CM
SNBR

CastleKnight Management’s Sleep Number SNBR Stock Holding History

CastleKnight Management’s Portfolio SNBR Stock Details SNBR Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		– Sell
-139,222
Closed -$250K – 553
2026
Q1 		$250K Hold
139,222
– – ﹤0.01% 435
2025
Q4 		$1.18M Sell
139,222
-139,222
-50% -$880K 0.03% 258
2025
Q3 		$1.95M Hold
278,444
– – 0.04% 236
2025
Q2 		$1.88M Hold
278,444
– – 0.05% 224
2025
Q1 		$1.77M Buy
278,444
+149,201
+115% +$2M 0.07% 167
2024
Q4 		$1.97M Buy
129,243
+46,900
+57% +$728K 0.06% 172
2024
Q3 		$1.51M Buy
82,343
+40,143
+95% +$526K 0.06% 166
2024
Q2 		$404K Hold
42,200
– – 0.02% 301
2024
Q1 		$676K Buy
42,200
+17,600
+72% +$228K 0.04% 232
2023
Q4 		$365K Buy
+24,600
New +$382K 0.02% 257

Other funds holding SNBR

Jane Street
Jane Street New York $1.21T AUM 78.12% 1-Year Est. Return
Simplex Trading
Simplex Trading Chicago, Illinois $171B AUM 85% 1-Year Est. Return
Barclays
Barclays London, United Kingdom $521B AUM 51.41% 1-Year Est. Return
CBT
Crews Bank & Trust Wauchula, Florida $766M AUM 19.5% 1-Year Est. Return
IA
IFP Advisors Tampa, Florida $5.54B AUM 27.43% 1-Year Est. Return

CastleKnight Management's SNBR Position: Q2 2026 in Review

CastleKnight Management sold out of Sleep Number (SNBR) in Q2 2026, closing a stake of 139,222 shares — an estimated $250K sold.

CastleKnight Management first reported a position in SNBR in Q4 2023 and held it in 10 quarters. The position peaked at $1.97M in Q4 2024. 6 funds tracked by Wall St. Rank hold SNBR as of Q2 2026.

  • CastleKnight Management reported no remaining Sleep Number position as of Q2 2026 after selling out during the quarter.
  • CastleKnight Management sold 139,222 Sleep Number shares in Q2 2026, an estimated $250K.
  • CastleKnight Management first reported a position in Sleep Number in Q4 2023 and held it in 10 quarters.
  • CastleKnight Management's Sleep Number position peaked at $1.97M in Q4 2024.
  • 6 funds tracked by Wall St. Rank held Sleep Number as of Q2 2026.

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