Atom Investors’s Spok Holdings SPOK Stock Holding History

Atom Investors’s Portfolio SPOK Stock Details SPOK Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q4	–	Sell	-17,827	Closed	-$308K	–	797
2025 Q3	$308K	Buy	+17,827	New	+$317K	0.02%	444

Other funds holding SPOK

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

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

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

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

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

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

HighTower Advisors Chicago, Illinois $94.2B AUM 21.24% 1-Year Est. Return

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

Acadian Asset Management Boston, Massachusetts $70.5B AUM 36% 1-Year Est. Return

CSM Advisors Warrendale, Pennsylvania $4.07B AUM 29.62% 1-Year Est. Return

Atom Investors's SPOK Position: Q4 2025 in Review

Atom Investors sold out of Spok Holdings (SPOK) in Q4 2025, closing a stake of 17,827 shares — an estimated $308K sold.

Atom Investors first reported a position in SPOK in Q3 2025 and held it in 1 quarter. The position peaked at $308K in Q3 2025. 133 funds tracked by Wall St. Rank hold SPOK as of Q4 2025.

Atom Investors reported no remaining Spok Holdings position as of Q4 2025 after selling out during the quarter.
Atom Investors sold 17,827 Spok Holdings shares in Q4 2025, an estimated $308K.
Atom Investors first reported a position in Spok Holdings in Q3 2025 and held it in 1 quarter.
Atom Investors's Spok Holdings position peaked at $308K in Q3 2025.
133 funds tracked by Wall St. Rank held Spok Holdings as of Q4 2025.

Based on Atom Investors's 13F filing for Q4 2025, filed 17 Feb 2026.