Spectral AI

MDAI · NASDAQ

$1.51−$0.01 (−0.66%)TodayMarket closed · Oct 20, 7:30 PM ET

Prev close $1.52

Who owns MDAI

Largest institutional holders, from their latest 13F filings

The 10 largest institutions hold 27.6% of MDAI’s shares.

DiMaio (John Michael)8.7%
Hudson Bay Capital Management LP4.8%
Vanguard Capital Management, LLC3.1%
Highlander Partners, L.P.2.8%
Next 6 largest institutions8.1%
All other shareholders72.4%

Top institutional holders of MDAI
Holder	Shares	% of shares	Change, last filing	Filed
DiMaio (John Michael)	2.77M	8.70%	+35.00K	Aug 13, 2026
Hudson Bay Capital Management LP	1.53M	4.80%	+1.53M	Apr 14, 2026
Vanguard Capital Management, LLC	994.41K	3.13%	+268.12K	Jun 30, 2026
Highlander Partners, L.P.	900.00K	2.83%	+0	Jun 30, 2026
Marshall Wace LLP	827.45K	2.60%	+827.45K	Jun 30, 2026
Spangenberg Erich L	736.13K	2.31%	+0	Apr 14, 2026
Bridgeway Capital Management, LLC	287.00K	0.90%	+88.00K	Jun 30, 2026
Capone (Vincent S)	286.45K	0.90%	+125.00K	Apr 24, 2026
Jane Street Capital, L.L.C.	226.32K	0.71%	+5.32K	Jun 30, 2026
Geode Capital Management, L.L.C.	222.59K	0.70%	−78.61K	Jun 30, 2026

Largest mutual fund holders

Top mutual fund holders of MDAI
Holder	Shares	% of shares	Change, last filing	Filed
Vanguard Total Stock Market Index Fund	733.17K	2.30%	+0	Jul 31, 2026
Bridgeway Ultra-Small Company Fund	287.00K	0.90%	+88.00K	Jun 30, 2026
Vanguard Extended Market Index Fund	247.50K	0.78%	+0	Jul 31, 2026
Fidelity Extended Market Index Fund	115.64K	0.36%	−216	Jul 31, 2026
iShares Micro-Cap ETF	93.18K	0.29%	+1.21K	Aug 31, 2026

Insider trades

Form 4 filings by officers, directors and large holders

Insiders made no open-market buys or sales of MDAI in the last 6 months.

Latest MDAI insider transactions
Insider	Date	Type	Shares	Price	Value
DiMaio John Michael	Sep 28, 2026	Award	32.00K	$1.62	$51.84K
DiMaio John Michael	Sep 23, 2026	Award	60.00K	$1.67	$100.20K
DiMaio John Michael	Sep 21, 2026	Award	21.01K	$1.69	$35.51K
DiMaio John Michael	Sep 18, 2026	Award	10.99K	$1.61	$17.69K
DiMaio John Michael	Sep 11, 2026	Award	22.00K	$1.59	$34.98K
DiMaio John Michael	Sep 10, 2026	Award	10.00K	$1.56	$15.60K
DiMaio John Michael	Aug 13, 2026	Award	35.00K	$1.64	$57.40K
DiMaio John Michael	May 29, 2026	Award	15.00K	$2.12	$31.80K
DiMaio John Michael	May 28, 2026	Award	2.50K	$2.36	$5.90K
DiMaio John Michael	May 26, 2026	Award	32.23K	$2.61	$84.13K

Short interest

Settled Sep 30, 2026

Shares short: 2.35M
Days to cover: 18.08
% of shares outstanding: 7.37%
Average daily volume: 129.68K
Change since last report: +6.8%

Information on this page is provided for informational purposes only and is not a recommendation to buy, sell or hold any security. Investing involves risk, including possible loss of principal. Market data is delayed at least 15 minutes and is provided without warranty. Analyst ratings, price targets and company data come from third-party sources. Past performance does not guarantee future results.