We are live on ! Find out more
ERII icon

Energy Recovery
ERII

188 hedge funds and large institutions have $662M invested in Energy Recovery in 2024 Q4 according to their latest regulatory filings, with 40 funds opening new positions, 59 increasing their positions, 57 reducing their positions, and 22 closing their positions.

New
Increased
Maintained
Reduced
Closed

82% more first-time investments, than exits

New positions opened: 40 | Existing positions closed: 22

81% more call options, than puts

Call options by funds: $769K | Put options by funds: $425K

10% more funds holding

Funds holding: 171 → 188 (+17)

4% more repeat investments, than reductions

Existing positions increased: 59 | Existing positions reduced: 57

0% more funds holding in top 10

Funds holding in top 10: 1 → 1 (0)

5.97% less ownership

Funds ownership: 83.76% → 77.79% (-6%)

21% less capital invested

Capital invested by funds: $841M → $662M (-$179M)

Holders
188
Holders Change
+17
Holders Change %
+9.94%
% of All Funds
2.48%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.01%
New
40
Increased
59
Reduced
57
Closed
22
Calls
$769K
Puts
$425K
Net Calls
+$344K
Net Calls Change
-$317K

Top Buyers

Rank Fund Capital Flow
1
Ameriprise
Ameriprise
Minnesota
+$16.7M
2
PA
Pinnacle Associates
New York
+$4.8M
3
DPIM
Duff & Phelps Investment Management
Illinois
+$4.42M
4
Baillie Gifford & Co
Baillie Gifford & Co
United Kingdom
+$4.17M
5
Renaissance Technologies
Renaissance Technologies
New York
+$3.26M

Top Sellers

Rank Fund Capital Flow
1
Fidelity Investments
Fidelity Investments
Massachusetts
-$56.1M
2
AWG
Alpha Wave Global
New York
-$12.9M
3
BCM
Brown Capital Management
Maryland
-$10.1M
4
DCM
Driehaus Capital Management
Illinois
-$8.13M
5
OAM
Oberweis Asset Management
Illinois
-$6.32M
Name Holding Trade Value Shares
Change 		Change in
Stake
State of Wisconsin Investment Board
51
State of Wisconsin Investment Board
Wisconsin
$2.03M +$168K +9,821 +8%
Millennium Management
52
Millennium Management
New York
$1.97M +$2.29M +134,041 New
Select Equity Group
53
Select Equity Group
New York
$1.95M +$194K +11,351 +9%
Nordea Investment Management
54
Nordea Investment Management
Sweden
$1.86M +$27.7K +1,618 +1%
TI
55
Trexquant Investment
Connecticut
$1.79M +$2.09M +121,903 New
Swiss National Bank
56
Swiss National Bank
Switzerland
$1.65M – – –
Barclays
57
Barclays
United Kingdom
$1.57M +$173K +10,138 +10%
SG Americas Securities
58
SG Americas Securities
New York
$1.56M +$1.54M +90,008 +552%
VanEck Associates
59
VanEck Associates
New York
$1.44M +$30.9K +1,808 +2%
Fidelity Investments
60
Fidelity Investments
Massachusetts
$1.38M -$56.1M -3,279,837 -97%
SCM
61
Shelton Capital Management
Colorado
$1.33M -$171K -9,965 -10%
CCA
62
Conestoga Capital Advisors
Pennsylvania
$1.32M -$2.91K -170 -0.2%
AQR Capital Management
63
AQR Capital Management
Connecticut
$1.29M -$807K -47,175 -35%
Jane Street
64
Jane Street
New York
$1.17M +$825K +48,191 +155%
EGM
65
Engineers Gate Manager
New York
$1.16M +$1.35M +78,877 New
RhumbLine Advisers
66
RhumbLine Advisers
Massachusetts
$1.14M -$265K -15,463 -17%
UBS Group
67
UBS Group
Switzerland
$1.1M +$640K +37,394 +99%
GF
68
Gabelli Funds
New York
$1.09M – – –
IEFM
69
IQ EQ Fund Management
Ireland
$1.02M -$1.23M -71,850 -51%
AllianceBernstein
70
AllianceBernstein
Tennessee
$995K -$529K -30,927 -31%
Point72 Asset Management
71
Point72 Asset Management
Connecticut
$909K +$1.06M +61,851 New
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
72
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$907K +$1.06M +61,700 New
CSS
73
Cubist Systematic Strategies
Connecticut
$879K +$1.02M +59,800 New
NSEDCP
74
NJ State Employees Deferred Compensation Plan
New Jersey
$867K – – –
SFI
75
Susquehanna Fundamental Investments
Pennsylvania
$860K +$1M +58,472 New
1 2
3
4 5

ERII Hedge Fund Activity: Q4 2024 in Review

188 of the 7,592 institutional investors tracked by Wall St. Rank reported a position in Energy Recovery (ERII) for Q4 2024, worth a combined $662M — down 21% from $841M a quarter earlier.

Buyers outnumbered sellers: 40 funds opened new ERII positions and 22 closed out — a net gain of 18 holders — while 59 added to existing stakes and 57 trimmed.

The largest buyer was Ameriprise, adding an estimated $16.7M. The largest seller was Fidelity Investments, cutting an estimated $56.1M.

  • 188 institutional investors held Energy Recovery (ERII) as of Q4 2024, up from 171 in Q3 2024.
  • Funds reported $662M of Energy Recovery stock for Q4 2024, down 21% quarter-over-quarter.
  • 40 funds opened new Energy Recovery positions in Q4 2024 and 22 closed out, a net change of +18 holders.
  • The largest Energy Recovery buyer in Q4 2024 was Ameriprise, an estimated $16.7M added.
  • The largest Energy Recovery seller in Q4 2024 was Fidelity Investments, an estimated $56.1M sold.

Based on aggregated 13F filings for Q4 2024.