Massachusetts Financial Services
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Massachusetts Financial Services’s York Space Systems YSS Stock Holding History

Massachusetts Financial Services’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
Q3 		$241K Buy
27,892
+1,625
+6% +$21.1K ﹤0.01% 995
2026
Q2 		$647K Sell
26,267
-492,076
-95% -$15.3M ﹤0.01% 932
2026
Q1 		$11.5M Buy
+518,343
New +$12.6M ﹤0.01% 718

Other funds holding YSS

BlackRock
BlackRock New York $6.79T AUM 37.06% 1-Year Est. Return
71 West Capital Partners
71 West Capital Partners Boston, Massachusetts $3.06B AUM 23.06% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.44T AUM 36.12% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.76T AUM
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.21T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return
VOYA Investment Management
VOYA Investment Management Atlanta, Georgia $109B AUM 51.53% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $765B AUM 28.39% 1-Year Est. Return
Mariner
Mariner Overland Park, Kansas $100B AUM 26.06% 1-Year Est. Return
Tidal Investments
Tidal Investments Milwaukee, Wisconsin $59.1B AUM 42.33% 1-Year Est. Return

Massachusetts Financial Services's YSS Position: Q3 2026 in Review

Massachusetts Financial Services increased its York Space Systems (YSS) stake by 6.2% in Q3 2026, buying an estimated $21.1K and bringing the position to 27,892 shares worth $241K. The position accounts for ﹤0.01% of the portfolio, ranked #995.

Massachusetts Financial Services first reported a position in YSS in Q1 2026 and has held it in 3 quarters since. The position peaked at $11.5M in Q1 2026. 105 funds tracked by Wall St. Rank hold YSS as of Q3 2026.

  • Massachusetts Financial Services held 27,892 shares of York Space Systems worth $241K as of Q3 2026.
  • Massachusetts Financial Services bought 1,625 York Space Systems shares in Q3 2026, an estimated $21.1K.
  • York Space Systems made up ﹤0.01% of Massachusetts Financial Services's portfolio in Q3 2026, its #995 holding.
  • Massachusetts Financial Services first reported a position in York Space Systems in Q1 2026 and has held it in 3 quarters since.
  • Massachusetts Financial Services's York Space Systems position peaked at $11.5M in Q1 2026.
  • 105 funds tracked by Wall St. Rank held York Space Systems as of Q3 2026.

Based on Massachusetts Financial Services's 13F filing for Q3 2026, filed 12 Nov 2026.