Millennium Management
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Millennium Management’s Siebert Financial SIEB Stock Holding History

Millennium Management’s Portfolio SIEB Stock Details SIEB Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q2 		– Sell
-19,932
Closed -$60K – 6289
2025
Q1 		$60K Buy
19,932
+501
+3% +$1.38K ﹤0.01% 5517
2024
Q4 		$61.4K Buy
19,431
+2,684
+16% +$7.27K ﹤0.01% 5560
2024
Q3 		$42.4K Buy
16,747
+3,016
+22% +$5.5K ﹤0.01% 5706
2024
Q2 		$23.9K Buy
13,731
+3,555
+35% +$7.42K ﹤0.01% 5514
2024
Q1 		$21.5K Buy
+10,176
New +$18.2K ﹤0.01% 5811
2023
Q1 		– Sell
-25,148
Closed -$34K – 6812
2022
Q4 		$34K Buy
+25,148
New +$40K ﹤0.01% 5902
2022
Q2 		– Sell
-27,389
Closed -$59K – 7442
2022
Q1 		$59K Sell
27,389
-25,377
-48% -$54.3K ﹤0.01% 6346
2021
Q4 		$122K Buy
52,766
+29,931
+131% +$86.3K ﹤0.01% 6179
2021
Q3 		$76K Sell
22,835
-21,386
-48% -$84.6K ﹤0.01% 6505
2021
Q2 		$213K Sell
44,221
-70,667
-62% -$292K ﹤0.01% 5976
2021
Q1 		$465K Buy
+114,888
New +$552K ﹤0.01% 4888
2018
Q2 		– Sell
-30,190
Closed -$255K – 4136
2018
Q1 		$255K Buy
+30,190
New +$298K ﹤0.01% 3279

Other funds holding SIEB

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return
Cetera Investment Advisers
Cetera Investment Advisers Schaumburg, Illinois $94B AUM 20.14% 1-Year Est. Return
Northern Trust
Northern Trust Chicago, Illinois $757B AUM 28.64% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
SO
STRS Ohio Columbus, Ohio $25.2B AUM 30.31% 1-Year Est. Return
Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $893B AUM 36.07% 1-Year Est. Return
NA
Navellier & Associates Reno, Nevada $960M AUM 79.37% 1-Year Est. Return

Millennium Management's SIEB Position: Q2 2025 in Review

Millennium Management sold out of Siebert Financial (SIEB) in Q2 2025, closing a stake of 19,932 shares — an estimated $60K sold.

Millennium Management first reported a position in SIEB in Q1 2018 and held it in 12 quarters. The position peaked at $465K in Q1 2021. 44 funds tracked by Wall St. Rank hold SIEB as of Q2 2025.

  • Millennium Management reported no remaining Siebert Financial position as of Q2 2025 after selling out during the quarter.
  • Millennium Management sold 19,932 Siebert Financial shares in Q2 2025, an estimated $60K.
  • Millennium Management first reported a position in Siebert Financial in Q1 2018 and held it in 12 quarters.
  • Millennium Management's Siebert Financial position peaked at $465K in Q1 2021.
  • 44 funds tracked by Wall St. Rank held Siebert Financial as of Q2 2025.

Based on Millennium Management's 13F filing for Q2 2025, filed 14 Aug 2025.