Ticker · CUSIP 09247D105

XBKNX

CEF

BLACKROCK INVT QUALITY MUN T

···Share

Holders (tracked)

Combined shares

19,908

Combined value

$223.0K

Last close

—

Quarter

2025Q4

Tracked holders · last 8 quarters

Flat over the last 2 quarters.

SEC event timeline

1 events

Ken Griffin (Citadel Advisors) opened position2026-02-17
+19,908 shares · 2025Q4
13F

Insider activity

No insider transactions in the last 30 days.

View full insider history for XBKNX →

Who moved on this name in 2025Q4

13F transactions reported for the latest quarter, grouped by direction.

New positions1

Ken Griffin (Citadel Advisors)
+19,908
$223K

Added to0

—

Trimmed0

—

Exited0

—

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.

Quarter	Holders	Shares	Combined value	Δ holders
2021Q4	1	13,467	$234K	—
2025Q4	1	19,908	$223K	—

Who owns XBKNX

1 super-investors · 2025Q4

Tracked stake

19.9K

Combined value

$223K

% of shares outstanding

—

shares-out unknown

Quarter action mix

New1

#	Manager	Shares	Value	% of book	Last action	8Q trend
1	Ken Griffin Citadel Advisors	19.9K	$223K	0.0%	New+19.9K	—

Recent moves

3 transactions

NEWKen Griffin (Citadel Advisors)
+19,908 · 2025Q4
SOLDIzzy Englander (Millennium Mgmt)
−13,467 · 2022Q1
NEWIzzy Englander (Millennium Mgmt)
+13,467 · 2021Q4

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