13FBOX
ARTIUS II · 13F Institutional Holdings
Options Calculator Rankings
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ARTIUS II

AACB
Institutions
86
Combined AUM (Q2 2026)
$822.4M
Combined Shares (Q2 2026)
99.6M
Overall Trend
Decrease
All institutions combined
Basis: holder count and combined value / shares merge all share classes of the same company (e.g. Class A / C); each institution is counted once, and value & shares are the sum across classes.
📥 Inflow (Q1 2026→Q2 2026)
+5.3M
21 institutions added · 4 new buys
Est. buy amount
📤 Outflow (Q1 2026→Q2 2026)
-5.7M
28 institutions reduced · 6 exits
Est. sell amount
⚖️ Net Share Change
-376,052
Net Sell
💰 Est. Net Value
≈ —
est. price
Latest AUM (Q2 2026)
$822.4M
Institutions
86
New Buys
4
Adds
17
Reduces
22
Exits
6
Unchanged
43
Ownership TrendPortfolio %Prev Q %RankQ2 2026 ValueQ2 2026 SharesPrev Q ValuePrev Q SharesShares ChangeAction
AQR Arbitrage LLC
0.61%0.69%#18$42.8M5.1M$41.8M5.0M+62,027+1.24%Add
Magnetar Financial LLC
0.37%0.41%#24$40.7M4.8M$40.4M4.8M00.00%Unchanged
Hudson Bay Capital Management LP
0.1%0.13%#42$38.0M4.0M$37.6M4.0M00.00%Unchanged
D. E. Shaw & Co., Inc.
0.02%0.02%#59$36.5M3.8M$36.1M3.8M00.00%Unchanged
LINDEN ADVISORS LP
0.19%0.2%#34$35.9M5.4M$35.4M5.4M00.00%Unchanged
Alberta Investment Management Corp
0.19%0.2%#33$33.8M3.5M$33.4M3.5M00.00%Unchanged
GLAZER CAPITAL, LLC
0.84%0.67%#13$33.7M3.4M$31.6M3.3M+112,720+3.43%Add
Westchester Capital Management, LLC
1.44%1.55%#9$29.4M3.2M$34.2M3.7M-539,568-14.48%Reduce
PICTON MAHONEY ASSET MANAGEMENT
0.2%0.2%#31$27.2M3.0M$26.7M3.0M+22,092+0.74%Add
TWO SIGMA INVESTMENTS, LP
0.02%0.02%#58$26.7M2.5M$26.4M2.5M00.00%Unchanged
BERKLEY W R CORP
1.26%1.16%#10$26.3M2.5M$21.7M2.2M+258,537+11.50%Add
TENOR CAPITAL MANAGEMENT Co., L.P.
0.34%0.37%#26$24.4M2.6M$24.1M2.6M00.00%Unchanged
LMR Partners LLP
0.09%0.05%#43$23.3M2.5M$23.1M2.5M00.00%Unchanged
Fort Baker Capital Management LP
1.49%0.56%#7$20.4M2.0M$7.1M683,141+1.3M+185.51%Add
Radcliffe Capital Management, L.P.
1.49%1.45%#8$19.6M2.3M$19.4M2.3M00.00%Unchanged
METEORA CAPITAL, LLC
1.58%0.48%#6$19.1M2.2M$6.5M993,249+1.2M+120.62%Add
TORONTO DOMINION BANK
0.02%0.02%#57$17.6M2.7M$17.0M2.7M-56,542-2.07%Reduce
HGC Investment Management Inc.
3.45%6.67%#3$17.5M2.3M$30.1M2.9M-600,000-20.69%Reduce
MOORE CAPITAL MANAGEMENT, LP
0.24%0.32%#28$15.9M1.7M$15.7M1.7M00.00%Unchanged
Karpus Management, Inc.
0.45%0.53%#21$15.5M1.5M$16.8M1.6M-143,400-8.86%Reduce
