Aptorum Group
APM
APM was delisted on the 17th of July, 2026.
9 hedge funds and large institutions have $1.35M invested in Aptorum Group in 2021 Q3 according to their latest regulatory filings, with 1 funds opening new positions, 4 increasing their positions, 3 reducing their positions, and 4 closing their positions.
33% more repeat investments, than reductions
Existing positions increased: 4 | Existing positions reduced: 3
0.08% less ownership
Funds ownership: 0.48% → 0.4% (-0.08%)
25% less funds holding
Funds holding: 12 → 9 (-3)
25% less capital invested
Capital invested by funds: $1.8M → $1.35M (-$453K)
75% less first-time investments, than exits
New positions opened: 1 | Existing positions closed: 4
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
+$154K |
| 2 |
Morgan Stanley
New York
|
+$58.7K |
| 3 |
Geode Capital Management
Boston,
Massachusetts
|
+$29.3K |
| 4 |
SSA
Schonfeld Strategic Advisors
New York
|
+$1.06K |
| 5 |
RAM
Redmond Asset Management
Henrico,
Virginia
|
+$930 |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Jane Street
New York
|
-$171K |
| 2 |
Acadian Asset Management
Boston,
Massachusetts
|
-$93K |
| 3 |
Renaissance Technologies
New York
|
-$81.8K |
| 4 |
Citadel Advisors
Miami,
Florida
|
-$35K |
| 5 |
TRCT
Tower Research Capital (TRC)
New York
|
-$12K |
APM Hedge Fund Activity: Q3 2021 in Review
9 of the 5,728 institutional investors tracked by Wall St. Rank reported a position in Aptorum Group (APM) for Q3 2021, worth a combined $1.35M — down 25% from $1.8M a quarter earlier.
Sellers outnumbered buyers: 4 funds closed out of APM and 1 opened new positions — a net loss of 3 holders — while 3 trimmed existing stakes and 4 added.
The largest buyer was Susquehanna International Group, opening a new position worth an estimated $154K. The largest seller was Jane Street, exiting entirely with an estimated $171K sold.
- 9 institutional investors held Aptorum Group (APM) as of Q3 2021, down from 12 in Q2 2021.
- Funds reported $1.35M of Aptorum Group stock for Q3 2021, down 25% quarter-over-quarter.
- 1 fund opened new Aptorum Group positions in Q3 2021 and 4 closed out, a net change of -3 holders.
- The largest Aptorum Group buyer in Q3 2021 was Susquehanna International Group, an estimated $154K added.
- The largest Aptorum Group seller in Q3 2021 was Jane Street, an estimated $171K sold.
Based on aggregated 13F filings for Q3 2021.