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 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

SCM

Stadium Capital Management New Canaan, Connecticut $40.6M AUM 5.83% 1-Year Est. Return

PRCP

Pacific Ridge Capital Partners Lake Oswego, Oregon $462M AUM 40.76% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Charles Schwab San Francisco, California $654B AUM 26.35% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Marshall Wace London, United Kingdom $100B AUM 35.1% 1-Year Est. Return

Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return

Two Sigma Investments New York $124B AUM 33.93% 1-Year Est. Return

Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return

Jacobs Levy Equity Management Florham Park, New Jersey $23.8B AUM 25.4% 1-Year Est. Return

CastleKnight Management's SNBR Position: Q1 2026 in Review

CastleKnight Management held its Sleep Number (SNBR) position steady in Q1 2026 at 139,222 shares worth $250K. The position accounts for ﹤0.01% of the portfolio, ranked #435.

CastleKnight Management first reported a position in SNBR in Q4 2023 and has held it in 10 quarters since. The position peaked at $1.97M in Q4 2024. 120 funds tracked by Wall St. Rank hold SNBR as of Q1 2026.

CastleKnight Management held 139,222 shares of Sleep Number worth $250K as of Q1 2026.
CastleKnight Management left its Sleep Number share count unchanged in Q1 2026.
Sleep Number made up ﹤0.01% of CastleKnight Management's portfolio in Q1 2026, its #435 holding.
CastleKnight Management first reported a position in Sleep Number in Q4 2023 and has held it in 10 quarters since.
CastleKnight Management's Sleep Number position peaked at $1.97M in Q4 2024.
120 funds tracked by Wall St. Rank held Sleep Number as of Q1 2026.

Based on CastleKnight Management's 13F filing for Q1 2026, filed 15 May 2026.