern.

“As of June 30, 2026 and December 31, 2025, the Company had no cash and working capital (deficit) of $518,220 and $(181,480), respectively. The Company has incurred and expects to continue to incur significant costs in pursuit of its financing and acquisition plans. These conditions raise substantial doubt about the Company’s ability to continue as a going concern one year from the issuance date of the financial statements. Management plans to address this uncertainty by issuing working capital loans, as necessary, and consummating an initial business combination. However, there is no assurance that the Company’s plans to raise capital or to consummate an initial business combination will be successful. The financial statements contained elsewhere in this report do not include any adjustments that might result from the outcome of this uncertainty.”
View the 10-Q filed Aug 14, 2026
Market Cap
$177.23M
Shares
17.76M
Volume · Oct 27 182 Avg daily vol (3M) 24.28K

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Use institutional holdings through the 13F API or MCP → See every holder of BWIV: 13F, 13D and 13G, insiders and funds →
The Sep 30, 2026 filing window is still open — showing the latest known positions. Funds that have not filed yet carry their prior-quarter positions; a fund that filed without this stock counts as sold out. Each fund's Change is measured against its own previous reported quarter, shown in the Reported column. Pick a completed quarter in the Quarter selector below to put every fund on one quarter and see the stock-wide activity breakdown.
Holders: 35
Total Value: $98,514,990
Total Shares: 9,950,040

Institutional Ownership Trend

2 quarters

Holder Concentration

Across 35 13F filers
Top Holder
11.3%
of institutional value
Top 5
39.6%
of institutional value
Top 10
61.9%
of institutional value
HHI
523
Broadly held

Who Holds BWIV

Last 2 quarters through Sep 30, 2026 (filing window open)

Each kind of 13F filer's share of the common shares 13F filers report. Holder type comes from regulatory records, never the filer's name; style, turnover and horizon are measured from each filer's own 13F book. The quarter selector does not change this card.

Jun 30, 2026, the newest closed quarter: 35 filers, like-for-like change —.

Holder type Share Filers Change
Registered adviser 74.7% 22 new
Exempt adviser 1.0% 1 new
Insurer 1.5% 1 new
Non-US 14.1% 3 new
Unknown 8.8% 8 new

The Sep 30, 2026 filing window is still open, so its bar carries the Jun 30, 2026 positions of filers that have not filed yet.

How the mix is measured

Shares are 13F common shares restated to today's split basis; options and principal amounts are left out. The change compares only filers with a 13F in both quarters and keeps each filer in its bucket of the later quarter on both sides; a filer that continues under a new CIK is compared through its successor. Holder type comes from each filer's current regulatory profile; client base and private funds come from the Form ADV roster current at each quarter end (rosters from December 2019, so an earlier quarter reads Unknown). Style, turnover, horizon and book size are measured from each filer's 13F book in the newest measured quarter, and Not measured means none was. Actively managed books are those measured systematic-like, concentrated or diversified active.

Conviction and Crowding

35 13F filers, quarter ended Jun 30, 2026

Measured across every 13F filer's common-share book once the quarter's filing window closed. Crowding counts filers with high turnover or that advise private funds on Form ADV.

Conviction holders
0
0.000% of filers hold it in their top 10
Holders above 5%
0
median weight 0.073%
Crowding
—
the issuer has more than one class of common stock, so its count is the total across classes
Private-fund advisers
—
of shares outstanding
Institutional ownership
—
the issuer has more than one class of common stock, so its count is the total across classes
Top 10 holders
61.9%
of 13F shares, Herfindahl 0.052
Active holders
—
like-for-like share change of active filers
5% stakes on record
1
0 13D, 1 13G (0 institutional, 0 passive, 1 exempt)
How long holders have held it value-weighted 1.0 quarters
Under 1 year 100.0% 1 to 3 years 0.000% 3 years or more 0.000% Since coverage start 0.000%

Managers in the top fifth by current three-year FundScore alpha were net buyers of $0 (0 buying, 0 selling).

Estimated Holder Cost Basis

Quarter ended Jun 30, 2026, on that quarter's share basis

Estimated, never filed: each 13F buy is costed at its quarter's average traded price and each sale keeps the average cost, so this is what holders paid on average if they traded evenly through each quarter.

Estimated avg cost
$9.90
estimated per share
Quarter-end price
$9.90
implied by 13F values
Estimated gain or loss
0.0%
price against the estimated cost
Estimated at a loss
100.0%
of costed 13F value

Estimated cost covers 100.0% of the 13F shares; positions already held when a filer's 13F history starts, or bought in a quarter without a trusted average price, have no estimate.

Shared Holders

Companies BWIV's active holders also own, quarter ended Jun 30, 2026
# Company Shared holders
1 LEGO Legato Merger Corp. IV 3
2 BID Tribeca Strategic Acquisition Corp. 3
3 ILLU Illumination Acquisition Corp. I 3

Shareholder Targets

13F filers that own its peers but not BWIV, quarter ended Jun 30, 2026

Found through its holder-overlap peers: LEGO, BID, ILLU. 38 filers in all.

