CECOCECO Environmental Corp.

$65.77+35% 1Y

Who owns CECO

341 institutions reported holding CECO for 2026Q2, together 144% of the company, more than the 260 a quarter earlier.

341

Institutions reporting a position · as of 2026Q2 · up from 260 the quarter before

Shares held by institutions
51.5M

Shares held by institutions · 144% of the company · long US equity positions only, as reported on Form 13F

Reported value
$4.67B

Reported value · at Jun 30, 2026 prices, not today's

Opened vs closed
104 / 26

Opened vs closed · new positions against positions exited in the latest quarter

Details›
Reporting quarter2026-06-30
2026Q2
Quarters on record
53
New positions
104
Positions exited
26
Added to
129
Reduced
68
Shares sold shortsettled Sep 15, 2026
2.0M
Short interestof shares outstanding
5.5%
Days to coverat the average daily volume
2.7
Change in the short positionsince the Aug 31, 2026 count
+13%
Institutional ownership by quarter, 2013Q2 to 2026Q2
QuarterFilersSharesReported value
2026Q234151.5M$4.67B
2026Q126031.4M$1.87B
2025Q422529.2M$1.75B
2025Q322328.7M$1.47B
2025Q217729.5M$836M
2025Q117129.1M$663M
2024Q417528.7M$870M
2024Q317326.6M$749M
2024Q217625.7M$743M
2024Q117323.8M$547M
2023Q415423.9M$484M
2023Q314723.7M$379M
2023Q214423.9M$319M
2023Q113822.0M$307M
2022Q412021.9M$256M
2022Q311322.3M$197M
Largest reported holders, 2026Q2
HolderShares% of companyValue
FMR LLC4.5Mn/a$411M
BlackRock Inc.4.3Mn/a$392M
VANGUARD GROUP INC3.2Mn/a$295M
DIMENSIONAL FUND ADVISORS LP2.2Mn/a$198M
T. Rowe Price Investment Management, Inc.2.2Mn/a$195M
AMERICAN CENTURY COMPANIES INC2.1Mn/a$190M
Driehaus Capital Management LLC1.6Mn/a$142M
GEODE CAPITAL MANAGEMENT LLC1.5Mn/a$133M
Divisadero Street Capital Management, LP1.3Mn/a$121M
STATE STREET CORP1.3Mn/a$115M
Short interest by settlement date, Aug 29, 2025 to Sep 15, 2026
SettlementShares shortOf shares outstandingDays to cover
Sep 15, 20262.0M5.5%2.7
Aug 31, 20261.7M4.9%2.7
Aug 14, 20261.6M4.6%1.6
Jul 31, 20261.8M4.9%1.8
Jul 15, 20261.8M5.1%2.5
Jun 30, 20262.2M6.1%2.5
Jun 15, 20261.9M5.3%1.7
May 29, 20266.0M17%5.8
May 15, 20265.2M14%5.9
Apr 30, 20264.3M12%6.3
Apr 15, 20263.5M9.7%8.7
Mar 31, 20263.5M9.8%5.4

SEC Form 13F data sets (DERA bulk files). 13F is quarterly, filed up to 45 days late, and covers long US equity positions only, no shorts, no derivatives, nothing held below the reporting threshold. The short position is FINRA's consolidated count for each twice-monthly settlement date, as a share of shares outstanding.

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