Company · Ownership research

Alpha Cognition Inc. ACOG

CIK 0001655923 · CUSIP 02074J501

Insider trading Initial holdings Institutional holders

Quarter-end disclosures, not live holdings.

Top 20 institutions

Weight means this stock's share of the manager's own portfolio.

By reported value

#	Manager	Value	Manager weight	Change vs prior	Source
01	ESSEX INVESTMENT MANAGEMENT CO LLC CIK 201772 · View history	$3.81M 422,858 shares	0.56%	+422.86KNew	SEC filing ↗ Oct 19, 2026	▾
02	Legato Capital Management LLC CIK 1442641 · View history	$1.16M 129,391 shares	0.10%	+129.39KNew	SEC filing ↗ Nov 10, 2026	▾
03	VILLERE ST DENIS J & CO LLC CIK 1113629 · View history	$631.42K 70,158 shares	0.08%	-1.00K(-1.40%)Reduced	SEC filing ↗ Nov 4, 2026	▾
04	SEI INVESTMENTS CO CIK 350894 · View history	$604.16K 67,129 shares	0.00%	+67.13KNew	SEC filing ↗ Nov 10, 2026	▾
05	ACT Capital Partners, L.P. CIK 1875197 · View history	$463.50K 51,500 shares	0.31%	—	SEC filing ↗ Nov 6, 2026	▾
06	JANE STREET GROUP, LLC CIK 1595888 · View history	$258.13K 28,681 shares	0.00%	+28.68KNew	SEC filing ↗ Nov 12, 2026	▾
07	DIMENSIONAL FUND ADVISORS LP CIK 354204 · View history	$212.97K 23,743 shares	0.00%	+23.74KNew	SEC filing ↗ Nov 4, 2026	▾
08	Pekin Hardy Strauss, Inc. CIK 1020317 · View history	$210.15K 23,350 shares	0.02%	+23.35KNew	SEC filing ↗ Nov 2, 2026	▾
09	BERKSHIRE ASSET MANAGEMENT LLC/PA CIK 949012 · View history	$178.42K 19,824 shares	0.01%	0(0.00%)Unchanged	SEC filing ↗ Nov 10, 2026	▾
10	GEODE CAPITAL MANAGEMENT, LLC CIK 1214717 · View history	$128.76K 14,307 shares	0.00%	+2.31K(+19.30%)Added	SEC filing ↗ Nov 6, 2026	▾
11	AXQ CAPITAL, LP CIK 1916908 · View history	$120.75K 13,417 shares	0.02%	+13.42KNew	SEC filing ↗ Nov 12, 2026	▾
12	RAYMOND JAMES FINANCIAL INC CIK 720005 · View history	$90.00K 10,000 shares	0.00%	0(0.00%)Unchanged	SEC filing ↗ Nov 12, 2026	▾
13	Jacobi Capital Management LLC CIK 1689646 · View history	$18.00K 2,000 shares	0.00%	+2.00KNew	SEC filing ↗ Nov 5, 2026	▾
14	SIMPLEX TRADING, LLC CIK 1488542 · View history	$8.14K 904 shares	0.00%	+904New	SEC filing ↗ Nov 4, 2026	▾
15	Allworth Financial LP CIK 1555170 · View history	$5.42K 750 shares	0.00%	0(0.00%)Unchanged	SEC filing ↗ Nov 6, 2026	▾
16	HARBOUR INVESTMENTS, INC. CIK 810121 · View history	$309.00 34 shares	0.00%	-13(-27.70%)Reduced	SEC filing ↗ Nov 9, 2026	▾
17	JPMORGAN CHASE & CO CIK 19617 · View history	$35.00 4 shares	0.00%	+4New	SEC filing ↗ Nov 12, 2026	▾

Showing 17 / 17 institutions. The complete set is available through the API.

Coverage & totals by quarter

Reporting institutions

Cancelled or null records excluded

Disclosed shares

878,050

Not deduplicated across managers

Disclosed value

$7.90M

Not market cap or free float

Reporting institutions by quarter

Counts also change with data coverage and reporting entities; they do not measure net buying. Distinct managers with a live stock row in this CUSIP; totals may include overlapping filings and are not a share of the company.

Alpha Cognition Inc. · Q3 2026

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This page includes 17 of 17 reporting institutions. Log in to look up the full history beyond 3 years, use advanced screening & filtering, download CSV, and get the complete set through the Akkru API.

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Figures are as reported to the SEC and merged with later amendments where Akkru could match them. Preview limits apply to what is listed, not to the totals, which come from the complete reported data. Nothing is zero-filled: a missing quarter or month is shown as missing.