Arteris
120 hedge funds and large institutions have $231M invested in Arteris in 2025 Q3 according to their latest regulatory filings, with 19 funds opening new positions, 51 increasing their positions, 33 reducing their positions, and 27 closing their positions.
620% more call options, than puts
Call options by funds: $4.29M | Put options by funds: $595K
55% more repeat investments, than reductions
Existing positions increased: 51 | Existing positions reduced: 33
33% more funds holding in top 10
Funds holding in top 10: 3 → 4 (+1)
21% more capital invested
Capital invested by funds: $191M → $231M (+$39.8M)
5.83% more ownership
Funds ownership: 47.84% → 53.67% (+5.8%)
6% less funds holding
Funds holding: 128 → 120 (-8)
30% less first-time investments, than exits
New positions opened: 19 | Existing positions closed: 27
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
WCM
Westerly Capital Management
San Francisco,
California
|
+$7.09M |
| 2 |
GIM
Granahan Investment Management
Waltham,
Massachusetts
|
+$5.2M |
| 3 |
SM
Samjo Management
New York
|
+$4.95M |
| 4 |
NIM
Needham Investment Management
New York
|
+$3.52M |
| 5 |
Goldman Sachs
New York
|
+$3.2M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Arrowstreet Capital
Boston,
Massachusetts
|
-$1.98M |
| 2 |
EAM
Eventide Asset Management
Boston,
Massachusetts
|
-$1.86M |
| 3 |
SAM
Silvercrest Asset Management
New York
|
-$1.8M |
| 4 |
Qube Research & Technologies (QRT)
London,
United Kingdom
|
-$972K |
| 5 |
AI
Acuitas Investments
Seattle,
Washington
|
-$706K |
AIP Hedge Fund Activity: Q3 2025 in Review
120 of the 7,641 institutional investors tracked by Wall St. Rank reported a position in Arteris (AIP) for Q3 2025, worth a combined $231M — up 21% from $191M a quarter earlier.
Sellers outnumbered buyers: 27 funds closed out of AIP and 19 opened new positions — a net loss of 8 holders — while 33 trimmed existing stakes and 51 added.
The largest buyer was Westerly Capital Management, adding an estimated $7.09M. The largest seller was Arrowstreet Capital, cutting an estimated $1.98M.
- 120 institutional investors held Arteris (AIP) as of Q3 2025, down from 128 in Q2 2025.
- Funds reported $231M of Arteris stock for Q3 2025, up 21% quarter-over-quarter.
- 19 funds opened new Arteris positions in Q3 2025 and 27 closed out, a net change of -8 holders.
- The largest Arteris buyer in Q3 2025 was Westerly Capital Management, an estimated $7.09M added.
- The largest Arteris seller in Q3 2025 was Arrowstreet Capital, an estimated $1.98M sold.
Based on aggregated 13F filings for Q3 2025.