13FBOX
ARCHIMEDES TECH SPAC PARTNER · 13F Institutional Holdings
Options Calculator Rankings
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ARCHIMEDES TECH SPAC PARTNER

ATII
Institutions
60
Combined AUM (Q2 2026)
$209.1M
Combined Shares (Q2 2026)
26.2M
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)
+5.4M
18 institutions added · 12 new buys
Est. buy amount
📤 Outflow (Q1 2026→Q2 2026)
-12.0M
41 institutions reduced · 12 exits
Est. sell amount
⚖️ Net Share Change
-6.6M
Net Sell
💰 Est. Net Value
≈ —
est. price
Latest AUM (Q2 2026)
$209.1M
Institutions
60
New Buys
12
Adds
6
Reduces
29
Exits
12
Unchanged
13
Ownership TrendPortfolio %Prev Q %RankQ2 2026 ValueQ2 2026 SharesPrev Q ValuePrev Q SharesShares ChangeAction
TENOR CAPITAL MANAGEMENT Co., L.P.
0.23%0.25%#11$16.4M2.1M$16.0M2.3M-132,170-5.87%Reduce
Magnetar Financial LLC
0.14%0.14%#14$14.9M1.7M$13.9M2.0M-215,098-11.03%Reduce
Fort Baker Capital Management LP
1.06%#4$14.4M1.4M$00+1.4MNew Buy
D. E. Shaw & Co., Inc.
0.01%0.01%#35$12.9M1.4M$12.0M1.4M00.00%Unchanged
Decagon Asset Management LLP
2.06%#1$10.8M1.3M$00+1.3MNew Buy
LINDEN ADVISORS LP
0.05%0.06%#20$10.2M1.4M$10.8M1.9M-508,551-27.33%Reduce
Ghisallo Capital Management LLC
0.05%0.05%#21$8.6M800,000$8.3M800,00000.00%Unchanged
TWO SIGMA INVESTMENTS, LP
0.01%0.01%#36$7.8M725,000$7.5M725,00000.00%Unchanged
Hudson Bay Capital Management LP
0.02%0.03%#28$7.6M739,994$7.3M739,99400.00%Unchanged
AQR Arbitrage LLC
0.11%0.16%#16$7.4M1.1M$9.8M1.4M-328,252-23.45%Reduce
Shay Capital LLC
0.43%#8$6.7M623,687$00+623,687New Buy
Governors Lane LP
0.54%0.51%#7$6.5M604,857$8.0M956,959-352,102-36.79%Reduce
LMR Partners LLP
0.02%0.02%#27$6.5M1.1M$9.1M1.3M-182,321-14.30%Reduce
K2 PRINCIPAL FUND, L.P.
0.67%0.1%#5$6.3M806,945$1.0M327,795+479,150+146.17%Add
Sculptor Capital LP
0.05%0.07%#22$6.3M702,819$6.3M600,646+102,173+17.01%Add
MOORE CAPITAL MANAGEMENT, LP
0.08%0.1%#19$5.3M675,000$4.8M675,00000.00%Unchanged
Radcliffe Capital Management, L.P.
0.39%0.52%#10$5.2M478,061$6.9M661,337-183,276-27.71%Reduce
Alberta Investment Management Corp
0.03%0.05%#25$5.1M775,000$8.0M1.1M-350,000-31.11%Reduce
Harraden Circle Investments, LLC
0.64%0.16%#6$5.0M1.4M$820,9551.6M-243,454-15.12%Reduce
ARISTEIA CAPITAL, L.L.C.
0.05%0.06%#23$3.9M988,491$2.7M375,000+613,491+163.60%Add
FNY Investment Advisers, LLC
1.3%#3$3.5M327,200$00+327,200New Buy
Mint Tower Capital Management B.V.
0.4%0.3%#9$3.5M430,000$3.1M450,000-20,000-4.44%Reduce
WHITEBOX ADVISORS LLC
0.04%0.03%#24$3.0M375,000$2.7M375,00000.00%Unchanged
CITADEL ADVISORS LLC
<0.01%<0.01%#51$2.7M250,266$108,44010,377+239,889+2,311.74%Add
DLD Asset Management, LP
0.15%0.15%#13$2.3M264,853$1.6M250,000+14,853+5.94%Add
GOLDMAN SACHS GROUP INC
<0.01%<0.01%#53$2.2M205,090$3.4M327,450-122,360-37.37%Reduce
L1 Global Manager Pty Ltd
1.52%1.39%#2$2.2M200,000$2.1M200,00000.00%Unchanged
Jain Global LLC
0.01%0.02%#34$2.0M185,108$5.2M500,000-314,892-62.98%Reduce
PERISCOPE CAPITAL INC.
0.17%0.42%#12$2.0M215,000$3.8M551,480-336,480-61.01%Reduce
READYSTATE ASSET MANAGEMENT LP
0.08%0.07%#18$1.6M173,734$1.6M173,73400.00%Unchanged
Verition Fund Management LLC
<0.01%0.01%#42$1.5M140,797$2.5M318,470-177,673-55.79%Reduce
MMCAP International Inc. SPC
0.13%0.12%#15$1.5M187,500$1.3M187,50000.00%Unchanged
TUDOR INVESTMENT CORP ET AL
<0.01%#43$1.3M123,842$00+123,842New Buy
Shaolin Capital Management LLC
0.09%0.2%#17$1.2M257,811$3.1M770,783-512,972-66.55%Reduce
MILLENNIUM MANAGEMENT LLC
<0.01%<0.01%#50$1.1M238,737$3.3M557,935-319,198-57.21%Reduce
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND
<0.01%<0.01%#44$1.1M500,000$255,000500,00000.00%Unchanged
CANTOR FITZGERALD, L. P.
0.01%#33$951,69188,283$00+88,283New Buy
TORONTO DOMINION BANK
<0.01%0.01%#47$889,88982,550$7.0M1.2M-1.1M-93.15%Reduce
Baird Financial Group, Inc.
<0.01%<0.01%#46$846,23078,500$819,14878,50000.00%Unchanged
BNP PARIBAS FINANCIAL MARKETS
<0.01%<0.01%#52$611,060185,717$475,498199,671-13,954-6.99%Reduce
Schonfeld Strategic Advisors LLC
<0.01%0.01%#41$604,69780,000$1.9M255,707-175,707-68.71%Reduce
JPMORGAN CHASE & CO
<0.01%<0.01%#55$587,51049,000$545,00050,000-1,000-2.00%Reduce
Clear Street Group Inc.
<0.01%<0.01%#45$570,72099,164$993,621241,071-141,907-58.87%Reduce
GLAZER CAPITAL, LLC
0.01%0.17%#31$540,07850,100$7.8M774,850-724,750-93.53%Reduce
JANE STREET GROUP, LLC
<0.01%<0.01%#54$533,38045,049$502,05446,060-1,011-2.19%Reduce
HRT FINANCIAL LP
<0.01%#48$508,70847,190$00+47,190New Buy
CSS LLC/IL
0.01%0.04%#32$332,248151,718$843,545544,762-393,044-72.15%Reduce
RIVERNORTH CAPITAL MANAGEMENT, LLC
0.02%0.23%#30$323,916224,942$4.6M652,442-427,500-65.52%Reduce
MIZUHO SECURITIES USA LLC
<0.01%<0.01%#38$202,47819,469$202,47819,46900.00%Unchanged
HIGHBRIDGE CAPITAL MANAGEMENT LLC
<0.01%<0.01%#37$189,36217,606$4,95310,109+7,497+74.16%Add

🧭 Institutional Sector Flow Heatmap

Net Outflow Net Inflow