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Essex Investment Management’s Alpha Pro Tech APT Stock Holding History

Essex Investment Management’s Portfolio APT Stock Details APT Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$193K Sell
34,264
-111
-0.3% -$581 0.03% 215
2026
Q1 		$153K Hold
34,375
– – 0.02% 215
2025
Q4 		$153K Hold
34,375
– – 0.02% 219
2025
Q3 		$164K Hold
34,375
– – 0.03% 210
2025
Q2 		$161K Sell
34,375
-407
-1% -$1.84K 0.03% 204
2025
Q1 		$174K Sell
34,782
-11
-0% -$59 0.04% 188
2024
Q4 		$184K Sell
34,793
-4,027
-10% -$22.1K 0.03% 194
2024
Q3 		$221K Hold
38,820
– – 0.04% 186
2024
Q2 		$214K Sell
38,820
-73,595
-65% -$411K 0.04% 187
2024
Q1 		$701K Hold
112,415
– – 0.14% 159
2023
Q4 		$595K Sell
112,415
-44,903
-29% -$206K 0.12% 170
2023
Q3 		$683K Sell
157,318
-4,761
-3% -$19.8K 0.11% 221
2023
Q2 		$645K Buy
162,079
+4,351
+3% +$17.1K 0.09% 244
2023
Q1 		$656K Hold
157,728
– – 0.1% 241
2022
Q4 		$634K Hold
157,728
– – 0.1% 231
2022
Q3 		$639K Sell
157,728
-10,819
-6% -$47.1K 0.1% 224
2022
Q2 		$752K Buy
+168,547
New +$718K 0.12% 220

Other funds holding APT

NIM
Needham Investment Management New York $3.33B AUM 163.16% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $1.28T AUM 58.89% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $84.2B AUM 55.88% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
BCM
Bridgeway Capital Management Houston, Texas $5.69B AUM 60.64% 1-Year Est. Return
Arrowstreet Capital
Arrowstreet Capital Boston, Massachusetts $225B AUM 49.49% 1-Year Est. Return

Essex Investment Management's APT Position: Q2 2026 in Review

Essex Investment Management reduced its Alpha Pro Tech (APT) stake by 0.32% in Q2 2026, selling an estimated $581 and leaving 34,264 shares worth $193K. The position accounts for 0.03% of the portfolio, ranked #215.

Essex Investment Management first reported a position in APT in Q2 2022 and has held it in 17 quarters since. The position peaked at $752K in Q2 2022. 41 funds tracked by Wall St. Rank hold APT as of Q2 2026.

  • Essex Investment Management held 34,264 shares of Alpha Pro Tech worth $193K as of Q2 2026.
  • Essex Investment Management sold 111 Alpha Pro Tech shares in Q2 2026, an estimated $581.
  • Alpha Pro Tech made up 0.03% of Essex Investment Management's portfolio in Q2 2026, its #215 holding.
  • Essex Investment Management first reported a position in Alpha Pro Tech in Q2 2022 and has held it in 17 quarters since.
  • Essex Investment Management's Alpha Pro Tech position peaked at $752K in Q2 2022.
  • 41 funds tracked by Wall St. Rank held Alpha Pro Tech as of Q2 2026.

Based on Essex Investment Management's 13F filing for Q2 2026, filed 6 Aug 2026.