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YSS

York Space Systems
YSS

140 hedge funds and large institutions have $1.38B invested in York Space Systems in 2026 Q1 according to their latest regulatory filings, with 140 funds opening new positions, increasing their positions, reducing their positions, and closing their positions.

New
Increased
Maintained
Reduced
Closed

48.63% more ownership

Funds ownership: 0% → 48.63% (+49%)

23% less call options, than puts

Call options by funds: $7.96M | Put options by funds: $10.4M

Holders
140
Holders Change
+140
Holders Change %
–
% of All Funds
1.72%
Holding in Top 10
2
Holding in Top 10 Change
+2
Holding in Top 10 Change %
% of All Funds
0.02%
New
140
Increased
–
Reduced
–
Closed
–
Calls
$7.96M
Puts
$10.4M
Net Calls
-$2.41M
Net Calls Change
-$2.41M

Top Buyers

Rank Fund Capital Flow
1
BlackRock
BlackRock
New York
+$461M
2
AIP
AE Industrial Partners
Florida
+$274M
3
Allianz Asset Management
Allianz Asset Management
Germany
+$66.1M
4
Bank of New York Mellon
Bank of New York Mellon
New York
+$40.8M
5
ClearBridge Investments
ClearBridge Investments
New York
+$32.6M

Top Sellers

No sellers this quarter
Name Holding Trade Value Shares
Change 		Change in
Stake
Temasek Holdings
26
Temasek Holdings
Singapore
$9.98M +$10.9M +450,000 New
Geode Capital Management
27
Geode Capital Management
Massachusetts
$9.49M +$10.4M +428,080 New
SEI Investments
28
SEI Investments
Pennsylvania
$9.21M +$10.1M +415,456 New
WHG
29
Westwood Holdings Group
Texas
$9.07M +$9.92M +409,186 New
GCM
30
Ghisallo Capital Management
Massachusetts
$9.04M +$9.89M +407,837 New
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
31
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$8.87M +$9.7M +400,000 New
RC
32
Roubaix Capital
Colorado
$8.49M +$9.29M +382,906 New
American Century Companies
33
American Century Companies
Missouri
$8.08M +$8.84M +364,550 New
Franklin Resources
34
Franklin Resources
California
$7.97M +$8.72M +359,679 New
State Street
35
State Street
Massachusetts
$7.67M +$8.39M +346,049 New
Balyasny Asset Management
36
Balyasny Asset Management
Illinois
$6.76M +$7.4M +305,038 New
OAM
37
Ophir Asset Management
Australia
$6.67M +$7.29M +300,664 New
Alyeska Investment Group
38
Alyeska Investment Group
Illinois
$6.4M +$7M +288,632 New
Federated Hermes
39
Federated Hermes
Pennsylvania
$6.4M +$7M +288,500 New
CP
40
CenterBook Partners
Connecticut
$6.4M +$7M +288,474 New
Morgan Stanley
41
Morgan Stanley
New York
$6.29M +$6.88M +283,663 New
AGM
42
Alpine Global Management
New York
$5.48M +$5.99M +247,079 New
LP
43
Longaeva Partners
Illinois
$4.66M +$5.09M +210,000 New
RCAP
44
Resolute Capital Asset Partners
Colorado
$4.53M +$4.95M +204,206 New
WAM
45
Weiss Asset Management
Massachusetts
$4.48M +$4.9M +202,156 New
Hudson Bay Capital Management
46
Hudson Bay Capital Management
Connecticut
$4.37M +$4.78M +197,121 New
NCGI
47
Next Century Growth Investors
Minnesota
$4.25M +$4.65M +191,817 New
New York State Common Retirement Fund
48
New York State Common Retirement Fund
New York
$3.96M +$4.33M +178,593 New
AI
49
Aperture Investors
New York
$3.66M +$4M +165,119 New
Charles Schwab
50
Charles Schwab
California
$3.46M +$3.79M +156,290 New
1
2
3 4 5

YSS Hedge Fund Activity: Q1 2026 in Review

140 of the 8,126 institutional investors tracked by Wall St. Rank reported a position in York Space Systems (YSS) for Q1 2026, worth a combined $1.38B.

Buyers outnumbered sellers: 140 funds opened new YSS positions and 0 closed out — a net gain of 140 holders — while 0 added to existing stakes and 0 trimmed.

The largest buyer was BlackRock, opening a new position worth an estimated $461M.

  • 140 institutional investors held York Space Systems (YSS) as of Q1 2026, up from 0 in Q4 2025.
  • Funds reported $1.38B of York Space Systems stock for Q1 2026.
  • 140 funds opened new York Space Systems positions in Q1 2026 and 0 closed out, a net change of +140 holders.
  • The largest York Space Systems buyer in Q1 2026 was BlackRock, an estimated $461M added.

Based on aggregated 13F filings for Q1 2026.