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Security record · archived quarter

ERII

Energy Recovery, Inc. · Industrials · Industrial - Pollution & Treatment Controls

6.65 +0.2% mkt cap $339.45M quote delayed (FMP) · as of Oct 18 03:59 UTC · separate from filing data below

Q3 2026 Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024
82Tracked holders
+4Δ holders
32.96MShares held
$331.95MReported value
+11New positions
−7Exits
Rising Conviction score 43/100 How these are computed → Explain this at the Research Desk →

Momentum inputs (comparable managers): holder breadth +5.1% · share flow +4.0% · net new positions +4.9% · formula
Broad accumulation: rising shares across more holders

All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 2026

Ownership over time
QuarterHoldersΔSharesReported valueNewExits
Q3 2026 1 +1 15.44K $105,630 +1 n/a
Q2 2026 81 +2 33.13M $298.77M +10 −8
Q1 2026 82 +4 32.96M $331.95M +11 −7
Q4 2025 78 0 33.33M $449.55M n/a n/a
Q3 2025 17 +1 15.90M $245.23M +1 n/a
Q2 2025 13 -2 12.94M $165.36M n/a −2
Q1 2025 12 -1 5.18M $82.24M +1 −2
Q4 2024 13 +5 5.21M $76.55M +5 n/a
Q3 2024 7 -1 3.26M $56.62M +1 −2
Q2 2024 8 n/a 2.95M $39.27M n/a n/a
Holder count
Who holds it · Q1 2026
#ManagerSharesΔ sharesValueTheir weightHeld
1 BlackRock ✦ (passive) 6.09M -3.9% $61.34M 0.0% ▼ Trim 4 SEC ↗ ×15
2 Ameriprise Financial Inc 5.26M +15.3% $52.97M 0.0% ▲ Add 2 SEC ↗ ×4
3 Amundi 3.74M +31.2% $37.65M 0.0% ▲ Add 2 SEC ↗ ×3
4 Vanguard Capital Management Llc 2.23M n/a $22.46M 0.0% n/c 1 SEC ↗
5 FIL Ltd 1.99M -0.3% $20.02M 0.0% ▼ Trim 2 SEC ↗ ×2
6 Legal & General Group Plc 1.90M +41.6% $19.16M 0.0% ▲ Add 2 SEC ↗ ×3
7 State Street Global Advisors ✦ (passive) 1.77M +0.5% $17.85M 0.0% ▲ Add 6 SEC ↗
8 Geode Capital Management ✦ (passive) 1.30M +2.7% $13.04M 0.0% ▲ Add 8 SEC ↗ ×2
9 Dimensional Fund Advisors Lp 877.43K -7.6% $8.84M 0.0% ▼ Trim 2 SEC ↗ ×4
10 Invesco Ltd. 826.30K +10.8% $8.32M 0.0% ▲ Add 2 SEC ↗ ×5
11 Morgan Stanley ✦ 792.69K -18.6% $7.98M 0.0% ▼ Trim 3 SEC ↗ ×8
12 Arrowstreet Capital ✦ 514.10K +47.6% $5.18M 0.0% ▲ Add 5 SEC ↗
13 Goldman Sachs Group ✦ 468.54K -22.8% $4.72M 0.0% ▼ Trim 3 SEC ↗ ×2
14 Northern Trust Corp 450.44K +2.8% $4.54M 0.0% ▲ Add 2 SEC ↗ ×6
15 Citadel Advisors ✦ 449.44K +7.4% $4.53M 0.0% ▲ Add 8 SEC ↗ ×2
16 Charles Schwab Investment… 431.29K -3.0% $4.34M 0.0% ▼ Trim 2 SEC ↗
17 Millennium Management ✦ 322.34K +65.7% $3.25M 0.0% ▲ Add 6 SEC ↗
18 Bnp Paribas Financial Markets 270.95K +133.4% $2.73M 0.0% ▲ Add 2 SEC ↗
19 Fidelity (FMR) ✦ 250.58K +0.1% $2.52M 0.0% ▲ Add 4 SEC ↗ ×4
20 UBS AM, a distinct business unit of… 165.71K +3.8% $1.67M 0.0% ▲ Add 2 SEC ↗ ×8
21 Nuveen, LLC 164.49K -0.1% $1.66M 0.0% ▼ Trim 2 SEC ↗ ×2