# Filer In peers
1 LMR Partners LLP Exempt adviser, Diversified active $20,000,000 2 held
2 ARISTEIA CAPITAL, L.L.C. Registered adviser, Diversified active $11,627,774 3 held
3 PICTON MAHONEY ASSET MANAGEMENT Non-US, Diversified active $10,962,921 3 held
4 OMERS ADMINISTRATION Corp Benefit plan, Diversified active $8,034,975 1 held
5 Centiva Capital, LP Registered adviser, Diversified active $7,979,333 3 held
6 TORONTO DOMINION BANK Bank, Diversified active $7,722,800 2 held
7 JPMORGAN CHASE & CO Bank, Diversified active $7,711,500 2 held
8 Polar Asset Management Partners Inc. Registered adviser, Systematic-like $6,495,000 2 held
9 D. E. Shaw & Co., Inc. Unknown, Systematic-like $4,710,000 2 held
10 Westchester Capital Management, LLC Registered adviser, Diversified active $3,994,998 2 held

Fund Ownership of BWIV by Fund Type

Registered funds' Form N-PORT reports for the quarter ended Jun 30, 2026

Index funds and index ETFs hold 0.00% of shares outstanding.

Fund type Of shares outstanding Shares
Index funds 0.00% 0
Index ETFs 0.00% 0
Active ETFs 0.06% 10,000
Active funds 1.13% 200,000
Unclassified 0.00% 0
All registered funds 1.18% 210,000
How fund types are measured

Each fund series counts once, with its latest Form N-PORT report dated inside the quarter; only long share positions count, restated to today's split basis. The fund type is the series' latest Form N-CEN answer on or before the quarter end (the index-fund box and the exchange-traded flag), never its name. Unclassified funds have no usable N-CEN; unit investment trusts are among them, so index ownership is a floor. Funds sit inside their advisers' 13F reports, so these shares overlap the 13F figures and are never added to them.

Holder type: Registered adviser 22 Exempt adviser 1 Insurer 1 Non-US 3 Unknown 8
Showing 35 of 35
All Common Calls Puts
Export CSV
Holder Value (USD) % of 13F Shares Open
ADAGE CAPITAL PARTNERS GP, L.L.C. $11,137,500 11.31% 1,125,000
Magnetar Financial LLC $9,405,000 9.55% 950,000
Wealthspring Capital LLC $6,299,558 6.39% 636,319
Linden Advisors LP $6,187,500 6.28% 625,000
Alberta Investment Management Corp $5,940,000 6.03% 600,000
RIVERNORTH CAPITAL MANAGEMENT, LLC $4,950,000 5.02% 500,000
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND $4,950,000 5.02% 500,000
MILLENNIUM MANAGEMENT LLC $4,702,500 4.77% 475,000
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS $3,960,000 4.02% 400,000
SONA ASSET MANAGEMENT (US) LLC $3,465,000 3.52% 350,000
WHITEBOX ADVISORS LLC $3,465,000 3.52% 350,000
TENOR CAPITAL MANAGEMENT Co., L.P. $2,970,000 3.01% 300,000
BNP PARIBAS ARBITRAGE, SA $2,969,722 3.01% 299,972
AQR Arbitrage LLC $2,903,907 2.95% 293,324
Radcliffe Capital Management, L.P. $2,723,490 2.76% 275,100
Kryger Capital LLC $2,433,330 2.47% 245,791
TWO SIGMA INVESTMENTS, LP $2,242,963 2.28% 226,562
Verition Fund Management LLC $2,157,051 2.19% 217,884
MOORE CAPITAL MANAGEMENT, LP $1,980,000 2.01% 200,000
GLAZER CAPITAL, LLC $1,973,159 2.00% 199,309
WOLVERINE ASSET MANAGEMENT LLC $1,882,237 1.91% 190,125
Clear Street Group Inc. $1,715,184 1.74% 173,251
BERKLEY W R CORP $1,476,684 1.50% 149,160
DELTEC ASSET MANAGEMENT LLC $998,000 1.01% 100,000
K2 PRINCIPAL FUND, L.P. $990,000 1.00% 100,000
Mint Tower Capital Management B.V. $990,000 1.00% 100,000
Periscope Capital Inc. $988,020 1.00% 99,800
Shaolin Capital Management LLC $898,177 0.91% 90,725
HEIGHTS CAPITAL MANAGEMENT, INC $594,000 0.60% 60,000
DLD Asset Management, LP $495,000 0.50% 50,000
Hudson Bay Capital Management LP $234,808 0.24% 23,718
ABC ARBITRAGE SA $199,600 0.20% 20,000
DV Trading LLC $99,000 0.10% 10,000
TrueMark Investments, LLC $99,000 0.10% 10,000
Arax Advisory Partners $39,600 0.04% 4,000
Key facts CIK 2082847 CUSIP G1368A104 13F (30d) 2 filings 2 filers