Whale Tracker

NEUTRAL — WATCH

No clear whale direction for NBIS. Bullish and bearish signals roughly cancel out. Short interest at 19.6% of float — moderate bearish positioning.

Action Plan

Hold existing positions — no strong directional signal
Wait for clearer whale activity before adding
Watch short interest trend (currently 20%) — covering = bullish catalyst
Monitor next earnings for institutional positioning changes

📈 Options Flow 期权异动

Unusual options volume vs open interest. High volume/OI ratio signals whale positioning. Put/Call ratio indicates directional bias.

PUT / CALL RATIO

0 (Bullish)1.02.0+ (Bearish)

0.5

BULLISH

CALL VOLUME

27,536

PUT VOLUME

13,710

TOTAL VOLUME

41,246

UNUSUAL STRIKES

Unusual Strikes — Vol/OI > 3x (1C / 0P)

TypeStrikeExpiryVolOIRatio

CALL$832026-04-024764011.9x

High Volume Contracts — Vol > 500 (10 contracts)

TypeStrikeExpiryVolume

CALL$1202026-03-272,596

CALL$1142026-03-272,558

CALL$1252026-04-101,640

PUT$902026-04-171,374

CALL$1302026-03-271,302

CALL$1302026-04-171,224

PUT$1102026-03-271,184

CALL$1222026-03-271,172

PUT$1052026-04-171,165

CALL$1152026-03-271,092

P/C OI RATIO

1.01

TOTAL OI

220,346

CALL OI

109,620

PUT OI

110,726

Put/Call volume ratio: 0.5 (bullish)
Total options volume: 41,246 (calls 27,536 / puts 13,710)
Top unusual: CALL $83.0 exp 2026-04-02 — vol/OI 11.9x

👤 Insider Trading 内部交易

SEC Form 4 filings — officer and director buys/sells in the last 90 days. Net buying is a strong bullish signal.

SHARES BOUGHT (6m)

SHARES SOLD (6m)

NET INSIDER FLOW

FORM 4 FILINGS (90d)

0 Form 4 filings in last 90 days

🏦 Smart Money Flow 机构资金流向

Quarter-over-quarter position changes from 13F filings. Shows whether institutional investors are accumulating (buying more) or distributing (selling) — the strongest signal of whale conviction.

INSTITUTIONAL OWNERSHIP

48.5%

ACCUMULATION vs DISTRIBUTION

70% ACCUMULATING

30% DISTRIBUTING

NET SHARES FLOW

+8,099,764

FLOW SCORE

+0.40

ADDING

SELLING

Institutional Position Changes (QoQ)

ActionInstitution% HeldQoQ ΔShares Δ

★ NEW POSITIONBlackrock Inc.4.32%NEW+9,407,533

★ NEW POSITIONState Street Corporation1.48%NEW+3,090,102

★ NEW POSITIONJanus Henderson Group PLC1.29%NEW+1,420,339

▲▲ HEAVY BUYUBS Group AG2.10%+68.8%+1,867,786

▲▲ HEAVY BUYClear Street Group Inc.1.61%+95.0%+1,710,899

▲▲ HEAVY BUYValue Aligned Research Advisors, LLC1.52%+64.5%+1,296,307

▲▲ HEAVY BUYMorgan Stanley1.70%+35.2%+964,931

▬ HOLDAccel Leaders 4 Associates L.P.2.10%0.0%0

▼▼ HEAVY SELLFred Alger Management, LLC3.64%-21.7%-2,194,727

▼▼ HEAVY SELLOrbis Allan Gray Ltd1.53%-73.9%-9,463,406

ETF & Mutual Fund Flow (6 adding / 0 selling)

ActionFundQoQ ΔShares Δ

★ NEW POSIEuroPacific Growth Fund-EUPAC FundNEW+966,991

▲ ADDINGALGER FUNDS II-Alger Spectra Fund+10.6%+149,826

▬ HOLDALGER INSTITUTIONAL FUNDS-Alger Focus Equity +4.1%+60,875

▲▲ HEAVY BUJANUS INVESTMENT FUND-Janus Henderson Contrar+45.4%+483,801

▬ HOLDiShares Trust-iShares Core MSCI EAFE ETF0.0%0

▲▲ HEAVY BUALGER Inst. Fd.S-Alger Capital Appreciation I+32.2%+266,033

▲ ADDINGALGER FUNDS-Alger Capital Appreciation Fund+19.3%+142,999

★ NEW POSIJANUS INVESTMENT Fd.-Janus Henderson Global TNEW+437,704

▬ HOLDFidelity Salem Street Trust-Fidelity Series G0.0%0

▬ HOLDFidelity Concord Street Trust-Fidelity Intern+0.7%+5,164

Institutional ownership: 48.5%
Smart money flow: 7 adding / 2 selling / 1 hold
Net shares added by institutions: +8,099,764
Biggest mover: Orbis Allan Gray Ltd sold 9,463,406 shares (-73.9%)

🕶 Short Interest & Dark Pool 做空 & 暗池

Short interest as % of float and days-to-cover. Rising SI = bearish pressure. High SI + decreasing = shorts covering (bullish). Squeeze risk rated by SI level.

SHORT INTEREST (% OF FLOAT)

0%10%20%30%+

SHORT % FLOAT

19.6%

DAYS TO COVER

3.2

SI CHANGE (MoM)

↑ 8.4%

SQUEEZE RISK

MODERATE

SHARES SHORT

42,993,543

PRIOR MONTH

39,673,002

FLOAT SHARES

210,854,223

AVG VOLUME

14,543,736

Elevated short interest — bears have a notable position. Watch for SI trend direction as the key signal.

Short interest: 19.6% of float
Days to cover: 3.2
Short interest MoM: ↑ 8.4%
Squeeze risk: MODERATE