Shaolin Capital Management LLC
1%1.12%#12$14.0M2.2M$17.0M2.6M-385,179-14.78%Reduce
GOLDMAN SACHS GROUP INC
<0.01%<0.01%#74$13.5M1.3M$13.4M1.3M00.00%Unchanged
RIVERNORTH CAPITAL MANAGEMENT, LLC
0.64%0.66%#17$13.4M2.0M$13.2M2.0M-226-0.01%Reduce
WOLVERINE ASSET MANAGEMENT LLC
0.11%0.12%#39$13.1M1.3M$12.5M1.4M-15,580-1.15%Reduce
Verition Fund Management LLC
0.02%0.04%#60$12.7M1.3M$10.8M1.2M+108,828+9.27%Add
PERISCOPE CAPITAL INC.
1.11%1.3%#11$12.6M1.7M$11.7M1.7M+75,000+4.54%Add
MANGROVE PARTNERS IM, LLC
0.76%0.93%#14$11.6M1.3M$11.4M1.3M00.00%Unchanged
Polar Asset Management Partners Inc.
0.18%0.22%#36$11.2M1.8M$11.0M1.8M00.00%Unchanged
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND
0.01%0.02%#64$10.1M2.0M$9.9M2.0M00.00%Unchanged
Schonfeld Strategic Advisors LLC
0.03%0.07%#54$9.7M989,831$9.8M1.0M-22,760-2.25%Reduce
MILLENNIUM MANAGEMENT LLC
<0.01%<0.01%#73$9.6M1.1M$9.5M1.1M00.00%Unchanged
WHITEBOX ADVISORS LLC
0.12%0.11%#38$9.0M1.4M$8.9M1.4M00.00%Unchanged
First Trust Capital Management L.P.
0.51%0.45%#19$8.7M834,342$8.7M834,34200.00%Unchanged
HIGHBRIDGE CAPITAL MANAGEMENT LLC
0.21%0.04%#30$8.5M1.3M$1.2M443,836+826,717+186.27%Add
MIZUHO SECURITIES USA LLC
0.18%0.19%#35$8.1M784,694$8.1M784,69400.00%Unchanged
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS
0.04%0.04%#53$7.9M1.0M$7.8M1.0M00.00%Unchanged
Centiva Capital, LP
0.06%0.03%#47$7.2M786,651$3.8M361,651+425,000+117.52%Add
Rithm Capital Corp.
8.73%10.39%#1$7.1M660,000$7.0M660,00000.00%Unchanged
Clear Street Group Inc.
0.02%0.02%#63$5.9M886,348$5.9M846,962+39,386+4.65%Add
GRITSTONE ASSET MANAGEMENT LLC
5.53%6.08%#2$5.8M609,863$5.7M609,86300.00%Unchanged
SONA ASSET MANAGEMENT (US) LLC
0.11%0.11%#40$5.4M516,925$5.4M516,92500.00%Unchanged
Sculptor Capital LP
0.04%0.05%#52$5.2M500,000$5.2M500,00000.00%Unchanged
Governors Lane LP
0.44%0.17%#22$5.2M500,000$2.6M250,000+250,000+100.00%Add
HBK INVESTMENTS L P
0.05%0.05%#49$5.2M499,998$5.2M499,99800.00%Unchanged
DLD Asset Management, LP
0.34%0.49%#25$5.2M679,533$5.4M698,058-18,525-2.65%Reduce
ARISTEIA CAPITAL, L.L.C.
0.06%0.1%#46$4.9M711,900$4.8M711,90000.00%Unchanged
Quarry LP
0.39%0.58%#23$4.7M450,736$3.2M310,500+140,236+45.16%Add
RLH Capital LLC
2.27%2.22%#5$4.7M450,736$4.4M420,996+29,740+7.06%Add
L1 Global Manager Pty Ltd
3.16%2.96%#4$4.5M425,000$4.4M425,00000.00%Unchanged
Jain Global LLC
0.02%0.03%#61$4.3M404,360$6.4M619,486-215,126-34.73%Reduce

🧭 Institutional Sector Flow Heatmap

Net Outflow Net Inflow