SG Americas Securities
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SG Americas Securities’s Atomera ATOM Stock Holding History

SG Americas Securities’s Portfolio ATOM Stock Details ATOM Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q4 		– Sell
-33,433
Closed -$148K – 3599
2025
Q3 		$148K Buy
+33,433
New +$137K ﹤0.01% 2905
2021
Q4 		– Sell
-6,912
Closed -$160K – 3371
2021
Q3 		$160K Buy
+6,912
New +$150K ﹤0.01% 3383
2020
Q4 		– Sell
-147,483
Closed -$1.54M – 3326
2020
Q3 		$1.54M Buy
+147,483
New +$1.55M 0.01% 925

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Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
AC
Avenir Corporation Alexandria, Virginia $821M AUM 4.23% 1-Year Est. Return
HCM
Hollencrest Capital Management Newport Beach, California $1.54B AUM 30.1% 1-Year Est. Return
QPW
Quantum Private Wealth Tampa, Florida $390M AUM 58.18% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Baird Financial Group
Baird Financial Group Milwaukee, Wisconsin $72.7B AUM 26.4% 1-Year Est. Return
Northern Trust
Northern Trust Chicago, Illinois $860B AUM 41.15% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return

SG Americas Securities's ATOM Position: Q4 2025 in Review

SG Americas Securities sold out of Atomera (ATOM) in Q4 2025, closing a stake of 33,433 shares — an estimated $148K sold.

SG Americas Securities first reported a position in ATOM in Q3 2020 and held it in 3 quarters. The position peaked at $1.54M in Q3 2020. 95 funds tracked by Wall St. Rank hold ATOM as of Q4 2025.

  • SG Americas Securities reported no remaining Atomera position as of Q4 2025 after selling out during the quarter.
  • SG Americas Securities sold 33,433 Atomera shares in Q4 2025, an estimated $148K.
  • SG Americas Securities first reported a position in Atomera in Q3 2020 and held it in 3 quarters.
  • SG Americas Securities's Atomera position peaked at $1.54M in Q3 2020.
  • 95 funds tracked by Wall St. Rank held Atomera as of Q4 2025.

Based on SG Americas Securities's 13F filing for Q4 2025, filed 9 Jan 2026.