Which funds own IWM
iShares Russell 2000 ETF in the Q2 2026 filings. At least 8 of the 91 current managers on file reported a position, worth $2.9bn between them. It is among the largest positions of fewer than a fifth of the current managers on file. Buying and selling roughly cancelled this quarter, which is what a name looks like when the argument is still live.
- Managers holding
- 8
- at least, of 91 current
- Combined value
- $2.9bn
- as reported
- Opened
- 2
- new this quarter
- Added to
- 3
- already held
- Trimmed or sold out
- 7
- 6 sold out entirely
Only each manager’s largest 200 positions are listed here, so a smaller holder may be missing.
Managers reporting a position
Largest first. Weight is the share of that manager’s whole reported book, which is the number worth quoting: $400m is a rounding error in one book and a defining bet in another.
| Manager | Value | Weight | Shares | Change on the quarter | Action |
|---|---|---|---|---|---|
| Susquehanna International Group LLP Quantitative · $1284bn book | $1.5bn | 0.1% | 4,974,054 | +$414m+615,294 | Added |
| Wellington Management Group LLP Long-only · $580bn book | $922m | 0.2% | 3,068,234 | +$652m+1,978,171 | Added |
| Tudor Investment Corp Macro · $71.9bn book | $344m | 0.5% | 1,144,729 | +$342m+1,135,170 | Added |
| Woodline Partners LP Long/short equity · $32.4bn book | $72m | 0.2% | 240,000 | opened240,000 | New |
| Walleye Capital LLC Multi-strategy · $28.0bn book | $31m | 0.1% | 102,873 | -$17m-89,188 | Trimmed |
| Quantbot Technologies LP Quantitative · $2.5bn book | $4.8m | 0.2% | 15,868 | opened15,868 | New |
| Discovery Capital Management LLC Macro · $2.4bn book | $700k | 0.0% | 2,469 | +$100k0 | Held |
| Harris Associates LP Value · $75.4bn book | $200k | 0.0% | 533 | unchanged0 | Held |
Sold out of this quarter
Valued at what the position was worth in the previous filing, because by this one it is gone.
- Artisan Partners LP · Long-only$303m held before
- Durable Capital Partners LP · Long/short equity$255m held before
- Caxton Associates LLP · Macro$51m held before
- Starboard Value LP · Activist$2.7m held before
- Invesco Ltd · Long-only$600k held before
- First Eagle Investment Management LLC · Value$0 held before
Ownership through time
At least 15 of the 95 managers whose filings are on file listed IWM in Q2 2026, against 5 in Q2 2013. 1 manager more than in Q1 2026: 2 started positions; 3 listed it again; 1 sold out, by its own filing; 3 no longer listed it among the positions read, which can mean a holding below the listed range, a filing that reported no holdings, or a filing not yet made.
Each manager’s largest 500 positions a quarter are read, so a small holding in a very large book can be missing, and a manager is counted as leaving only where its own filing shows it.
