S&CO Inc’s Energy Recovery ERII Stock Holding History

S&CO Inc’s Portfolio ERII Stock Details ERII Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$117K	Hold	13,000	–	–	0.01%	222
2026 Q1	$130K	Buy	13,000 +1,000	+8%	+$13.1K	0.01%	218
2025 Q4	$161K	Hold	12,000	–	–	0.01%	217
2025 Q3	$185K	Buy	12,000 +1,000	+9%	+$14.1K	0.01%	221
2025 Q2	$140K	Hold	11,000	–	–	0.01%	222
2025 Q1	$174K	Hold	11,000	–	–	0.01%	213
2024 Q4	$161K	Hold	11,000	–	–	0.01%	208
2024 Q3	$191K	Hold	11,000	–	–	0.01%	214
2024 Q2	$146K	Buy	+11,000	New	+$152K	0.01%	214

Other funds holding ERII

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Amundi Paris, France $416B AUM 44.19% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Legal & General Group London, United Kingdom $480B AUM 42.84% 1-Year Est. Return

Fidelity International Hamilton, Bermuda $139B AUM 29.06% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Mackenzie Financial Toronto Ontario, Ontario, Canada $100B AUM 36.93% 1-Year Est. Return

S&CO Inc's ERII Position: Q2 2026 in Review

S&CO Inc held its Energy Recovery (ERII) position steady in Q2 2026 at 13,000 shares worth $117K. The position accounts for 0.01% of the portfolio, ranked #222.

S&CO Inc first reported a position in ERII in Q2 2024 and has held it in 9 quarters since. The position peaked at $191K in Q3 2024. 200 funds tracked by Wall St. Rank hold ERII as of Q2 2026.

S&CO Inc held 13,000 shares of Energy Recovery worth $117K as of Q2 2026.
S&CO Inc left its Energy Recovery share count unchanged in Q2 2026.
Energy Recovery made up 0.01% of S&CO Inc's portfolio in Q2 2026, its #222 holding.
S&CO Inc first reported a position in Energy Recovery in Q2 2024 and has held it in 9 quarters since.
S&CO Inc's Energy Recovery position peaked at $191K in Q3 2024.
200 funds tracked by Wall St. Rank held Energy Recovery as of Q2 2026.

Based on S&CO Inc's 13F filing for Q2 2026, filed 6 Aug 2026.