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HSII

Heidrick & Struggles
HSII

Delisted

HSII was delisted on the 9th of December, 2025.

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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.

New
Increased
Maintained
Reduced
Closed

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

Holders
157
Holders Change
-4
Holders Change %
-2.48%
% of All Funds
2.49%
Holding in Top 10
1
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-50%
% of All Funds
0.02%
New
16
Increased
60
Reduced
59
Closed
19
Calls
$70K
Puts
$208K
Net Calls
-$138K
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
Millennium Management
Millennium Management
New York
+$7.75M
2
Assenagon Asset Management
Assenagon Asset Management
Luxembourg
+$3.47M
3
CI
CX Institutional
Indiana
+$3.34M
4
Wellington Management Group
Wellington Management Group
Massachusetts
+$3.07M
5
JP Morgan Chase
JP Morgan Chase
New York
+$798K

Top Sellers

Rank Fund Capital Flow
1
S2L
Sparta 24 Ltd
Israel
-$4.67M
2
BlackRock
BlackRock
New York
-$4.26M
3
Pacer Advisors
Pacer Advisors
Pennsylvania
-$3.02M
4
Acadian Asset Management
Acadian Asset Management
Massachusetts
-$1.98M
5
AQR Capital Management
AQR Capital Management
Connecticut
-$1.94M
Name Holding Trade Value Shares
Change 		Change in
Stake
BlackRock
1
BlackRock
New York
$81.1M -$4.26M -159,303 -5%
Vanguard Group
2
Vanguard Group
Pennsylvania
$38.7M -$512K -19,156 -1%
Dimensional Fund Advisors
3
Dimensional Fund Advisors
Texas
$32.6M -$561K -20,991 -2%
Renaissance Technologies
4
Renaissance Technologies
New York
$27.5M -$798K -29,837 -3%
State Street
5
State Street
Massachusetts
$18.7M -$3.18K -119 -0%
SFM
6
Systematic Financial Management
New Jersey
$13.3M -$277K -10,362 -2%
AFR
7
Applied Fundamental Research
Massachusetts
$11.9M +$678K +25,346 +6%
Geode Capital Management
8
Geode Capital Management
Massachusetts
$10.5M +$479K +17,899 +4%
Hotchkis & Wiley Capital Management
9
Hotchkis & Wiley Capital Management
California
$10.5M +$268K +10,040 +2%
ICM
10
Invenomic Capital Management
Massachusetts
$9.72M +$418K +15,648 +4%
JP Morgan Chase
11
JP Morgan Chase
New York
$9.35M +$798K +29,847 +9%
Millennium Management
12
Millennium Management
New York
$8.41M +$7.75M +289,742 +624%
LSV Asset Management
13
LSV Asset Management
Illinois
$7.65M +$317K +11,838 +4%
Assenagon Asset Management
14
Assenagon Asset Management
Luxembourg
$7.44M +$3.47M +129,644 +77%
Bank of New York Mellon
15
Bank of New York Mellon
New York
$7.38M -$214K -8,015 -3%
Charles Schwab
16
Charles Schwab
California
$6.54M +$264K +9,873 +4%
Northern Trust
17
Northern Trust
Illinois
$6.18M +$20.8K +776 +0.3%
Ameriprise
18
Ameriprise
Minnesota
$5.99M -$354K -13,241 -5%
Goldman Sachs
19
Goldman Sachs
New York
$5.35M +$414K +15,499 +8%
Morgan Stanley
20
Morgan Stanley
New York
$5.28M +$743K +27,786 +15%
American Century Companies
21
American Century Companies
Missouri
$5.2M -$385K -14,388 -6%
UBS Group
22
UBS Group
Switzerland
$5.1M -$167K -6,231 -3%
Jacobs Levy Equity Management
23
Jacobs Levy Equity Management
New Jersey
$4.58M +$47.9K +1,791 +1%
N
24
Nuveen
North Carolina
$4.54M +$507K +18,963 +12%
Federated Hermes
25
Federated Hermes
Pennsylvania
$4.48M -$30.2K -1,131 -0.6%
1
2 3 4 5

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.