ICU

Seastar Medical Holding Corp$2.94 6.07%
Health CareUSCUSIP 81256L302· EOD Jun 5, 2026◍ Confluence graph
Tracked 13F Holders
5
13F Value (tracked)
$52K
Insider Net · 180d
$0
0↑ 0↓
Recent Filings
15
Smart-money sentimentBearish
BearishBullish
13F funds (latest Q)0 adding · 1 trimming
Insider net (180d)$0

Price & smart-money activity

$2.94 6.07%5Y -99.9%
$2.05$735.89$1,470$2,204$2,9372021202220232024202520266222232
Hover for who · click for detailEnd-of-day closing prices52w $2.21 – $12.70
Build

Use ICU data in an agent

The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.

Build

Ask your agent who owns ICU

This stock page is the Follow view. The Build view lets your agent query ICU owners, fund changes, insider filings, and source links through REST or MCP.

Copy-paste
curl -H "Authorization: Bearer YOUR_API_KEY" \
  "https://arkolith.com/api/v1/stocks/ICU"
Ask your agent
Use Arkolith to show who owns ICU,
which funds added or reduced it, and which
SEC filings prove each claim.

Top institutional holders

5 tracked 13F filers
#FundPosition valueSharesLast moveAs ofHistory
1VANGUARD FIDUCIARY TRUST CO
$51K
14K
New
+14K sh
Q1 2026
2NewEdge Advisors, LLC
$655
176
−90%
Reduced · −2K sh
Q1 2026
3TD Waterhouse Canada Inc.
$78
22
−90%
Reduced · −194 sh
Q1 2026
4SBI Securities Co., Ltd.
$52
14
−91%
Reduced · −134 sh
Q1 2026
5CWM, LLC
$4
1
Held
Q1 2026

Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.

Fund activity: latest quarter

Opened (NEW)
0
funds
Added
0
funds
Reduced
1
funds
Exited
0
funds

Insider activity (Form 4)

Full insider page →
Buys · 180d
$0
0 insiders
Sells · 180d
$0
0 insiders
Net
$0
0 P/S txns
Signal
Mixed
open-market
DateInsiderRoleActionSharesValue
Feb 6, 2026Neuman JohnDirectorGrant (A)3K$0
Feb 6, 2026Chung KevinChief Medical OfficerGrant (A)15K$0
Feb 6, 2026Towne Bradford KPrincipal Accounting OfficerGrant (A)8K$0
Feb 6, 2026Baird Jennifer ADirectorGrant (A)3K$0
Feb 6, 2026Schlorff EricChief Executive OfficerGrant (A)30K$0
Feb 6, 2026Vincent Bernadette NDirectorGrant (A)3K$0
Feb 6, 2026Van Heel KennethDirectorGrant (A)3K$0
Dec 19, 2025Baird Jennifer ADirectorBuy (P)4K$1K
Dec 9, 2025Messinger MichaelChief Financial OfficerBuy (P)15K$5K
Aug 27, 2025Van Heel KennethDirectorBuy (P)10K$9K
Aug 26, 2025Van Heel KennethDirectorBuy (P)25K$22K
Aug 22, 2025Chung KevinChief Medical OfficerBuy (P)10K$8K

Share classes

Class13F holdersValue held
ICUthis pageStock15 funds$489K
ICUCWWTS8 funds$931K
81256L203COM NEW1 funds$91K

Same issuer, multiple share classes. The consensus leaderboards count this company once across all classes; this is the per-class detail.

Funds that own ICU also own

CompanyCo-held byCombined value
APPLE INCAAPL4 funds$2.7B
NVIDIA CORPNVDA4 funds$2.4B
TORONTO-DOMINION BANKTD4 funds$1.9B
ROYAL BANK OF CANADARY4 funds$1.9B
MICROSOFT CORPMSFT4 funds$1.9B
ISHARES CORE S&P 500 ETFIVV4 funds$1.6B
AMAZON.COM INCAMZN4 funds$1.3B
SS SPDR S&P 500 ETF TRUST-USSPY4 funds$1.3B
ALPHABET INC-CL AGOOGL4 funds$1.2B
JPMORGAN CHASE & COJPM4 funds$1.1B
STE STR SPDR PT S&P 500 ETFSPYM4 funds$1.1B
ENBRIDGE INCENB4 funds$884.2M

Ranked by how many of ICU's institutional holders also hold each name, a cross-fund conviction signal. Via the MCP server (ticker.co_held).

Recent filings

15 shown

Browse more

13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for ICU. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes. Every panel above is one call to the Arkolith API & MCP server.