EIM
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Essex Investment Management’s Castellum CTM Stock Holding History

Essex Investment Management’s Portfolio CTM Stock Details CTM Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		– Sell
-2,114,029
Closed -$1.91M – 312
2025
Q4 		$1.91M Sell
2,114,029
-39,588
-2% -$42.3K 0.29% 117
2025
Q3 		$2.35M Buy
2,153,617
+63,117
+3% +$73.4K 0.36% 108
2025
Q2 		$2.2M Buy
+2,090,500
New +$2.15M 0.4% 100

Other funds holding CTM

VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
MWM
Meridian Wealth Management Lexington, Kentucky $3.25B AUM 41% 1-Year Est. Return
CAPTRUST Financial Advisors
CAPTRUST Financial Advisors Raleigh, North Carolina $57.3B AUM 18.32% 1-Year Est. Return
VFT
Vanguard Fiduciary Trust Malvern, Pennsylvania $396B AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Jane Street
Jane Street New York $777B AUM 61.18% 1-Year Est. Return
SAI
Savvy Advisors Inc New York $4.71B AUM 25.36% 1-Year Est. Return
Northern Trust
Northern Trust Chicago, Illinois $757B AUM 28.64% 1-Year Est. Return

Essex Investment Management's CTM Position: Q1 2026 in Review

Essex Investment Management sold out of Castellum (CTM) in Q1 2026, closing a stake of 2,114,029 shares — an estimated $1.91M sold.

Essex Investment Management first reported a position in CTM in Q2 2025 and held it in 3 quarters. The position peaked at $2.35M in Q3 2025. 27 funds tracked by Wall St. Rank hold CTM as of Q1 2026.

  • Essex Investment Management reported no remaining Castellum position as of Q1 2026 after selling out during the quarter.
  • Essex Investment Management sold 2,114,029 Castellum shares in Q1 2026, an estimated $1.91M.
  • Essex Investment Management first reported a position in Castellum in Q2 2025 and held it in 3 quarters.
  • Essex Investment Management's Castellum position peaked at $2.35M in Q3 2025.
  • 27 funds tracked by Wall St. Rank held Castellum as of Q1 2026.

Based on Essex Investment Management's 13F filing for Q1 2026, filed 11 May 2026.