MDA in the 13F filings

Mda Space LTD · CUSIP 55293N109

New listing in Q1 2026· first held by a tracked manager this quarter, so its new positions are allocations rather than a turn towards it

Sector · Industrials Theme · Aerospace and defence

Quarter

Q2 2026 Q1 2026

Quarter end: 31 Mar 2026; the date the book describes
Filed: 27 Oct 2026; latest of these filings; the earliest 12 May 2026
Managers listing it: 22; at least, of 95 tracked, among listed positions
Comparable managers: 91; filed both Q4 2025 and Q1 2026; 0 listed it in both
Shares listed: 12,852,689; combined, among listed positions
Reported value: $325m; combined, at the quarter end

AllianceBernstein LP. Values in this filing are at the previous quarter end's prices; its share count is the quarter end's.

Among the 91 comparable managers: 22 buyers (opened or added shares) and 0 sellers (trimmed or exited), at least, among listed positions. Their net change in shares was +12,852,689.

Managers listing MDA in Q1 2026

Share of 13F value is the position’s reported value over everything the manager reported that quarter. The share change is against Q4 2025, and only where both filings list the position. A rise in value with no rise in shares is the price, not buying.

ActionShare of book at least

22 of 22 holders

				Action		Filing
Fidelity (FMR LLC)	3,878,100	$98m	under 0.1%	New	new	15 May 2026 (the filing on sec.gov)
Capital World Investors	1,638,297	$42m	under 0.1%	New	new	13 May 2026 (the filing on sec.gov)
Artisan Partners LP	1,293,000	$33m	0.05%	New	new	13 May 2026 (the filing on sec.gov)
Arrowstreet Capital LP	1,118,547	$28m	under 0.1%	New	new	14 May 2026 (the filing on sec.gov)
Citadel Advisors LLC	863,824	$22m	under 0.1%	New	new	15 May 2026 (the filing on sec.gov)
T. Rowe Price Associates Inc	750,815	$19m	under 0.1%	New	new	15 May 2026 (the filing on sec.gov)
Point72 Asset Management LP	659,723	$17m	under 0.1%	New	new	15 May 2026 (the filing on sec.gov)
Holocene Advisors LP	593,223	$15m	under 0.1%	New	new	15 May 2026 (the filing on sec.gov)
Neuberger Berman Group LLC	502,610	$13m	under 0.1%	New	new	27 Oct 2026 (the filing on sec.gov)
Bridgewater Associates LP	279,580	$7.1m	under 0.1%	New	new	15 May 2026 (the filing on sec.gov)
Man Group PLC	238,024	$6.0m	under 0.1%	New	new	15 May 2026 (the filing on sec.gov)
Soros Fund Management LLC	200,000	$5.1m	0.06%	New	new	15 May 2026 (the filing on sec.gov)
D. E. Shaw & Co.	156,017	$4.0m	under 0.1%	New	new	15 May 2026 (the filing on sec.gov)
Balyasny Asset Management LLC	144,656	$3.7m	under 0.1%	New	new	15 May 2026 (the filing on sec.gov)
Jane Street Group LLC	121,937	$3.1m	under 0.1%	New	new	12 May 2026 (the filing on sec.gov)
Millennium Management LLC	118,989	$3.0m	under 0.1%	New	new	15 May 2026 (the filing on sec.gov)
Invesco Ltd	101,754	$2.6m	under 0.1%	New	new	12 May 2026 (the filing on sec.gov)
Element Capital Management LLC	72,276	$1.8m	0.17%	New	new	12 May 2026 (the filing on sec.gov)
Brevan Howard Capital Management LP	48,028	$1.2m	under 0.1%	New	new	15 May 2026 (the filing on sec.gov)
Woodline Partners LP	46,093	$1.2m	under 0.1%	New	new	15 May 2026 (the filing on sec.gov)
AllianceBernstein LP	17,196	$434k	under 0.1%	New	new	15 May 2026 (the filing on sec.gov)
Tudor Investment Corp	10,000	$253k	under 0.1%	New	new	15 May 2026 (the filing on sec.gov)

Largest increases and reductions, by shares

There is no earlier quarter on file to compare with.

Increases

Fidelity (FMR LLC)new position · 3,878,100 shares now+3,878,100
Capital World Investorsnew position · 1,638,297 shares now+1,638,297
Artisan Partners LPnew position · 1,293,000 shares now+1,293,000
Arrowstreet Capital LPnew position · 1,118,547 shares now+1,118,547
Citadel Advisors LLCnew position · 863,824 shares now+863,824

Reductions

No reduction among listed positions.

New positions and exits

At least these many: a manager is shown exiting only where its own filing shows the position gone.

New (22)

Exited (0)

No exit shown by a manager’s own filing.

Ownership over time

Every quarter on file. A quarter-end value moves with the price as well as with the shares held; buyers and sellers count comparable managers, by shares.

6 in Q1 2026 to 5 in Q2 2026

Tracked managers listing it, at least.

the quarter shown share split complete books; unmarked quarters rest on listed positionsClick a quarter to open it.

Compare with…

Holders over time, buyers and sellers, and the managers holding both, side by side for up to four stocks.

MDA and RTX →MDA and BA →MDA and TDG →Choose a stock to compare with MDA →

How much of the picture this is

A 13F is a manager’s long US-listed equity book at a quarter end, filed up to 45 days later. It shows no shorts, cash, bonds or performance, and it is never today’s portfolio. Large books are listed to their largest positions, so a manager missing from this table may still hold a small position below that line. These are 95 tracked managers, not the institutional market.

Which funds own MDA, latest filings →Back to the 13F Explorer →

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MDA by quarter
Quarter	Holders	Reported value	Buyers	Sellers
Q1 2026	6	$103m	22	0
Q2 2026	5	$216m	15	14