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SC 13G ·Filed Oct 6, 2026

WAVE

Eco Wave Power Global AB (publ)
NEUTRAL
Impact 4/10
Horizonweeks Processed20d ago SEC0001104659-26-114131
Passive investor 5%+ stake
Actionable Insight • Neutral

Monitor for any subsequent conversion to a Schedule 13D (activist filing) or further stake increases, as Citadel's large passive position could precede a more active engagement. The 9.99% holding is just under the 10% threshold that would trigger additional disclosure requirements.

DirectionNeutral
Confidencehigh
Horizonweeks
Latest settled — T+5d
WAVE ▼ -10.34% at T+5d
NEUTRAL call -10.34% · α vs SPY -9.36% · entry $5.90 → $5.29
Next anchor: T+20d in 8d
Latest observation: T+12 -11.47% FF3 residual α
Entry = T+0 close
Oct 6, 2026
via day close
T+1d
-2.03%
call -2.03% · α -1.61%
$5.78
settled 19d ago
T+5d
-10.34%
call -10.34% · α -9.36%
$5.29
settled 13d ago
T+20d
Pending
in 8d
T+60d
Pending
in 2mo

Price Chart

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Executive Summary

Citadel Advisors LLC and affiliates, including Kenneth Griffin, disclosed a passive 9.85% beneficial ownership stake in Eco Wave Power Global AB (publ) via a Schedule 13G filed October 6, 2026, as of June 30, 2026. The stake comprises 5,106,671 American Depositary Shares held by Citadel Advisors and 70,544 held by Citadel Securities, with Griffin deemed to own 9.99% total. The filing is passive under Rule 13d-1(b) with no intent to influence control, but the large position from a major multi-strategy fund signals conviction in the wave energy company.

Key Financial Metrics

Stake
9.85%
Investor
Citadel Advisors LLC
Investor Type
hedge fund

Key Facts

  • Citadel Advisors LLC and affiliates filed a Schedule 13G disclosing beneficial ownership of 5,177,215 American Depositary Shares (each representing 8 common shares) in Eco Wave Power Global AB (publ).
  • The stake represents 9.99% of shares outstanding as calculated by the filer, based on 51,823,979 shares outstanding (including 1,906,671 shares issuable upon conversion of certain warrants).
  • The filing is made under Rule 13d-1(b), indicating passive investment intent with no purpose of changing or influencing control.
  • Citadel Advisors LLC is deemed to beneficially own 5,106,671 shares (9.85%), Citadel Securities LLC owns 70,544 shares (0.14%), and Kenneth Griffin is deemed to own 5,177,215 shares (9.99%).
  • The filing date is October 6, 2026, with beneficial ownership as of June 30, 2026.

Financial Impact

9.99% passive stake in a micro-cap wave energy company; no transaction value disclosed.

ownership_percentage

Risk Factors

  • Passive filing status could change if Citadel later engages with management or seeks board representation.
  • Micro-cap liquidity risk — a position of this size could be difficult to exit without price impact.

Investment Themes

Traditional Energy

Documents Analyzed

This report is based on 4 SEC documents filed with EDGAR.

DocumentAccession Number
SC 13G Filing (Primary)0001104659-26-114131
Document: 0001104659-26-114131-index-headers.html0001104659-26-114131
Document: 0001104659-26-114131-index.html0001104659-26-114131
Document: 0001104659-26-114131.txt0001104659-26-114131
17 reports for WAVE
Performance horizon
33% Hit rate @ T+60 1 of 3 directional calls Went positive at some point 1 of 3 best @ T+60▲ +57.02%Apr 7, 2026
Filters
Rows
Reports for WAVE — sortable, filterable
TypeNow
Oct 6, 2026
20d ago
SC 13G
NEUTRAL ★ 4/10
$5.90awaiting T+60—$4.75 (−19.49%)
Sep 22, 2026
4w ago
6-K
NEUTRAL ★ 3/10
$6.51awaiting T+60—$4.75 (−27.04%)
Sep 2, 2026
7w ago
6-K
NEUTRAL ★ 3/10
$6.10awaiting T+60—$4.75 (−22.13%)
Aug 17, 2026
10w ago
6-K
NEUTRAL ★ 4/10
$6.97awaiting T+60—$4.75 (−31.85%)
Aug 13, 2026
10w ago
6-K
NEUTRAL ★ 4/10
$7.08awaiting T+60—$4.75 (−32.91%)
Aug 11, 2026
10w ago
6-K
NEUTRAL ★ 4/10
$7.25awaiting T+60—$4.75 (−34.44%)
Jul 21, 2026
13w ago
6-K
NEUTRAL ★ 3/10
$8.26 $5.52▼ −33.17%▼ −37.15%$4.75 (−42.49%)
Jul 16, 2026
14w ago
6-K
BULLISH ★ 5/10
$8.85 $5.86▼ −33.79%▼ −37.50%$4.75 (−46.33%)
Jun 30, 2026
16w ago
6-K
NEUTRAL ★ 2/10
$8.52 $6.09▼ −28.52%▼ −31.48%$4.75 (−44.25%)
Jun 29, 2026
17w ago
6-K
NEUTRAL ★ 5/10
$8.83 $6.51▼ −26.27%▼ −30.66%$4.75 (−46.21%)
Showing 10 of 17

US Market Status

Market Closed — Opens Tue (< 1m)

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Report published Oct 6, 2026