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PubMatic
PUBM

147 hedge funds and large institutions have $359M invested in PubMatic in 2023 Q4 according to their latest regulatory filings, with 28 funds opening new positions, 50 increasing their positions, 38 reducing their positions, and 21 closing their positions.

New
Increased
Maintained
Reduced
Closed

63% more call options, than puts

Call options by funds: $11.2M | Put options by funds: $6.89M

43% more capital invested

Capital invested by funds: $251M → $359M (+$108M)

33% more first-time investments, than exits

New positions opened: 28 | Existing positions closed: 21

32% more repeat investments, than reductions

Existing positions increased: 50 | Existing positions reduced: 38

4.59% more ownership

Funds ownership: 48.38% → 52.97% (+4.6%)

4% more funds holding

Funds holding: 141 → 147 (+6)

0% more funds holding in top 10

Funds holding in top 10: 1 → 1 (0)

Holders
147
Holders Change
+6
Holders Change %
+4.26%
% of All Funds
2.14%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.01%
New
28
Increased
50
Reduced
38
Closed
21
Calls
$11.2M
Puts
$6.89M
Net Calls
+$4.31M
Net Calls Change
+$4.95M

Top Buyers

Rank Fund Capital Flow
1
Millennium Management
Millennium Management
New York
+$3.82M
2
Dimensional Fund Advisors
Dimensional Fund Advisors
Texas
+$3.31M
3
BlackRock
BlackRock
New York
+$3.25M
4
Morgan Stanley
Morgan Stanley
New York
+$1.9M
5
Susquehanna International Group
Susquehanna International Group
Pennsylvania
+$1.69M

Top Sellers

Rank Fund Capital Flow
1
Jane Street
Jane Street
New York
-$1.74M
2
N
Nuveen
North Carolina
-$1.41M
3
ACA
Aptus Capital Advisors
Alabama
-$1.35M
4
CF
Cantor Fitzgerald
New York
-$981K
5
Vanguard Group
Vanguard Group
Pennsylvania
-$834K
Name Holding Trade Value Shares
Change 		Change in
Stake
Mercer Global Advisors
76
Mercer Global Advisors
Colorado
$268K +$33.1K +2,282 +16%
PI
77
PEAK6 Investments
Illinois
$248K -$342K -23,593 -61%
FRM
78
Fox Run Management
Connecticut
$248K +$220K +15,195 New
SW
79
SkyOak Wealth
Michigan
$246K -$279K -19,203 -56%
JRP
80
Jasper Ridge Partners
California
$245K – – –
State Board of Administration of Florida Retirement System
81
State Board of Administration of Florida Retirement System
Florida
$241K – – –
BCM
82
Bayesian Capital Management
New York
$226K +$201K +13,836 New
Balyasny Asset Management
83
Balyasny Asset Management
Illinois
$217K +$193K +13,287 New
Wealth Enhancement Advisory Services
84
Wealth Enhancement Advisory Services
Minnesota
$203K +$181K +12,452 New
ECM
85
ExodusPoint Capital Management
New York
$195K -$64K -4,415 -27%
ASRS
86
Arizona State Retirement System
Arizona
$194K +$14.3K +984 +9%
QCM
87
QRG Capital Management
Illinois
$191K +$170K +11,701 New
Ohio Public Employees Retirement System (OPERS)
88
Ohio Public Employees Retirement System (OPERS)
Ohio
$191K – – –
MFIM
89
Mesirow Financial Investment Management
Illinois
$187K – – –
Russell Investments Group
90
Russell Investments Group
United Kingdom
$175K +$7.82K +539 +5%
CAM
91
Cresset Asset Management
Illinois
$170K -$3.54K -244 -2%
ICM
92
Intrepid Capital Management
Florida
$163K – – –
SW
93
SVB Wealth
Massachusetts
$163K +$145K +10,000 New
TRCT
94
Tower Research Capital (TRC)
New York
$155K +$84.9K +5,853 +159%
Group One Trading
95
Group One Trading
Illinois
$127K -$313K -21,601 -74%
S
96
SignatureFD
Georgia
$116K -$493 -34 -0.5%
Citigroup
97
Citigroup
New York
$98.5K +$83.2K +5,739 +1,919%
Zurich Cantonal Bank
98
Zurich Cantonal Bank
Switzerland
$95.4K – – –
TFM
99
TFC Financial Management
Massachusetts
$93.8K – – –
ASN
100
Advisory Services Network
Georgia
$70.7K +$62.8K +4,332 New
2 3
4
5 6

PUBM Hedge Fund Activity: Q4 2023 in Review

147 of the 6,860 institutional investors tracked by Wall St. Rank reported a position in PubMatic (PUBM) for Q4 2023, worth a combined $359M — up 43% from $251M a quarter earlier.

Buyers outnumbered sellers: 28 funds opened new PUBM positions and 21 closed out — a net gain of 7 holders — while 50 added to existing stakes and 38 trimmed.

The largest buyer was Millennium Management, opening a new position worth an estimated $3.82M. The largest seller was Jane Street, cutting an estimated $1.74M.

  • 147 institutional investors held PubMatic (PUBM) as of Q4 2023, up from 141 in Q3 2023.
  • Funds reported $359M of PubMatic stock for Q4 2023, up 43% quarter-over-quarter.
  • 28 funds opened new PubMatic positions in Q4 2023 and 21 closed out, a net change of +7 holders.
  • The largest PubMatic buyer in Q4 2023 was Millennium Management, an estimated $3.82M added.
  • The largest PubMatic seller in Q4 2023 was Jane Street, an estimated $1.74M sold.

Based on aggregated 13F filings for Q4 2023.