Centurion Acquisition ALF Institutional Ownership

NASDAQ ALF

$10.82 -0.10 (-0.92%)

At close: Sep 29, 2026 · 4:00 PM EDT

Institutions by Trading Activity

15 Institutions

Increased 5 33.3%

Unchanged 6 40.0%

Reduced 4 26.7%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

10.80%

▼-28.75 pp QoQ

Shares Held by Institutions

5.91Mn

of 54.75Mn outstanding

▼-9.40% QoQ

Shares Outstanding

54.75Mn

48.84Mn held outside 13F filers

Institutional Investors

filed 13F for Jun 2026

▼-34 vs prior quarter

Net Shares Added (QoQ)

-613.59K

distributed since last quarter

Value of Holdings

$63.96Mn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Quarter ending 30 Jun, 2026

Centurion Acquisition Corp. (NASDAQ:ALF) has 15 institutional investors that have filed 13F reports for the period ending June 2026.

These investors held 10.8% of outstanding shares in June 2026, down from 39.5% in March 2026.
They decreased total shares held in ALF by -9.4% quarter over quarter, and investors in Centurion Acquisition decreased 63.41% from a year ago.
Of these 15 holders, 5 added to their stakes in Centurion Acquisition, 4 trimmed positions, and 6 made no changes.
In total, institutional investors held 5.91Mn shares in Centurion Acquisition as of June 2026, down by 613.59K shares quarter on quarter, and down 21.24Mn shares year over year.
As of June 30, 2026, the biggest holder of Centurion Acquisition is MIZUHO SECURITIES USA LLC at 1.36Mn shares, representing 2.49% of shares outstanding.
Top purchasers of ALF stock for the quarter ending June 2026 included Context Capital Management, LLC (500.0K), HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND (500.0K), CITADEL ADVISORS LLC (12.07K), SUSQUEHANNA INTERNATIONAL GROUP, LLP (6.07K), Caitong International Asset Management Co., Ltd (2).
The biggest sellers of Centurion Acquisition for the quarter ending June 2026 included LMR Partners LLP (875.0K), AQR Arbitrage LLC (751.9K), Clear Street Group Inc. (4.8K), Morgan Stanley (26).
Business Quant data shows the 10 biggest positions in Centurion Acquisition as of June 2026 are held by MIZUHO SECURITIES USA LLC (1.36Mn), LINDEN ADVISORS LP (1.0Mn), AQR Arbitrage LLC (1000.0K), Polar Asset Management Partners Inc. (925.0K), Context Capital Management, LLC (500.0K), HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND (500.0K), LMR Partners LLP (500.0K), Kepos Capital LP (42.5K), ABC ARBITRAGE SA (30.0K), SUSQUEHANNA INTERNATIONAL GROUP, LLP (21.73K).

Form 13F Holdings

15 Institutional Holders

Report period 30 Jun, 2026

Total shares held 5.91Mn

Of outstanding 10.80%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	MIZUHO SECURITIES USA LLC	0000812291	1,363,111	2.49%	0	0.00%	$14.61Mn
2	LINDEN ADVISORS LP	0001279396	1,000,000	1.83%	0	0.00%	$10.81Mn
3	AQR Arbitrage LLC	0001167456	999,999	1.83%	▼751,903	-42.92%	$10.81Mn
4	Polar Asset Management Partners Inc.	0001326389	925,000	1.69%	0	0.00%	$10.06Mn
5	Context Capital Management, LLC	0001301396	500,000	0.91%	▲500,000	0.00%	$5.44Mn
5	HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND	0001535845	500,000	0.91%	▲500,000	0.00%	$5.41Mn
5	LMR Partners LLP	0001578621	500,000	0.91%	▼875,000	-63.64%	$5.44Mn
6	Kepos Capital LP	0001512020	42,500	0.08%	0	0.00%	$461
7	ABC ARBITRAGE SA	0002049221	30,000	0.05%	0	0.00%	$326.40K
8	SUSQUEHANNA INTERNATIONAL GROUP, LLP	0001446194	21,730	0.04%	▲6,069	+38.75%	$234.90K
9	Clear Street Group Inc.	0001881567	12,326	0.02%	▼4,800	-28.03%	$134.11K
10	CITADEL ADVISORS LLC	0001423053	12,068	0.02%	▲12,068	0.00%	$130.46K
11	LONGFELLOW INVESTMENT MANAGEMENT CO LLC	0001167487	4,150	0.01%	0	0.00%	$45.15K
12	Morgan Stanley	0000895421	38	0.00%	▼26	-40.63%	$411
13	Caitong International Asset Management Co., Ltd	0001963355	2	0.00%	▲2	0.00%	$22