BLCN

Siren NXGN Ecnmy ETF-Usd IncETF
UnclassifiedCUSIP 829658202

Among active 13F managers last quarter, 1 opened and 2 added, while 2 reduced; the largest holder to move was Glass Jacobson Investment Advisors llc (−33%).

Tracked 13F holders
27
10 in Q2 2026 filings
13F value (tracked)
$2.6M
13F moves · latest Q
3 added
2 reduced

Who owns BLCN?

27 tracked 13F filers · ranked by shares held

27 tracked 13F filers disclose a position in BLCN as of the latest SEC 13F filings, a combined $2.6M in reported value. 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.

#FundSharesPosition valueLast moveAs ofHistory
1LPL Financial LLC34K
$715K
+0.9%
Added · +306 sh
Q1 2026
2Mercer Global Advisors Inc20K
$423K
New
+20K sh
Q1 2026
3Susquehanna International Group, LLP20K
$422K
+110%
Added · +11K sh
Q1 2026
4Glass Jacobson Investment Advisors llc13K
$323K
−33%
Reduced · −6K sh
Q2 2026
5Commonwealth Equity Services, LLC12K
$248K
−3.3%
Reduced · −405 sh
Q1 2026
6Osaic Holdings, Inc.10K
$205K
−21%
Reduced · −3K sh
Q1 2026
7Rockefeller Capital Management L.P.3K
$66K
Held
Q1 2026
8CWM, LLC1K
$30K
Held
Q1 2026
9Allworth Financial LP1K
$26K
Held
Q1 2026
10UBS Group AG1K
$26K
+482%
Added · +1K sh
Q1 2026
11Atlantic Union Bankshares Corp1K
$30K
Held
Q2 2026
12Integrated Wealth Concepts LLC844
$21K
New
+844 sh
Q2 2026
13IFP Advisors, Inc650
$16K
−3.0%
Reduced · −20 sh
Q2 2026
14Northwestern Mutual Wealth Management Co410
$9K
+95%
Added · +200 sh
Q1 2026
15International Assets Investment Management, LLC276
$7K
+352%
Added · +215 sh
Q2 2026
16Harbour Investments, Inc.274
$6K
+116%
Added · +147 sh
Q1 2026
17Main Street Group, LTD258
$7K
Held
Q2 2026
18Asset Dedication, LLC244
$6K
Held
Q2 2026
19Aberdeen Wealth Management LLC200
$5K
New
+200 sh
Q2 2026
20IAG Wealth Partners, LLC128
$3K
Held
Q2 2026
21Cedar Mountain Advisors, LLC107
$3K
Held
Q2 2026
22Parallel Advisors, LLC101
$2K
Held
Q1 2026
23Federation des caisses Desjardins du Quebec100
$2K
Held
Q2 2026
24Morgan Stanley97
$2K
+2.1%
Added · +2 sh
Q1 2026
25Elevation Wealth Partners, LLC50
$1K
Held
Q2 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.

Is BLCN being bought or sold by institutions?

Last quarter, 1 fund opened a new position in BLCN and 2 added to an existing one, while 2 reduced. Based on 13F filings from active, signal-eligible managers (passive index funds and other mechanical holders are excluded from this count).

Opened
1
fund took a first position
Added
2
added to an existing position
Reduced
2
reduced, still holding
Biggest moves · ranked by size of the change, positions above a floor

Funds that own BLCN also own

CompanyCo-held byTheir position there
Ishares Core S&P 500 ETFIVV9 funds$1.4B
Apple IncAAPL9 funds$894.1M
Nvidia CorpNVDA9 funds$723.7M
Vanguard S&P 500 ETFVOO9 funds$612.2M
Invesco QQQ Trust Series 1QQQ9 funds$449.1M
Microsoft CorpMSFT9 funds$399.1M
Amazon.com IncAMZN9 funds$363.7M
Vanguard Ftse Developed ETFVEA9 funds$323.5M
Alphabet Inc-CL AGOOGL9 funds$289.4M
Alphabet Inc-CL CGOOG9 funds$283.5M
SS SPDR S&P 500 ETF Trust-USSPY9 funds$260.1M
Vanguard Total Stock MKT ETFVTI9 funds$216.7M

Ranked by how many of BLCN's tracked holders also hold each name. The last column is those co-holders' combined reported position in that name, not in BLCN.

Institutional ownership over time

10 tracked filers in Q2 2026 filingsstill filing
01938Q3 2024Q1 2025Q3 2025Q1 2026Q2 2026
tracked filers holding their reported valueQ2 2026 filings so far: $392K
Each bar counts tracked filers with a position in that quarter's filings, so the newest bar excludes filers still on an earlier quarter. Arkolith's tracked universe has grown over this window; part of any long-run rise is coverage, not new buyers.

Share classes

Class13F holdersValue held
LEADMF Closed and MF Open27 funds$34.4M
BLCNthis pagemc27 funds$2.6M

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

Recent filings

0 most recent

No filings captured for this ticker in the live stream yet.

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Ask your agent what changed in BLCN

This ETF page is the public Follow view. For one current, evidence-backed answer, use capital_change_brief through REST or MCP. It compares tracked 13F changes with qualifying Form 4 activity and cites the SEC evidence.

Copy-paste
curl -H "Authorization: Bearer YOUR_API_KEY" \
  "https://arkolith.com/api/v1/stocks/BLCN/capital-change-brief"
Ask your agent
Use Arkolith's capital_change_brief for BLCN.
Tell me what changed, whether insider activity
corroborates it, and cite the SEC evidence.

13F holdings + quarter-over-quarter ownership changes + the live filing stream, joined for BLCN. Filings are public domain, sourced to SEC EDGAR.