Stocks › Aerospace & Defense › MDA

MDA Space MDA

US equityMarket cap rank #2147Aerospace & Defense

$28.40 +$1.56 (+5.81%)

Market closed · Nov 6, 8:10 pm ET · Last extended-hours $28.41 +0.03%

Open$27.28

Prev close$26.84

Day range$26.06 – $28.71

Volume1.54M

Market cap$4.61B

P/E (TTM)53.8

Dividend yield–

Ownership & positioning

Who holds it, who is betting against it, and where the big money is moving

Institutional ownership71.1%-0.59 pts vs. prior quarter

Institutions holding261+2 vs. prior quarter

Insider trades (recent)3 buys / 0 sellsNet buying

Short interest3.14% of floatDays to cover 2.1 · as of 15 Oct 2026

Short-sale volume share15.6%5-day average of daily volume

Short-sale volume as % of daily volume

Large-order net flow, last 20 sessions

Net of large-order buying minus selling, in USD. Over this window: +$280.4K (12 inflow days, 8 outflow days).

Net flow by order size, last 20 sessions

Super/Big orders approximate institutional-size trades; Mid/Small approximate retail-size trades. Net buy minus sell value in each bucket, summed over the window.

The five largest holders on file together own 27.3% of shares outstanding.

Largest holders

CSG FIN a.s.9.48%
PPF Capital Management AS6.68%
Connor, Clark & Lunn Investment Management Ltd.4.77%
Capital Research3.18%
Vanguard Capital Management, LLC3.15%
Senvest Management, LLC2.70%
Van Eck Associates Corporation2.03%
FMR2.00%

By investor type

Mutual Fund45.87%
Private Company13.59%
Hedge Fund6.51%
Public Company2.12%
Government Pension Fund1.12%
Sovereign Wealth Fund1.08%
Individual/Insider1.04%
Insurance Company0.48%

Reported short interest has risen from 1.56% to 3.14% of float over the last 6 biweekly reports (31 Jul 2026 to 15 Oct 2026).

Recent institutional activity

Holder	Type	Period	Share change	New stake
CSG FIN a.s.	Private Company	2026/Q3	+15,356,219	9.5%
Pembroke Management Ltd.	Mutual Fund	2026/Q3	+427,064	0.6%
The Toronto-Dominion Bank	Public Company	2026/Q3	+272,974	0.7%
Montrusco Bolton Investments Inc.	Mutual Fund	2026/Q3	+203,450	0.3%
Tokio Marine Asset Management Co., Ltd.	Mutual Fund	2026/Q3	+302,000	0.9%
Van Eck Associates Corporation	Mutual Fund	2026/Q3	+1,473,571	2.0%
Tidal Investments LLC	Mutual Fund	2026/Q3	+1,294,285	0.8%
Schonfeld Strategic Advisors LLC	Hedge Fund	2026/Q3	+985,062	0.6%
Capital Research	Mutual Fund	2026/Q3	+904,038	3.2%
T. Rowe Price Group, Inc.	Mutual Fund	2026/Q3	+845,762	1.3%
Norges Bank Investment Management	Sovereign Wealth Fund	2026/Q3	+696,235	1.1%
Polar Capital Holdings Plc	Mutual Fund	2026/Q3	+624,205	0.4%
Vanguard Capital Management, LLC	Mutual Fund	2026/Q3	+521,240	3.1%
Point72 Asset Management, L.P.	Hedge Fund	2026/Q3	+491,309	0.7%
Morgan Stanley	Public Company	2026/Q3	+390,093	0.7%

Institutional buy/sell activity by reporting period, largest moves first.

Insider transactions

Date	Insider	Title	Transaction	Shares	Price	Held after
17 Aug 2026	Stephanie McDonald	Chief People, Culture & Transformation Officer	Acquisition Under Employee Benef	+52	$35.40	24,052
17 Aug 2026	Guillaume Lavoie	Chief Financial Officer	Acquisition Under Employee Benef	+20	$35.40	5,627
11 Jun 2026	Guillaume Lavoie	Chief Financial Officer	Acquisition Under Employee Benef	+18	$39.96	5,578

From Form 4/Form 144 filings. Negative share counts are disposals (sales, gifts, or shares withheld for taxes); positive are acquisitions.

Short interest, by report

Report date	Shares short	% of float	Days to cover
15 Oct 2026	5,093,102	3.1%	2.1
30 Sep 2026	4,933,330	3.0%	3.5
15 Sep 2026	4,395,904	2.7%	3.4
31 Aug 2026	2,858,256	1.8%	2.5
14 Aug 2026	2,111,280	1.3%	1.6
31 Jul 2026	2,519,116	1.6%	1.8

Discussion

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