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BLCN

Siren ETF Trust Siren NexGen Economy ETF
BLCN

Delisted

BLCN was delisted on the 14th of July, 2026.

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33 hedge funds and large institutions have $3.11M invested in Siren ETF Trust Siren NexGen Economy ETF in 2026 Q1 according to their latest regulatory filings, with 3 funds opening new positions, 8 increasing their positions, 3 reducing their positions, and 7 closing their positions.

New
Increased
Maintained
Reduced
Closed

167% more repeat investments, than reductions

Existing positions increased: 8 | Existing positions reduced: 3

0.96% more ownership

Funds ownership: 9.26% → 10.22% (+0.96%)

11% less funds holding

Funds holding: 37 → 33 (-4)

12% less capital invested

Capital invested by funds: $3.52M → $3.11M (-$405K)

57% less first-time investments, than exits

New positions opened: 3 | Existing positions closed: 7

Holders
33
Holders Change
-4
Holders Change %
-10.81%
% of All Funds
0.41%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
3
Increased
8
Reduced
3
Closed
7
Calls
$15K
Puts
–
Net Calls
+$15K
Net Calls Change
-$62K

Top Buyers

1
Mercer Global Advisors
Mercer Global Advisors
Colorado
+$467K
2
Susquehanna International Group
Susquehanna International Group
Pennsylvania
+$244K
3
AUB
Atlantic Union Bankshares
Virginia
+$26.9K
4
UBS Group
UBS Group
Switzerland
+$23.4K
5
LPL Financial
LPL Financial
California
+$7.1K

Top Sellers

1
Jane Street
Jane Street
New York
-$555K
2
Osaic Holdings
Osaic Holdings
Arizona
-$60.3K
3
KAS
Kestra Advisory Services
Texas
-$55.7K
4
Commonwealth Equity Services
Commonwealth Equity Services
Massachusetts
-$9.39K
5
IAIM
International Assets Investment Management
Florida
-$4.99K
Name Holding Trade Value Shares
Change 		Change in
Stake
LPL Financial
1
LPL Financial
California
$715K +$7.1K +306 +0.9%
Lido Advisors
2
Lido Advisors
California
$447K – – –
Mercer Global Advisors
3
Mercer Global Advisors
Colorado
$423K +$467K +20,130 New
Susquehanna International Group
4
Susquehanna International Group
Pennsylvania
$422K +$244K +10,522 +110%
GJIA
5
Glass Jacobson Investment Advisors
Maryland
$398K +$4.31K +186 +1%
Commonwealth Equity Services
6
Commonwealth Equity Services
Massachusetts
$248K -$9.39K -405 -3%
Osaic Holdings
7
Osaic Holdings
Arizona
$205K -$60.3K -2,600 -21%
Rockefeller Capital Management
8
Rockefeller Capital Management
New York
$66.2K – – –
Carson Wealth (CWM LLC)
9
Carson Wealth (CWM LLC)
Nebraska
$30.5K – – –
AF
10
Allworth Financial
California
$26.1K – – –
UBS Group
11
UBS Group
Switzerland
$25.5K +$23.4K +1,008 +482%
AUB
12
Atlantic Union Bankshares
Virginia
$25.2K +$26.9K +1,161 +2,903%
IA
13
IFP Advisors
Florida
$14.1K – – –
Northwestern Mutual Wealth Management
14
Northwestern Mutual Wealth Management
Wisconsin
$8.61K +$4.64K +200 +95%
HI
15
Harbour Investments
Wisconsin
$5.75K +$3.41K +147 +116%
SIC
16
SJS Investment Consulting
Ohio
$5.44K – – –
MSG
17
Main Street Group
Virginia
$5.41K +$5.98K +258 New
ADL
18
Asset Dedication LLC
California
$5.13K – – –
SPIA
19
Steward Partners Investment Advisory
New York
$5.02K – – –
SIS
20
Sound Income Strategies
Florida
$4.86K – – –
FDW
21
Fourth Dimension Wealth
Ohio
$4.2K – – –
WPA
22
Wealth Preservation Advisors
Tennessee
$4.11K – – –
MCM
23
MAI Capital Management
Ohio
$3.15K – – –
IWP
24
IAG Wealth Partners
Wisconsin
$2.69K – – –
CMA
25
Cedar Mountain Advisors
Oregon
$2.24K – – –
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BLCN Hedge Fund Activity: Q1 2026 in Review

33 of the 8,126 institutional investors tracked by Wall St. Rank reported a position in Siren ETF Trust Siren NexGen Economy ETF (BLCN) for Q1 2026, worth a combined $3.11M — down 12% from $3.52M a quarter earlier.

Sellers outnumbered buyers: 7 funds closed out of BLCN and 3 opened new positions — a net loss of 4 holders — while 3 trimmed existing stakes and 8 added.

The largest buyer was Mercer Global Advisors, opening a new position worth an estimated $467K. The largest seller was Jane Street, exiting entirely with an estimated $555K sold.

  • 33 institutional investors held Siren ETF Trust Siren NexGen Economy ETF (BLCN) as of Q1 2026, down from 37 in Q4 2025.
  • Funds reported $3.11M of Siren ETF Trust Siren NexGen Economy ETF stock for Q1 2026, down 12% quarter-over-quarter.
  • 3 funds opened new Siren ETF Trust Siren NexGen Economy ETF positions in Q1 2026 and 7 closed out, a net change of -4 holders.
  • The largest Siren ETF Trust Siren NexGen Economy ETF buyer in Q1 2026 was Mercer Global Advisors, an estimated $467K added.
  • The largest Siren ETF Trust Siren NexGen Economy ETF seller in Q1 2026 was Jane Street, an estimated $555K sold.

Based on aggregated 13F filings for Q1 2026.