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Compass Minerals
CMP

199 hedge funds and large institutions have $714M invested in Compass Minerals in 2025 Q3 according to their latest regulatory filings, with 25 funds opening new positions, 56 increasing their positions, 73 reducing their positions, and 35 closing their positions.

New
Increased
Maintained
Reduced
Closed

369% more call options, than puts

Call options by funds: $8.01M | Put options by funds: $1.71M

0.25% more ownership

Funds ownership: 89.46% → 89.71% (+0.25%)

4% less capital invested

Capital invested by funds: $741M → $714M (-$27.4M)

5% less funds holding

Funds holding: 210 → 199 (-11)

23% less repeat investments, than reductions

Existing positions increased: 56 | Existing positions reduced: 73

25% less funds holding in top 10

Funds holding in top 10: 4 → 3 (-1)

29% less first-time investments, than exits

New positions opened: 25 | Existing positions closed: 35

Holders
199
Holders Change
-11
Holders Change %
-5.24%
% of All Funds
2.61%
Holding in Top 10
3
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-25%
% of All Funds
0.04%
New
25
Increased
56
Reduced
73
Closed
35
Calls
$8.01M
Puts
$1.71M
Net Calls
+$6.3M
Net Calls Change
-$533K

Top Buyers

1
Millennium Management
Millennium Management
New York
+$8.21M
2
EMCIP
Ewing Morris & Co Investment Partners
Ontario, Canada
+$7.73M
3
Vanguard Group
Vanguard Group
Pennsylvania
+$7.05M
4
Federated Hermes
Federated Hermes
Pennsylvania
+$6.58M
5
American Century Companies
American Century Companies
Missouri
+$6.37M

Top Sellers

1
SCP
SailingStone Capital Partners
Texas
-$9.12M
2
NM
Newtyn Management
New York
-$8.22M
3
CSS
Cubist Systematic Strategies
Connecticut
-$3.61M
4
Citadel Advisors
Citadel Advisors
Florida
-$3.56M
5
TI
Trexquant Investment
Connecticut
-$3.5M
Name Holding Trade Value Shares
Change 		Change in
Stake
KI
1
Koch Inc
Kansas
$135M – – –
SCP
2
SailingStone Capital Partners
Texas
$98M -$9.12M -459,057 -8%
BlackRock
3
BlackRock
New York
$80M -$1.01M -50,803 -1%
Vanguard Group
4
Vanguard Group
Pennsylvania
$53.3M +$7.05M +354,960 +15%
State Street
5
State Street
Massachusetts
$44.3M +$5.22M +262,539 +13%
EMCIP
6
Ewing Morris & Co Investment Partners
Ontario, Canada
$29M +$7.73M +388,852 +30%
American Century Companies
7
American Century Companies
Missouri
$23.7M +$6.37M +320,796 +35%
NM
8
Newtyn Management
New York
$16.6M -$8.22M -413,808 -32%
Geode Capital Management
9
Geode Capital Management
Massachusetts
$15.5M +$35.2K +1,771 +0.2%
Dimensional Fund Advisors
10
Dimensional Fund Advisors
Texas
$14M +$1.51M +75,881 +12%
Charles Schwab
11
Charles Schwab
California
$13M +$1.96M +98,433 +17%
OKSA
12
O'Keefe Stevens Advisory
New York
$10.9M +$481K +24,199 +4%
Morgan Stanley
13
Morgan Stanley
New York
$10.3M -$1.44M -72,366 -12%
Millennium Management
14
Millennium Management
New York
$10M +$8.21M +413,205 +379%
LN
15
Lightrock Netherlands
Netherlands
$8.4M -$129K -6,500 -1%
Nomura Holdings
16
Nomura Holdings
Japan
$7.34M +$2.48M +124,874 +49%
Marshall Wace
17
Marshall Wace
United Kingdom
$7.14M +$4.04M +203,379 +121%
Ameriprise
18
Ameriprise
Minnesota
$6.69M -$337K -16,951 -5%
LDB
19
Lee, Danner & Bass
Tennessee
$6.53M – – –
Federated Hermes
20
Federated Hermes
Pennsylvania
$6.43M +$6.58M +331,127 +8,417%
Northern Trust
21
Northern Trust
Illinois
$6.03M -$28.9K -1,456 -0.5%
Pacer Advisors
22
Pacer Advisors
Pennsylvania
$5.57M +$5.77M +290,210 New
Goldman Sachs
23
Goldman Sachs
New York
$5.49M +$17.6K +887 +0.3%
TSW
24
Thompson Siegel & Walmsley
Virginia
$5.24M +$63.8K +3,213 +1%
UBS Group
25
UBS Group
Switzerland
$4.23M +$307K +15,444 +8%
1
2 3 4 5

CMP Hedge Fund Activity: Q3 2025 in Review

199 of the 7,619 institutional investors tracked by Wall St. Rank reported a position in Compass Minerals (CMP) for Q3 2025, worth a combined $714M — down 3.7% from $741M a quarter earlier.

Sellers outnumbered buyers: 35 funds closed out of CMP and 25 opened new positions — a net loss of 10 holders — while 73 trimmed existing stakes and 56 added.

The largest buyer was Millennium Management, adding an estimated $8.21M. The largest seller was SailingStone Capital Partners, cutting an estimated $9.12M.

  • 199 institutional investors held Compass Minerals (CMP) as of Q3 2025, down from 210 in Q2 2025.
  • Funds reported $714M of Compass Minerals stock for Q3 2025, down 3.7% quarter-over-quarter.
  • 25 funds opened new Compass Minerals positions in Q3 2025 and 35 closed out, a net change of -10 holders.
  • The largest Compass Minerals buyer in Q3 2025 was Millennium Management, an estimated $8.21M added.
  • The largest Compass Minerals seller in Q3 2025 was SailingStone Capital Partners, an estimated $9.12M sold.

Based on aggregated 13F filings for Q3 2025.