- Q2 2013: 5
- Q3 2013: 5
- Q4 2013: 9
- Q1 2014: 5
- Q2 2014: 6
- Q3 2014: 6
- Q4 2014: 9
- Q1 2015: 4
- Q2 2015: 3
- Q3 2015: 3
- Q4 2015: 7
- Q1 2016: 9
- Q2 2016: 5
- Q3 2016: 6
- Q4 2016: 12
- Q1 2017: 8
- Q2 2017: 7
- Q3 2017: 10
- Q4 2017: 12
- Q1 2018: 7
- Q2 2018: 7
- Q3 2018: 10
- Q4 2018: 8
- Q1 2019: 9
- Q2 2019: 9
- Q3 2019: 8
- Q4 2019: 13
- Q1 2020: 11
- Q2 2020: 13
- Q3 2020: 12
- Q4 2020: 10
- Q1 2021: 9
- Q2 2021: 10
- Q3 2021: 11
- Q4 2021: 12
- Q1 2022: 14
- Q2 2022: 11
- Q3 2022: 16
- Q4 2022: 21
- Q1 2023: 15
- Q2 2023: 17
- Q3 2023: 15
- Q4 2023: 18
- Q1 2024: 20
- Q2 2024: 17
- Q3 2024: 15
- Q4 2024: 23
- Q1 2025: 18
- Q2 2025: 22
- Q3 2025: 18
- Q4 2025: 21
- Q1 2026: 14
- Q2 2026: 15
- Q2 2013: $785m
- Q3 2013: $583m
- Q4 2013: $1.4bn
- Q1 2014: $1.3bn
- Q2 2014: $1.1bn
- Q3 2014: $2.2bn
- Q4 2014: $1.3bn
- Q1 2015: $648m
- Q2 2015: $888m
- Q3 2015: $492m
- Q4 2015: $626m
- Q1 2016: $598m
- Q2 2016: $250m
- Q3 2016: $277m
- Q4 2016: $746m
- Q1 2017: $401m
- Q2 2017: $379m
- Q3 2017: $639m
- Q4 2017: $959m
- Q1 2018: $579m
- Q2 2018: $549m
- Q3 2018: $901m
- Q4 2018: $437m
- Q1 2019: $674m
- Q2 2019: $948m
- Q3 2019: $979m
- Q4 2019: $1.6bn
- Q1 2020: $1.5bn
- Q2 2020: $2.8bn
- Q3 2020: $1.4bn
- Q4 2020: $2.7bn
- Q1 2021: $3.1bn
- Q2 2021: $3.2bn
- Q3 2021: $3.1bn
- Q4 2021: $3.1bn
- Q1 2022: $3.7bn
- Q2 2022: $3.2bn
- Q3 2022: $3.6bn
- Q4 2022: $3.4bn
- Q1 2023: $3.1bn
- Q2 2023: $2.8bn
- Q3 2023: $3.7bn
- Q4 2023: $4.5bn
- Q1 2024: $4.6bn
- Q2 2024: $2.6bn
- Q3 2024: $2.3bn
- Q4 2024: $3.6bn
- Q1 2025: $3.9bn
- Q2 2025: $4.8bn
- Q3 2025: $2.6bn
- Q4 2025: $3.6bn
- Q1 2026: $3.8bn
- Q2 2026: $4.7bn
Between the quarter ends of Q1 2026 and Q2 2026. Each change in shares is valued at the Q2 2026 price, so the price’s own move is left out; a 13F shows the two quarter ends, not when in between anything was bought or sold.
Started in Q2 2026
Largest increases, by shares
- Wellington Management Group LLP1,090,063 to 3,068,234 shares+$594m
- Susquehanna International Group LLP4,358,760 to 4,974,054 shares+$185m
- Woodline Partners LPnew: 240,000 shares+$72m
- Quantbot Technologies LPnew: 15,868 shares+$4.8m
- Moore Capital Management LPnew: 12,982 shares+$3.9m
Largest decreases, by shares
- Jane Street Group LLC2,984,479 to 2,278,718 shares-$212m
- Fidelity (FMR LLC)2,933,912 to 2,612,800 shares-$96m
- Millennium Management LLC674,125 to 486,880 shares-$56m
- Walleye Capital LLC192,061 to 102,873 shares-$27m
Left it
- Durable Capital Partners LPwas $255m
| Manager | Value over time | First listed | Largest | Q2 2026 |
|---|---|---|---|---|
| Susquehanna International Group LLP | Q2 2013 | $2.1bn | $1.5bn | |
| Wellington Management Group LLP | Q2 2013 | $922m | $922m | |
| Fidelity (FMR LLC) | Q3 2020 | $785m | $785m | |
| Jane Street Group LLC | Q1 2014 | $740m | $685m | |
| Tudor Investment Corp | Q4 2014 | $745m | $344m | |
| Millennium Management LLC | Q4 2019 | $765m | $146m | |
| AllianceBernstein LP | Q1 2016 | $718m | $136m | |
| Woodline Partners LP | Q3 2020 | $72m | $72m | |
| Neuberger Berman Group LLC | Q3 2017 | $124m | $53m | |
| Walleye Capital LLC | Q1 2023 | $48m | $31m | |
| Verition Fund Management LLC | Q4 2013 | $44m | $12m | |
| Quantbot Technologies LP | Q4 2019 | $6.2m | $4.8m | |
| Moore Capital Management LP | Q2 2013 | $162m | $3.9m | |
| Discovery Capital Management LLC | Q4 2016 | $255m | $742k | |
| Harris Associates LP | Q1 2025 | $169k | $160k | |
| Holocene Advisors LP | Q4 2024 | $1.2bn | last listed Q2 2025 | |
