Atomera
ATOM
108 hedge funds and large institutions have $61.3M invested in Atomera in 2026 Q1 according to their latest regulatory filings, with 30 funds opening new positions, 39 increasing their positions, 18 reducing their positions, and 15 closing their positions.
168% more capital invested
Capital invested by funds: $22.9M → $61.3M (+$38.4M)
158% more call options, than puts
Call options by funds: $1.9M | Put options by funds: $735K
117% more repeat investments, than reductions
Existing positions increased: 39 | Existing positions reduced: 18
100% more first-time investments, than exits
New positions opened: 30 | Existing positions closed: 15
14% more funds holding
Funds holding: 95 → 108 (+13)
8.97% more ownership
Funds ownership: 32.62% → 41.59% (+9%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Citadel Advisors
Miami,
Florida
|
+$3.66M |
| 2 |
Baird Financial Group
Milwaukee,
Wisconsin
|
+$3.64M |
| 3 |
D.E. Shaw & Co
New York
|
+$3.46M |
| 4 |
AC
Avenir Corporation
Alexandria,
Virginia
|
+$3.19M |
| 5 |
ACM
Arosa Capital Management
Miami Beach,
Florida
|
+$1.85M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
XT
XTX Topco
George Town,
Cayman Islands
|
-$213K |
| 2 |
GCP
GSA Capital Partners
London,
United Kingdom
|
-$212K |
| 3 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
-$182K |
| 4 |
Barclays
London,
United Kingdom
|
-$157K |
| 5 |
Los Angeles Capital Management
Los Angeles,
California
|
-$115K |
ATOM Hedge Fund Activity: Q1 2026 in Review
108 of the 8,191 institutional investors tracked by Wall St. Rank reported a position in Atomera (ATOM) for Q1 2026, worth a combined $61.3M — up 168% from $22.9M a quarter earlier.
Buyers outnumbered sellers: 30 funds opened new ATOM positions and 15 closed out — a net gain of 15 holders — while 39 added to existing stakes and 18 trimmed.
The largest buyer was Citadel Advisors, adding an estimated $3.66M. The largest seller was XTX Topco, exiting entirely with an estimated $213K sold.
- 108 institutional investors held Atomera (ATOM) as of Q1 2026, up from 95 in Q4 2025.
- Funds reported $61.3M of Atomera stock for Q1 2026, up 168% quarter-over-quarter.
- 30 funds opened new Atomera positions in Q1 2026 and 15 closed out, a net change of +15 holders.
- The largest Atomera buyer in Q1 2026 was Citadel Advisors, an estimated $3.66M added.
- The largest Atomera seller in Q1 2026 was XTX Topco, an estimated $213K sold.
Based on aggregated 13F filings for Q1 2026.