Mangrove Partners’s HealthStream HSTM Stock Holding History

Mangrove Partners’s Portfolio HSTM Stock Details HSTM Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	–	Sell	-8,694	Closed	-$201K	–	509
2025 Q4	$201K	Buy	+8,694	New	+$219K	0.02%	318

Other funds holding HSTM

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

CCM

Copeland Capital Management Conshohocken, Pennsylvania $4.5B AUM 18.67% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

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

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return

JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return

Mangrove Partners's HSTM Position: Q1 2026 in Review

Mangrove Partners sold out of HealthStream (HSTM) in Q1 2026, closing a stake of 8,694 shares — an estimated $201K sold.

Mangrove Partners first reported a position in HSTM in Q4 2025 and held it in 1 quarter. The position peaked at $201K in Q4 2025. 197 funds tracked by Wall St. Rank hold HSTM as of Q1 2026.

Mangrove Partners reported no remaining HealthStream position as of Q1 2026 after selling out during the quarter.
Mangrove Partners sold 8,694 HealthStream shares in Q1 2026, an estimated $201K.
Mangrove Partners first reported a position in HealthStream in Q4 2025 and held it in 1 quarter.
Mangrove Partners's HealthStream position peaked at $201K in Q4 2025.
197 funds tracked by Wall St. Rank held HealthStream as of Q1 2026.

Based on Mangrove Partners's 13F filing for Q1 2026, filed 15 May 2026.