| Balyasny Asset Management LLC | Q2 2013 | $800m | last listed Q4 2025 | |
| Rokos Capital Management LLP | Q3 2023 | $708m | last listed Q4 2024 | |
| Durable Capital Partners LP | Q4 2019 | $560m | last listed Q1 2026 | |
| Citadel Advisors LLC | Q1 2016 | $441m | last listed Q4 2025 | |
| Starboard Value LP | Q2 2013 | $328m | last listed Q4 2025 | |
| D. E. Shaw & Co. | Q3 2019 | $275m | last listed Q1 2026 | |
| Hudson Bay Capital Management LP | Q4 2015 | $240m | last listed Q1 2026 | |
| Soros Fund Management LLC | Q1 2023 | $240m | last listed Q4 2024 | |
| Two Sigma Investments LP | Q4 2013 | $194m | last listed Q1 2026 |
Reported as options rather than shares
A put or a call on a name is not a position in it, and the filing states the notional rather than what the option cost. These lines are listed apart for that reason and are not counted in anything above.
- Jane Street Group LLC · puts$23.1bn notional
- Susquehanna International Group LLP · puts$18.6bn notional
- Millennium Management LLC · puts$10.0bn notional
- Tudor Investment Corp · puts$9.2bn notional
- Jane Street Group LLC · calls$8.4bn notional
- Citadel Advisors LLC · puts$7.8bn notional
- Susquehanna International Group LLP · calls$7.3bn notional
- Citadel Advisors LLC · calls$4.7bn notional
- Millennium Management LLC · calls$4.4bn notional
- Tudor Investment Corp · calls$2.9bn notional
- Balyasny Asset Management LLC · puts$1.4bn notional
- Hudson Bay Capital Management LP · puts$935m notional
- Davidson Kempner Capital Management LP · puts$877m notional
- Squarepoint Ops LLC · calls$820m notional
- Squarepoint Ops LLC · puts$795m notional
- Rokos Capital Management LLP · calls$547m notional
- Point72 Asset Management LP · puts$427m notional
- Glenview Capital Management LLC · puts$276m notional
- Two Sigma Investments LP · calls$220m notional
- Two Sigma Investments LP · puts$220m notional
- Point72 Asset Management LP · calls$174m notional
- Element Capital Management LLC · puts$126m notional
- Moore Capital Management LP · calls$122m notional
- Schonfeld Strategic Advisors LLC · puts$104m notional
- Elliott Investment Management LP · puts$75m notional
- ExodusPoint Capital Management LP · puts$49m notional
- Verition Fund Management LLC · puts$45m notional
- Verition Fund Management LLC · calls$44m notional
- Rokos Capital Management LLP · puts$36m notional
- Walleye Capital LLC · puts$31m notional
- Moore Capital Management LP · puts$25m notional
What is inside it
Knowing who bought a fund is half the question. The other half is what the fund holds, which is the manager’s actual exposure rather than the wrapper they reached for.
What IWM holdsHow much of the picture this is
A Form 13F reports US-listed long equity and nothing else: no shorts, no bonds, no cash and no non-US listings. It arrives forty-five days after the quarter ends, so a manager who sold in July still shows the position in a filing published in August. This page reads the managers on file here rather than every filer in the market, and each manager’s largest positions rather than the whole table, so a small position in a very large book may not appear. Say “their last filing showed” rather than “they own”, and the distinction will do you credit.
What to do with a name the funds are buying
Knowing who owns something is the start of a pitch, not the pitch. The next questions are what it is worth and why they were buying.
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The holdings, every quarter, and the week between
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