PUBM in the 13F filings
Pubmatic Inc · CUSIP 74467Q103
- Quarter end
- 30 Jun 2026
- the date the book describes
- Filed
- 2 Sep 2026
- latest of these filings; the earliest 3 Aug 2026
- Managers listing it
- 21
- at least, of 95 tracked, among listed positions
- Comparable managers
- 91
- filed both Q1 2026 and Q2 2026; 1 listed it in both
- Shares listed
- 5,483,226
- combined, among listed positions
- Reported value
- $72m
- combined, at the quarter end
AllianceBernstein LP. Values in this filing are at the previous quarter end's prices; its share count is the quarter end's.
Among the 91 comparable managers: 9 buyers (opened or added shares) and 13 sellers (trimmed or exited), at least, among listed positions. Their net change in shares was -451,319.
Managers listing PUBM in Q2 2026
21 of 21 holders
Largest increases and reductions, by shares
Increases
- Citadel Advisors LLCexisting position · 414,880 shares now+265,837
- AQR Capital Management LLCexisting position · 286,438 shares now+161,484
- Two Sigma Investments LPexisting position · 638,102 shares now+103,653
- Walleye Capital LLCnew position · 63,342 shares now+63,342
- Point72 Asset Management LPexisting position · 79,362 shares now+57,059
Reductions
- D. E. Shaw & Co.existing position · 44,320 shares now-400,794
- Renaissance Technologies LLCexisting position · 1,421,049 shares now-119,484
- Susquehanna International Group LLPexisting position · 182,447 shares now-56,537
- Brevan Howard Capital Management LPexisting position · 11,350 shares now-46,456
- Balyasny Asset Management LLCexisting position · 17,416 shares now-19,989
New positions and exits
New (2)
- Walleye Capital LLC$831k
- Caxton Associates LLP$143k
Exited (2)
- Tudor Investment Corpwas $2.9m
- Man Group PLCwas $963k
Ownership over time
Tracked managers listing it, at least.
| Quarter | Holders | Reported value | Buyers | Sellers |
|---|---|---|---|---|
| Q4 2020 | 3 | $15m | n.a. | n.a. |
| Q2 2021 | 1 | $7.6m | n.a. | n.a. |
| Q3 2021 | 2 | $7.8m | n.a. | n.a. |
| Q4 2021 | 2 | $17m | n.a. | n.a. |
| Q1 2022 | 3 | $11m | n.a. | n.a. |
| Q2 2022 | 1 | $1.4m | n.a. | n.a. |
| Q3 2023 | 1 | $522k | n.a. | n.a. |
| Q4 2023 | 1 | $546k | 0 | 1 |
| Q1 2024 | 1 | $446k | 0 | 1 |
| Q2 2024 | 1 | $5.9m | 1 | 0 |
| Q2 2025 | 1 | $7.8m | 1 | 0 |
| Q1 2026 | 1 | $13m | 13 | 13 |
| Q2 2026 | 1 | $21m | 9 | 13 |
Compare with…
Holders over time, buyers and sellers, and the managers holding both, side by side for up to four stocks.
PUBM and GOOGL →PUBM and META →PUBM and SPCX →Choose a stock to compare with PUBM →
How much of the picture this is
A 13F is a manager’s long US-listed equity book at a quarter end, filed up to 45 days later. It shows no shorts, cash, bonds or performance, and it is never today’s portfolio. Large books are listed to their largest positions, so a manager missing from this table may still hold a small position below that line. These are 95 tracked managers, not the institutional market.
Which funds own PUBM, latest filings →Back to the 13F Explorer →