22 Bank of New York Mellon Corp 148.77K -3.9% $1.50M 0.0% ▼ Trim 2 SEC ↗ ×3
23 Renaissance Technologies ✦ 144.26K +40.1% $1.45M 0.0% ▲ Add 6 SEC ↗
24 Deutsche Bank Ag\ 139.60K -18.5% $1.41M 0.0% ▼ Trim 2 SEC ↗ ×3
25 Jane Street Group, Llc 135.47K +21.3% $1.36M 0.0% ▲ Add 2 SEC ↗ ×3
26 UBS Group AG 125.94K +23.7% $1.27M 0.0% ▲ Add 2 SEC ↗ ×4
27 Hsbc Holdings Plc 110.81K -14.8% $1.10M 0.0% ▼ Trim 2 SEC ↗ ×2
28 Marshall Wace ✦ 106.30K -2.8% $1.07M 0.0% ▼ Trim 6 SEC ↗ ×2
29 Swiss National Bank 105.00K 0.0% $1.06M 0.0% Held 2 SEC ↗
30 Nordea Investment Management Ab 105.56K -7.2% $1.04M 0.0% ▼ Trim 2 SEC ↗ ×2
31 Two Sigma Investments ✦ 88.90K New $895,213 0.0% New 1 SEC ↗
32 Hrt Financial Lp 76.50K New $770,000 0.0% New 1 SEC ↗
33 Susquehanna International Group, Llp 72.74K +366.6% $732,522 0.0% ▲ Add 2 SEC ↗
34 Principal Financial Group Inc 68.68K +8.9% $691,627 0.0% ▲ Add 2 SEC ↗ ×2
35 Lazard Asset Management Llc 67.43K +54.7% $679,010 0.0% ▲ Add 2 SEC ↗
36 T. Rowe Price ✦ 66.26K +23.4% $668,000 0.0% ▲ Add 8 SEC ↗
37 Rhumbline Advisers 65.22K -9.6% $656,723 0.0% ▼ Trim 2 SEC ↗
38 Bank Of America Corp /De/ 58.77K +10.2% $591,794 0.0% ▲ Add 2 SEC ↗ ×2
39 AQR Capital Management ✦ 58.33K +260.6% $587,383 0.0% ▲ Add 8 SEC ↗ ×6
40 Credit Agricole S A 55.00K New $553,850 0.0% New 1 SEC ↗
41 Victory Capital Management Inc 53.21K New $535,855 0.0% New 1 SEC ↗
42 State Of Wisconsin Investment Board 53.13K -53.3% $534,979 0.0% ▼ Trim 2 SEC ↗
43 Sei Investments Co 51.84K New $521,999 0.0% New 1 SEC ↗
44 California State Teachers… 48.62K -0.8% $489,644 0.0% ▼ Trim 2 SEC ↗
45 Voya Investment Management Llc 46.84K +17.8% $471,649 0.0% ▲ Add 2 SEC ↗
46 HighTower Advisors, LLC 45.99K +23.8% $463,089 0.0% ▲ Add 2 SEC ↗
47 Squarepoint Ops LLC 41.88K New $421,711 0.0% New 1 SEC ↗
48 MIRAE ASSET GLOBAL ETFS HOLDINGS… 40.98K +8.5% $412,689 0.0% ▲ Add 2 SEC ↗
49 Aviva Plc 38.72K +14.0% $389,900 0.0% ▲ Add 2 SEC ↗
50 Mercer Global Advisors Inc /Adv 36.33K -6.7% $365,873 0.0% ▼ Trim 2 SEC ↗
51 Russell Investments Group, Ltd. 35.31K -2.5% $355,587 0.0% ▼ Trim 2 SEC ↗ ×6
52 Universal- Beteiligungs- und… 34.44K -24.6% $346,781 0.0% ▼ Trim 2 SEC ↗
53 Alliancebernstein L.P. 23.95K -55.9% $323,086 0.0% ▼ Trim 2 SEC ↗
54 Zurcher Kantonalbank (Zurich… 28.87K +16.6% $290,731 0.0% ▲ Add 2 SEC ↗
55 Barclays Plc 27.82K -71.3% $280,187 0.0% ▼ Trim 2 SEC ↗ ×3
56 JPMorgan Chase ✦ 28.55K +0.7% $280,086 0.0% ▲ Add 3 SEC ↗ ×4
57 Wells Fargo & Company/Mn 27.66K -59.6% $278,583 0.0% ▼ Trim 2 SEC ↗ ×3
58 Janus Henderson Group Plc 24.18K 0.0% $243,321 0.0% Held 2 SEC ↗
59 Franklin Resources Inc 19.81K -46.9% $199,526 0.0% ▼ Trim 2 SEC ↗ ×3
60 New York State Common Retirement… 16.96K +1.1% $170,827 0.0% ▲ Add 2 SEC ↗
