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Sio Capital Management’s Maximus MMS Stock Holding History

Sio Capital Management’s Portfolio MMS Stock Details MMS Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$49.3M Buy
768,825
+268,521
+54% +$21.8M 7.07% 1
2025
Q4 		$43.2M Sell
500,304
-57,311
-10% -$4.9M 6.79% 4
2025
Q3 		$50.9M Buy
557,615
+9,529
+2% +$772K 12.89% 1
2025
Q2 		$38.5M Buy
548,086
+79,734
+17% +$5.6M 14.69% 1
2025
Q1 		$31.9M Buy
468,352
+86,929
+23% +$6.19M 9.51% 2
2024
Q4 		$28.5M Buy
381,423
+226,281
+146% +$18.5M 8.01% 2
2024
Q3 		$14.5M Buy
+155,142
New +$13.9M 5.73% 4

Other funds holding MMS

Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
Fuller & Thaler Asset Management
Fuller & Thaler Asset Management San Mateo, California $29.7B AUM 43.33% 1-Year Est. Return
Mackenzie Financial
Mackenzie Financial Toronto Ontario, Ontario, Canada $83.3B AUM 31.19% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
VBA
Van Berkom & Associates Montreal, Quebec, Canada $3.08B AUM 12.07% 1-Year Est. Return

Sio Capital Management's MMS Position: Q1 2026 in Review

Sio Capital Management increased its Maximus (MMS) stake by 54% in Q1 2026, buying an estimated $21.8M and bringing the position to 768,825 shares worth $49.3M. The position accounts for 7.07% of the portfolio, ranked #1.

Sio Capital Management first reported a position in MMS in Q3 2024 and has held it in 7 quarters since. The position peaked at $50.9M in Q3 2025. 371 funds tracked by Wall St. Rank hold MMS as of Q1 2026.

  • Sio Capital Management held 768,825 shares of Maximus worth $49.3M as of Q1 2026.
  • Sio Capital Management bought 268,521 Maximus shares in Q1 2026, an estimated $21.8M.
  • Maximus made up 7.07% of Sio Capital Management's portfolio in Q1 2026, its #1 holding.
  • Sio Capital Management first reported a position in Maximus in Q3 2024 and has held it in 7 quarters since.
  • Sio Capital Management's Maximus position peaked at $50.9M in Q3 2025.
  • 371 funds tracked by Wall St. Rank held Maximus as of Q1 2026.

Based on Sio Capital Management's 13F filing for Q1 2026, filed 14 May 2026.