GIM
YSS

Granahan Investment Management’s York Space Systems YSS Stock Holding History

Granahan Investment Management’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
Q2 		$11.5M Sell
468,190
-499,420
-52% -$15.5M 0.41% 57
2026
Q1 		$21.5M Buy
+967,610
New +$23.5M 1.04% 28

Other funds holding YSS

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
AIP
AE Industrial Partners Boca Raton, Florida $1.37B AUM 48.49% 1-Year Est. Return
Allianz Asset Management
Allianz Asset Management Munich, Germany $95.4B AUM 38.74% 1-Year Est. Return
HRCM
Hood River Capital Management Palm Beach Gardens, Florida $13.8B AUM 163.97% 1-Year Est. Return
TE
Tema ETFs New York $3.09B AUM 72.72% 1-Year Est. Return
TI
Tidal Investments Milwaukee, Wisconsin $57.8B AUM 72.54% 1-Year Est. Return
WHG
Westwood Holdings Group Dallas, Texas $13.3B AUM 29.38% 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 $786B AUM 40.34% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Granahan Investment Management's YSS Position: Q2 2026 in Review

Granahan Investment Management reduced its York Space Systems (YSS) stake by 52% in Q2 2026, selling an estimated $15.5M and leaving 468,190 shares worth $11.5M. The position accounts for 0.41% of the portfolio, ranked #57.

Granahan Investment Management first reported a position in YSS in Q1 2026 and has held it in 2 quarters since. The position peaked at $21.5M in Q1 2026. 146 funds tracked by Wall St. Rank hold YSS as of Q2 2026.

  • Granahan Investment Management held 468,190 shares of York Space Systems worth $11.5M as of Q2 2026.
  • Granahan Investment Management sold 499,420 York Space Systems shares in Q2 2026, an estimated $15.5M.
  • York Space Systems made up 0.41% of Granahan Investment Management's portfolio in Q2 2026, its #57 holding.
  • Granahan Investment Management first reported a position in York Space Systems in Q1 2026 and has held it in 2 quarters since.
  • Granahan Investment Management's York Space Systems position peaked at $21.5M in Q1 2026.
  • 146 funds tracked by Wall St. Rank held York Space Systems as of Q2 2026.

Based on Granahan Investment Management's 13F filing for Q2 2026, filed 14 Aug 2026.