61 State Board Of Administration Of… 15.92K -12.5% $160,284 0.0% ▼ Trim 2 SEC ↗
62 Manufacturers Life Insurance… 14.13K -10.3% $142,309 0.0% ▼ Trim 2 SEC ↗
63 Raymond James Financial Inc 13.96K -86.3% $140,578 0.0% ▼ Trim 2 SEC ↗ ×2
64 D. E. Shaw & Co. ✦ 13.90K -78.0% $139,973 0.0% ▼ Trim 8 SEC ↗
65 Envestnet Asset Management Inc 13.19K +26.3% $132,773 0.0% ▲ Add 2 SEC ↗
66 Citigroup Inc 13.08K -46.1% $131,725 0.0% ▼ Trim 2 SEC ↗ ×2
67 Osaic Holdings, Inc. 12.82K +3533.1% $129,147 0.0% ▲ Add 2 SEC ↗ ×2
68 IMC-Chicago, LLC 12.53K New $126,207 0.0% New 1 SEC ↗
69 Quantinno Capital Management LP 12.33K -73.6% $124,173 0.0% ▼ Trim 2 SEC ↗
70 Balyasny Asset Management L.P. 10.71K New $107,870 0.0% New 1 SEC ↗
71 American Century Companies Inc 10.22K -80.1% $102,966 0.0% ▼ Trim 2 SEC ↗
72 Simplex Trading, Llc 10.08K +3248.8% $101,505 0.0% ▲ Add 2 SEC ↗
73 Cwm, Llc 6.55K +1062.2% $66,009 0.0% ▲ Add 2 SEC ↗
74 Group One Trading Llc 4.03K New $40,592 0.0% New 1 SEC ↗
75 BNP Paribas Asset Management… 2.47K +51.0% $24,843 0.0% ▲ Add 2 SEC ↗
76 National Bank Of Canada /Fi/ 1.64K +16.8% $16,498 0.0% ▲ Add 2 SEC ↗
77 Fifth Third Bancorp 1.44K New $14,519 0.0% New 1 SEC ↗
78 Royal Bank Of Canada 1.26K -78.2% $12,000 0.0% ▼ Trim 2 SEC ↗ ×2
79 Us Bancorp \De\ 1.06K -1.0% $10,664 0.0% ▼ Trim 2 SEC ↗ ×2
80 Rockefeller Capital Management L.P. 1.01K -25.0% $10,130 0.0% ▼ Trim 2 SEC ↗
81 Pnc Financial Services Group, Inc. 649 +8.0% $6,535 0.0% ▲ Add 2 SEC ↗ ×3
82 Northwestern Mutual Wealth… 100 New $1,007 0.0% New 1 SEC ↗

“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.

New buyers

Two Sigma Investments $895,213 0.0%
Hrt Financial Lp $770,000 0.0%
Credit Agricole S A $553,850 0.0%
Victory Capital Management Inc $535,855 0.0%
Sei Investments Co $521,999 0.0%
Squarepoint Ops LLC $421,711 0.0%
IMC-Chicago, LLC $126,207 0.0%
Balyasny Asset Management L.P. $107,870 0.0%
Group One Trading Llc $40,592 0.0%
Fifth Third Bancorp $14,519 0.0%
Northwestern Mutual Wealth… $1,007 0.0%

Exited

Qube Research & Technologies… $5.20M was 0.0%
Wellington Management $4.06M was 0.0%
Assenagon Asset Management… $2.97M was 0.0%
Connor, Clark & Lunn… $464,123 was 0.0%
Bank Of Montreal /Can/ $453,062 was 0.0%
DZ BANK AG Deutsche Zentral… $193,447 was 0.0%
Wealth Enhancement Advisory… $181,836 was 0.0%

Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 195 holders, 44.28M shares, $436.20M reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.

Frequently co-owned

What else this security's tracked holders most often hold: shared-ownership counts, not fundamental relationships.

Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR. Reporting period: Q1 2026 · Methodology · Get this via the API