Ken Griffin
YSS

Ken Griffin’s York Space Systems YSS Stock Holding History

Ken Griffin’s Portfolio YSS Stock Details YSS Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$461K Buy
+20,800
New +$504K ﹤0.01% 9500

Other funds holding YSS

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
AIP
AE Industrial Partners Boca Raton, Florida $1.63B AUM 5.44% 1-Year Est. Return
Allianz Asset Management
Allianz Asset Management Munich, Germany $95.4B AUM 38.74% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $609B AUM 40.19% 1-Year Est. Return
ClearBridge Investments
ClearBridge Investments New York $115B AUM 24.78% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
VOYA Investment Management
VOYA Investment Management Atlanta, Georgia $116B AUM 61.47% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return
HRCM
Hood River Capital Management Palm Beach Gardens, Florida $9.98B AUM 145.42% 1-Year Est. Return
GIM
Granahan Investment Management Waltham, Massachusetts $2.07B AUM 56.45% 1-Year Est. Return

Ken Griffin's YSS Position: Q1 2026 in Review

Ken Griffin opened a new position in York Space Systems (YSS) in Q1 2026: 947,893 shares worth $21M. The stake represents ﹤0.01% of the portfolio and ranks #2283 among its holdings.

140 funds tracked by Wall St. Rank hold YSS as of Q1 2026.

  • Ken Griffin held 947,893 shares of York Space Systems worth $21M as of Q1 2026.
  • York Space Systems was a new Ken Griffin position in Q1 2026.
  • York Space Systems made up ﹤0.01% of Ken Griffin's portfolio in Q1 2026, its #2283 holding.
  • 140 funds tracked by Wall St. Rank held York Space Systems as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.