Aptorum Group
APM
APM was delisted on the 17th of July, 2026.
10 hedge funds and large institutions have $1.09M invested in Aptorum Group in 2021 Q4 according to their latest regulatory filings, with 3 funds opening new positions, 5 increasing their positions, 1 reducing their positions, and 2 closing their positions.
400% more repeat investments, than reductions
Existing positions increased: 5 | Existing positions reduced: 1
50% more first-time investments, than exits
New positions opened: 3 | Existing positions closed: 2
11% more funds holding
Funds holding: 9 → 10 (+1)
0.02% more ownership
Funds ownership: 0.04% → 0.06% (+0.02%)
19% less capital invested
Capital invested by funds: $1.35M → $1.09M (-$259K)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Renaissance Technologies
New York
|
+$144K |
| 2 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
+$109K |
| 3 |
Citadel Advisors
Miami,
Florida
|
+$86.7K |
| 4 |
Morgan Stanley
New York
|
+$43.2K |
| 5 |
VF
Virtu Financial
New York
|
+$30.4K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
UBS Group
Zurich,
Switzerland
|
-$4K |
| 2 |
SSA
Schonfeld Strategic Advisors
New York
|
-$214 |
| Name | Holding | Trade Value |
Shares Change |
Change in Stake |
|
|---|---|---|---|---|---|
1
Geode Capital Management
Boston,
Massachusetts
| $480K | +$17.6K | +82 | +3% |
|
|
2
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
| $163K | +$109K | +510 | +88% |
|
|
3
Renaissance Technologies
New York
| $123K | +$144K | +671 | +450% |
|
|
RAM
4
Redmond Asset Management
Henrico,
Virginia
| $91K | +$2.35K | +11 | +2% |
|
|
5
Morgan Stanley
New York
| $84K | +$43.2K | +202 | +57% |
|
|
SSA
6
Schonfeld Strategic Advisors
New York
| $66K | -$214 | -1 | -0.2% |
|
|
7
Citadel Advisors
Miami,
Florida
| $61K | +$86.7K | +405 | New |
|
|
VF
8
Virtu Financial
New York
| $21K | +$30.4K | +142 | New |
|
|
MA
9
MCF Advisors
Covington,
Kentucky
| $2K | – | – | – |
|
|
10
UBS Group
Zurich,
Switzerland
| – | -$4K | -15 | Closed |
|
|
TRCT
11
Tower Research Capital (TRC)
New York
| – | +$214 | +1 | New |
|
APM Hedge Fund Activity: Q4 2021 in Review
10 of the 6,498 institutional investors tracked by Wall St. Rank reported a position in Aptorum Group (APM) for Q4 2021, worth a combined $1.09M — down 19% from $1.35M a quarter earlier.
Buyers outnumbered sellers: 3 funds opened new APM positions and 2 closed out — a net gain of 1 holder — while 5 added to existing stakes and 1 trimmed.
The largest buyer was Renaissance Technologies, adding an estimated $144K. The largest seller was UBS Group, exiting entirely with an estimated $4K sold.
- 10 institutional investors held Aptorum Group (APM) as of Q4 2021, up from 9 in Q3 2021.
- Funds reported $1.09M of Aptorum Group stock for Q4 2021, down 19% quarter-over-quarter.
- 3 funds opened new Aptorum Group positions in Q4 2021 and 2 closed out, a net change of +1 holder.
- The largest Aptorum Group buyer in Q4 2021 was Renaissance Technologies, an estimated $144K added.
- The largest Aptorum Group seller in Q4 2021 was UBS Group, an estimated $4K sold.
Based on aggregated 13F filings for Q4 2021.