Heidrick & Struggles
HSII
HSII was delisted on the 9th of December, 2025.
157 hedge funds and large institutions have $457M invested in Heidrick & Struggles in 2023 Q3 according to their latest regulatory filings, with 16 funds opening new positions, 60 increasing their positions, 59 reducing their positions, and 19 closing their positions.
2% more repeat investments, than reductions
Existing positions increased: 60 | Existing positions reduced: 59
0.53% less ownership
Funds ownership: 91.64% → 91.11% (-0.53%)
2% less funds holding
Funds holding: 161 → 157 (-4)
6% less capital invested
Capital invested by funds: $486M → $457M (-$29.3M)
16% less first-time investments, than exits
New positions opened: 16 | Existing positions closed: 19
50% less funds holding in top 10
Funds holding in top 10: 2 → 1 (-1)
66% less call options, than puts
Call options by funds: $70K | Put options by funds: $208K
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Millennium Management
New York
|
+$7.75M |
| 2 |
Assenagon Asset Management
Senningerberg,
Luxembourg
|
+$3.47M |
| 3 |
CI
CX Institutional
Auburn,
Indiana
|
+$3.34M |
| 4 |
Wellington Management Group
Boston,
Massachusetts
|
+$3.07M |
| 5 |
JP Morgan Chase
New York
|
+$798K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
S2L
Sparta 24 Ltd
Tirat Hacarmel,
Israel
|
-$4.67M |
| 2 |
BlackRock
New York
|
-$4.26M |
| 3 |
Pacer Advisors
Malvern,
Pennsylvania
|
-$3.02M |
| 4 |
Acadian Asset Management
Boston,
Massachusetts
|
-$1.98M |
| 5 |
AQR Capital Management
Greenwich,
Connecticut
|
-$1.94M |
HSII Hedge Fund Activity: Q3 2023 in Review
157 of the 6,301 institutional investors tracked by Wall St. Rank reported a position in Heidrick & Struggles (HSII) for Q3 2023, worth a combined $457M — down 6% from $486M a quarter earlier.
Sellers outnumbered buyers: 19 funds closed out of HSII and 16 opened new positions — a net loss of 3 holders — while 59 trimmed existing stakes and 60 added.
The largest buyer was Millennium Management, adding an estimated $7.75M. The largest seller was Sparta 24 Ltd, exiting entirely with an estimated $4.67M sold.
- 157 institutional investors held Heidrick & Struggles (HSII) as of Q3 2023, down from 161 in Q2 2023.
- Funds reported $457M of Heidrick & Struggles stock for Q3 2023, down 6% quarter-over-quarter.
- 16 funds opened new Heidrick & Struggles positions in Q3 2023 and 19 closed out, a net change of -3 holders.
- The largest Heidrick & Struggles buyer in Q3 2023 was Millennium Management, an estimated $7.75M added.
- The largest Heidrick & Struggles seller in Q3 2023 was Sparta 24 Ltd, an estimated $4.67M sold.
Based on aggregated 13F filings for Q3 2023.