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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
Swedbank
51
Swedbank
Sweden
$3.43M +$3.75M +154,568 New
Blackstone Inc
52
Blackstone Inc
New York
$3.33M +$3.64M +150,000 New
SGM
53
Seven Grand Managers
New York
$3.33M +$3.64M +150,000 New
Northern Trust
54
Northern Trust
Illinois
$3.03M +$3.31M +136,622 New
VFT
55
Vanguard Fiduciary Trust
Pennsylvania
$2.84M +$3.11M +128,227 New
ZP
56
Zimmer Partners
New York
$2.55M +$2.79M +115,000 New
Bank of America
57
Bank of America
North Carolina
$2.46M +$2.69M +110,848 New
LP
58
LMR Partners
United Kingdom
$2.45M +$2.68M +110,689 New
SAM
59
Stenahm Asset Management
Guernsey
$2.45M +$2.68M +110,651 New
BHCM
60
Brevan Howard Capital Management
Jersey
$2.41M +$2.64M +108,711 New
D.E. Shaw & Co
61
D.E. Shaw & Co
New York
$2.24M +$2.45M +100,926 New
SSA
62
Schonfeld Strategic Advisors
New York
$2.22M +$2.43M +100,000 New
Fidelity Investments
63
Fidelity Investments
Massachusetts
$2.12M +$2.32M +95,580 New
ECP
64
Empyrean Capital Partners
California
$2.11M +$2.3M +95,000 New
Wells Fargo
65
Wells Fargo
California
$2.02M +$2.2M +90,895 New
XT
66
XTX Topco
Cayman Islands
$2.01M +$2.2M +90,728 New
BCI
67
Brinker Capital Investments
Pennsylvania
$1.81M +$1.98M +81,560 New
HSM
68
H Squared Management
New York
$1.8M +$1.97M +81,250 New
DC
69
Diametric Capital
Massachusetts
$1.64M +$1.79M +73,854 New
FAM
70
Fred Alger Management
New York
$1.52M +$1.67M +68,781 New
Renaissance Technologies
71
Renaissance Technologies
New York
$1.49M +$1.63M +67,171 New
Raymond James Financial
72
Raymond James Financial
Florida
$1.47M +$1.61M +66,227 New
Walleye Capital
73
Walleye Capital
New York
$1.2M +$1.31M +54,007 New
Goldman Sachs
74
Goldman Sachs
New York
$1.19M +$1.3M +53,649 New
State of Wisconsin Investment Board
75
State of Wisconsin Investment Board
Wisconsin
$887K +$970K +40,000 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.