GIM
CECO icon

Granahan Investment Management’s Ceco Environmental CECO Stock Holding History

Granahan Investment Management’s Portfolio CECO Stock Details CECO Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$8.6M Buy
94,823
+2,095
+2% +$166K 0.31% 79
2026
Q1 		$5.52M Sell
92,728
-16,161
-15% -$1.04M 0.27% 98
2025
Q4 		$6.52M Sell
108,889
-125,810
-54% -$6.73M 0.28% 85
2025
Q3 		$12M Sell
234,699
-117,392
-33% -$4.97M 0.49% 53
2025
Q2 		$9.97M Buy
352,091
+34,675
+11% +$863K 0.41% 64
2025
Q1 		$7.24M Buy
+317,416
New +$8.46M 0.36% 73
2015
Q3 		– Sell
-354,184
Closed -$4.01M – 257
2015
Q2 		$4.01M Sell
354,184
-519,261
-59% -$5.92M 0.11% 190
2015
Q1 		$9.27M Sell
873,445
-107,226
-11% -$1.45M 0.27% 138
2014
Q4 		$15.2M Sell
980,671
-19,301
-2% -$270K 0.44% 89
2014
Q3 		$13.4M Buy
999,972
+22,708
+2% +$323K 0.41% 86
2014
Q2 		$15.2M Buy
977,264
+111,138
+13% +$1.7M 0.44% 84
2014
Q1 		$14.4M Buy
866,126
+12,310
+1% +$202K 0.39% 104
2013
Q4 		$13.8M Buy
853,816
+403
+0% +$6.51K 0.35% 109
2013
Q3 		$12M Buy
853,413
+2,380
+0.3% +$31.2K 0.32% 120
2013
Q2 		$10.5M Buy
+851,033
New +$10.3M 0.3% 119

Other funds holding CECO

Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
DCM
Driehaus Capital Management Chicago, Illinois $17.3B AUM 211.34% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
DSCM
Divisadero Street Capital Management Miami, Florida $4.41B AUM 90.53% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Granahan Investment Management's CECO Position: Q2 2026 in Review

Granahan Investment Management increased its Ceco Environmental (CECO) stake by 2.3% in Q2 2026, buying an estimated $166K and bringing the position to 94,823 shares worth $8.6M. The position accounts for 0.31% of the portfolio, ranked #79.

Granahan Investment Management first reported a position in CECO in Q2 2013 and has held it in 15 quarters since. The position peaked at $15.2M in Q4 2014. 343 funds tracked by Wall St. Rank hold CECO as of Q2 2026.

  • Granahan Investment Management held 94,823 shares of Ceco Environmental worth $8.6M as of Q2 2026.
  • Granahan Investment Management bought 2,095 Ceco Environmental shares in Q2 2026, an estimated $166K.
  • Ceco Environmental made up 0.31% of Granahan Investment Management's portfolio in Q2 2026, its #79 holding.
  • Granahan Investment Management first reported a position in Ceco Environmental in Q2 2013 and has held it in 15 quarters since.
  • Granahan Investment Management's Ceco Environmental position peaked at $15.2M in Q4 2014.
  • 343 funds tracked by Wall St. Rank held Ceco Environmental as of Q2 2026.

Based on Granahan Investment Management's 13F filing for Q2 2026, filed 14 Aug 2026.